Toyota 4Runner: Diagnosis System
DIAGNOSIS SYSTEM
1. BUS CHECK
(a) Select "CAN Bus Check" from "System Select".
2. CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION
(a) The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed on the vehicle.
|
ECU/Sensor Name |
Techstream Display |
Applicability |
|---|---|---|
|
Combination meter assembly |
Combination Meter |
Installed on all vehicles |
|
Skid control ECU (brake actuator assembly) |
Skid Control (ABS/VSC/TRAC) |
for 2WD |
|
Skid control ECU (master cylinder solenoid) |
Skid Control (ABS/VSC/TRAC) |
for 4WD |
|
Main body ECU (multiplex network body ECU) |
Main Body |
Installed on all vehicles |
|
Stabilizer control ECU |
KDSS |
w/ Kinetic Dynamic Suspension System |
|
Airbag sensor assembly |
Airbag |
Installed on all vehicles |
|
Steering angle sensor (spiral cable sub-assembly) |
Spiral cable (Steering Angle Sensor) |
Installed on all vehicles |
|
Navigation receiver assembly |
Display and Navigation (AVN1) |
for Navigation Receiver Type |
|
Radio and display receiver assembly |
Display and Navigation (AVN1) |
for Radio and Display Receiver Type |
|
Certification ECU (smart key ECU assembly) |
Certification (Smart) |
w/ Smart Key System |
|
Power management control ECU |
|
w/ Smart Key System |
|
Yaw rate sensor assembly |
Yaw Rate Sensor |
Installed on all vehicles |
|
Power steering ECU assembly |
PPS |
Installed on all vehicles |
|
Four wheel drive control ECU |
Four Wheel Drive Control |
for 4WD |
|
ECM |
ECM (Engine) |
Installed on all vehicles |
|
Air conditioning amplifier assembly |
Air Conditioning Amplifier |
Installed on all vehicles |
|
Drive monitor switch |
D-Seat SW |
w/ CRAWL Control |
|
Front power seat switch LH |
D-Seat |
w/ Seat Position Memory |
3. CAN BUS CHECK
HINT:
The ECUs and sensors that are properly connected to the CAN communication system can be displayed using the Techstream.
(a) Using the Techstream, select "CAN Bus Check" from the screen on the Techstream.
4. DTC TABLE BY ECU
HINT:
- In the CAN communication system, CAN communication system DTCs can be output from the ECU by using the Techstream.
- If CAN communication system DTCs are output, the trouble cannot be determined
only by the DTCs. Perform troubleshooting according to How to Proceed with
Troubleshooting (See page
.gif)
).
(a) COMBINATION METER ASSEMBLY
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM / PCM "A" |
|
U0129 |
Lost Communication with Brake System Control Module |
|
U0131 |
Lost Communication with Power Steering Control Module |
|
U0151 |
Lost Communication with Restraints Control Module |
(b) SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0073 |
Control Module Communication Bus OFF |
|
U0100 |
Lost Communication with ECM / PCM |
|
U0123 |
Lost Communication with Yaw Rate Sensor Module |
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
(c) SKID CONTROL ECU (MASTER CYLINDER SOLENOID)
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0073 |
Control Module Communication Bus OFF |
|
U0100 |
Lost Communication with ECM / PCM |
|
U0114 |
Lost Communication with 4WD Control ECU |
|
U0123 |
Lost Communication with Yaw Rate Sensor Module |
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
(d) MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication With ECM/PCM "A" |
|
U0101 |
Lost Communication with TCM |
|
U0151 |
Lost Communication with Restraints Control Module |
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
|
U0164 |
Lost Communication with HVAC Control Module |
|
U0208 |
Lost Communication with "Seat Control Module A" |
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
|
U1002 |
Lost Communication with Gateway Module |
|
U1133 |
Lost Communication with PMN Module |
|
U1114 |
Lost Communication with Main Switch Module |
(e) STABILIZER CONTROL ECU
- For vehicles with a kinetic dynamic suspension control system.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM/ PCM "A" |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
(f) AIRBAG SENSOR ASSEMBLY
HINT:
The airbag sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.
(g) STEERING ANGLE SENSOR (SPIRAL CABLE SUB-ASSEMBLY)
HINT:
The steering angle sensor (spiral cable sub-assembly) is connected to the CAN communication system, but CAN communication DTCs are not output.
(h) NAVIGATION RECEIVER ASSEMBLY
- For vehicles with a navigation receiver assembly.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0073 |
Sending Malfunction (Navigation to APGS) |
|
U0140 |
Lost Communication with Body Control Module |
(i) RADIO AND DISPLAY RECEIVER ASSEMBLY
- For vehicles with a radio and display receiver assembly.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0073 |
Sending Malfunction (Navigation to APGS) |
|
U0140 |
Lost Communication with Body Control Module |
(j) CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
- For vehicles with a smart key system.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM / PCM "A" |
|
U0142 |
Lost Communication with Body Control Module "B" |
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
(k) POWER MANAGEMENT CONTROL ECU (Power Management)
- For vehicles with a smart key system.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM/PCM "A" |
|
U0129 |
Lost Communication with Brake System Control Module |
(l) POWER MANAGEMENT CONTROL ECU (Power Management1)
- For vehicles with a smart key system.
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM/PCM "A" |
|
U0164 |
Lost Communication with HVAC Control Module |
|
U1002 |
Lost Communication with Gateway Module |
(m) YAW RATE SENSOR ASSEMBLY
HINT:
The yaw rate and sensor assembly is connected to the CAN communication system, but CAN communication DTCs are not output.
(n) POWER STEERING ECU ASSEMBLY
HINT:
DTC communication uses the CAN communication system.
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication with ECM/PCM "A" |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
U0129 |
Lost Communication with Brake System Control Module |
(o) FOUR WHEEL DRIVE CONTROL ECU
- For vehicles with four wheel drive.
HINT:
The four wheel drive control ECU is connected to the CAN communication system, but CAN communication DTCs are not output.
(p) ECM
HINT:
The ECM is connected to the CAN communication system, but CAN communication DTCs are not output.
(q) AIR CONDITIONING AMPLIFIER ASSEMBLY
HINT:
- DTC communication uses the CAN communication system.
- DTCs can be checked using the air conditioning control panel (DTC 99 is output).
|
DTC Code |
Detection Item |
|---|---|
|
U0100 |
Lost Communication With ECM/PCM "A" |
|
U0142 |
Lost Communication With Body Control Module "B" |
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
|
U0163 |
Lost Communication With Navigation Control Module |
(r) DRIVE MONITOR SWITCH
- For vehicles with CRAWL control.
HINT:
The drive monitor switch is connected to the CAN communication system, but CAN communication DTCs are not output.
(s) FRONT POWER SEAT SWITCH LH
- For vehicles with seat position memory.
HINT:
The front power seat switch LH is connected to the CAN communication system, but CAN communication DTCs are not output.
5. DTC COMBINATION TABLE
HINT:
- ○: Stored.
- X: When one side of the branch wire is open, storage may occur.
- -: Not stored.
- *1: Only stored when communication recovery occurs. During a communication stop, it cannot be stored.
- *2: w/o Smart key System
- *3: w/ Smart key System
- *4: Only output while the malfunction is present and the ignition switch is ON.
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
|||
|---|---|---|---|---|---|---|
|
V1 Bus |
||||||
|
Brake Actuator (Skid Control ECU) Communication Stop Mode |
Skid Control ECU Communication Stop Mode |
Air Conditioning Amplifier Communication Stop Mode*2 |
Power Steering ECU Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
○ |
○ |
X |
X |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
X |
X |
X |
○ |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
X |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
○*1 |
- |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
○*1 |
- |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
○*1 |
- |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
○*1 |
- |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
○*1 |
- |
X |
X |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
- |
○*1 |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
- |
○*1 |
X |
X |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
- |
○*1 |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
- |
○*1 |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
○*1 |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
- |
○*1 |
X |
X |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
X |
X |
|
U0101 |
Lost Communication with TCM |
X |
X |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
X |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
U0164 |
Lost Communication with HVAC Control Module |
X |
X |
○ |
X |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
- |
- |
- |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
X |
X |
X |
X |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
U1133 |
Lost Communication with PMN Module |
X |
X |
X |
X |
|
|
U1114 |
Lost Communication with Main Switch Module |
- |
- |
- |
- |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
○ |
○ |
X |
X |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
X |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
X |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0142 |
Lost Communication with Body Control Module "B" |
X |
X |
X |
X |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
○ |
○ |
X |
X |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
○*1 |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
○*1 |
|
|
U0129 |
Lost Communication with Brake System Control Module |
○ |
○ |
X |
○*1 |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
○*1 *2 |
X |
|
U0142 |
Lost Communication With Body Control Module "B" |
X |
X |
○*1 *2 |
X |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
X |
X |
○*1 *2 |
X |
|
|
U0163 |
Lost Communication With Navigation Control Module |
X |
X |
○*1 *2 |
X |
|
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
|||
|---|---|---|---|---|---|---|
|
V1 Bus |
||||||
|
Steering Angle Sensor Communication Stop Mode |
Yaw Rate Sensor Communication Stop Mode |
ECM Communication Stop Mode |
Main Body ECU Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
X |
X |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
X |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
○ |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
○ |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
○ |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
○ |
X |
X |
X |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
○ |
X |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
X |
X |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
○ |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
○ |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
○ |
X |
X |
X |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
○ |
○*1 |
|
U0101 |
Lost Communication with TCM |
X |
X |
○ |
○*1 |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
○*1 |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
○*1 |
|
|
U0164 |
Lost Communication with HVAC Control Module |
X |
X |
X |
○*1 |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
- |
- |
- |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
X |
X |
X |
○*1 |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
U1133 |
Lost Communication with PMN Module |
X |
X |
X |
○*1 |
|
|
U1114 |
Lost Communication with Main Switch Module |
- |
- |
- |
- |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
X |
X |
X |
X |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
○ |
X |
X |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
○ |
X |
X |
X |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
○ |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
○ |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0142 |
Lost Communication with Body Control Module "B" |
X |
X |
X |
○ |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○ |
X |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
○ |
X |
X |
X |
|
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
○ |
X |
|
U0142 |
Lost Communication With Body Control Module "B" |
X |
X |
X |
○ |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
U0163 |
Lost Communication With Navigation Control Module |
X |
X |
X |
X |
|
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
|||
|---|---|---|---|---|---|---|
|
V1 Bus |
||||||
|
Power Management Control Communication Stop Mode |
Combination Meter ECU Communication Stop Mode |
Certification ECU Communication Stop Mode |
Center Airbag Sensor Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
○*1 |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
X |
○*1 |
X |
X |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
X |
○*1 |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
○*1 |
X |
○ |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
X |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
X |
X |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
X |
X |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
X |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
X |
X |
|
U0101 |
Lost Communication with TCM |
X |
X |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
○ |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
○ |
X |
X |
|
|
U0164 |
Lost Communication with HVAC Control Module |
X |
X |
X |
X |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
- |
- |
- |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
X |
X |
○ |
X |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
U1133 |
Lost Communication with PMN Module |
○ |
X |
X |
X |
|
|
U1114 |
Lost Communication with Main Switch Module |
- |
- |
- |
- |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
X |
X |
X |
X |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
X |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
X |
X |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
X |
X |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
○*1 |
X |
|
U0142 |
Lost Communication with Body Control Module "B" |
X |
X |
○*1 |
X |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
○ |
○*1 |
X |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
○ |
X |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
○*1 |
X |
X |
X |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
○ |
X |
X |
X |
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
○*3 |
X |
X |
X |
|
U0142 |
Lost Communication With Body Control Module "B" |
○*3 |
X |
X |
X |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
○*3 |
○ |
X |
X |
|
|
U0163 |
Lost Communication With Navigation Control Module |
○*3 |
X |
X |
X |
|
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
|||
|---|---|---|---|---|---|---|
|
V1 Bus |
||||||
|
Suspension Control Communication Stop Mode |
4WD Control ECU Communication Stop Mode |
Navigation Receiver Assembly Communication Stop Mode |
Audio Receiver Assembly Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
X |
X |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
X |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
X |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
X |
X |
X |
X |
|
U0100*4 |
Lost Communication with ECM/PCM |
X |
X |
X |
X |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
X |
○ |
X |
X |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
X |
X |
X |
X |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
X |
X |
X |
X |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
X |
X |
|
U0101 |
Lost Communication with TCM |
X |
X |
X |
X |
|
|
U0151 |
Lost Communication with Restraints Control Module |
X |
X |
X |
X |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
U0164 |
Lost Communication with HVAC Control Module |
X |
X |
X |
X |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
- |
- |
- |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
X |
X |
X |
X |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
U1133 |
Lost Communication with PMN Module |
X |
X |
X |
X |
|
|
U1114 |
Lost Communication with Main Switch Module |
- |
- |
- |
- |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
○*1 |
X |
X |
X |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
○*1 |
X |
X |
X |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
○*1 |
X |
X |
X |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
○*1 |
X |
X |
X |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
○*1 |
- |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
○*1 |
- |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
X |
X |
- |
○*1 |
|
U0140 |
Lost Communication with Body Control Module |
X |
X |
- |
○*1 |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0142 |
Lost Communication with Body Control Module "B" |
X |
X |
X |
X |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
- |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
X |
X |
X |
X |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
X |
X |
X |
X |
|
|
U0129 |
Lost Communication with Brake System Control Module |
X |
X |
X |
X |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
X |
X |
X |
X |
|
U0142 |
Lost Communication With Body Control Module "B" |
X |
X |
X |
X |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
X |
X |
X |
X |
|
|
U0163 |
Lost Communication With Navigation Control Module |
X |
X |
○ |
○ |
|
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
||
|---|---|---|---|---|---|
|
Power Management Bus |
|||||
|
ECM Communication Stop Mode |
Air Conditioning Amplifier Communication Stop Mode*3 |
Power Management ECU Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
- |
- |
- |
|
|
U0151 |
Lost Communication with Restraints Control Module |
- |
- |
- |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
- |
- |
- |
|
U0100*4 |
Lost Communication with ECM/PCM |
- |
- |
- |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
- |
- |
- |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
- |
- |
- |
|
U0100*4 |
Lost Communication with ECM/PCM |
- |
- |
- |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
- |
- |
- |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
- |
- |
- |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
- |
- |
- |
|
U0101 |
Lost Communication with TCM |
- |
- |
- |
|
|
U0151 |
Lost Communication with Restraints Control Module |
- |
- |
- |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
- |
- |
- |
|
|
U0164 |
Lost Communication with HVAC Control Module |
X |
○*3 |
○*3 |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
- |
- |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
|
|
U1133 |
Lost Communication with PMN Module |
- |
- |
- |
|
|
U1114 |
Lost Communication with Main Switch Module |
- |
- |
- |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
- |
- |
- |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
- |
- |
- |
|
U0140 |
Lost Communication with Body Control Module |
- |
- |
- |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
- |
- |
- |
|
U0140 |
Lost Communication with Body Control Module |
- |
- |
- |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0142 |
Lost Communication with Body Control Module "B" |
- |
- |
- |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
- |
- |
- |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
○ |
X |
○ |
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
○ |
X |
○ |
|
U0164 |
Lost Communication with HVAC Control Module |
X |
○ |
○ |
|
|
U1002 |
Lost Communication with Gateway Module |
○ |
○ |
○ |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
○*3 |
○*1 *3 |
○*3 |
|
U0142 |
Lost Communication With Body Control Module "B" |
X |
○*1 *3 |
○*3 |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
X |
○*1 *3 |
○*3 |
|
|
U0163 |
Lost Communication With Navigation Control Module |
X |
○*1 *3 |
○*3 |
|
|
Output from |
Output DTC |
Detection Item |
Detected Communication Stop Mode |
||
|---|---|---|---|---|---|
|
MS Bus |
|||||
|
Main Switch Module Communication Stop Mode |
Front Power Seat ECU and Switch LH Communication Stop Mode |
Main Body ECU Communication Stop Mode |
|||
|
Combination meter assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
U0131 |
Lost Communication with Power Steering Control Module |
- |
- |
- |
|
|
U0151 |
Lost Communication with Restraints Control Module |
- |
- |
- |
|
|
Skid control ECU (brake actuator assembly) |
U0073*4 |
Control Module Communication Bus Off |
- |
- |
- |
|
U0100*4 |
Lost Communication with ECM/PCM |
- |
- |
- |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
- |
- |
- |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Skid control ECU (master cylinder solenoid) |
U0073*4 |
Control Module Communication Bus Off |
- |
- |
- |
|
U0100*4 |
Lost Communication with ECM/PCM |
- |
- |
- |
|
|
U0114*4 |
Lost Communication with 4WD Control ECU |
- |
- |
- |
|
|
U0123*4 |
Lost Communication with Yaw Rate Sensor Module |
- |
- |
- |
|
|
U0124*4 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126*4 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Main body ECU (multiplex network body ECU) |
U0100 |
Lost Communication With ECM/PCM "A" |
- |
- |
- |
|
U0101 |
Lost Communication with TCM |
- |
- |
- |
|
|
U0151 |
Lost Communication with Restraints Control Module |
- |
- |
- |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
- |
- |
- |
|
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
|
|
U0208 |
Lost Communication with "Seat Control Module A" |
- |
○ |
○*1 |
|
|
U0327 |
Software Incompatibility with Vehicle Security Control Module |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
○ |
○ |
○*1 |
|
|
U1133 |
Lost Communication with PMN Module |
- |
- |
- |
|
|
U1114 |
Lost Communication with Main Switch Module |
○ |
- |
○*1 |
|
|
Stabilizer control ECU |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
- |
- |
- |
|
|
U0124 |
Lost Communication with Lateral Acceleration Sensor Module |
- |
- |
- |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
Navigation receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
- |
- |
- |
|
U0140 |
Lost Communication with Body Control Module |
- |
- |
- |
|
|
Radio and display receiver assembly |
U0073 |
Sending Malfunction (Navigation to APGS) |
- |
- |
- |
|
U0140 |
Lost Communication with Body Control Module |
- |
- |
- |
|
|
Certification ECU (smart key ECU assembly) |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0142 |
Lost Communication with Body Control Module "B" |
- |
- |
- |
|
|
U0155 |
Lost Communication with Instrument Panel Cluster (IPC) Control Module |
- |
- |
- |
|
|
Power management control ECU (Power Management)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
Power management control ECU (Power Management1)*3 |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0164 |
Lost Communication with HVAC Control Module |
- |
- |
- |
|
|
U1002 |
Lost Communication with Gateway Module |
- |
- |
- |
|
|
Power steering ECU assembly |
U0100 |
Lost Communication with ECM/PCM "A" |
- |
- |
- |
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
- |
- |
- |
|
|
U0129 |
Lost Communication with Brake System Control Module |
- |
- |
- |
|
|
Air conditioning amplifier assembly |
U0100 |
Lost Communication With ECM/PCM "A" |
- |
- |
- |
|
U0142 |
Lost Communication With Body Control Module "B" |
- |
- |
- |
|
|
U0155 |
Lost Communication With Instrument Panel Cluster (IPC) Control Module |
- |
- |
- |
|
|
U0163 |
Lost Communication With Navigation Control Module |
- |
- |
- |
|
Terminals Of Ecu
TERMINALS OF ECU
HINT:
Operating the ignition switch, any switches or any doors triggers related ECU
and sensor communication with the CAN, which causes resistance variation.
1. DISCONNECT CABLE ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
(a) When communication fails in any of the main wires (communication lines) due
to a short circuit or other causes, the fail-safe function, which is specified ...
Other materials about Toyota 4Runner:
Air Outlet Damper Control Servo Motor Circuit (B1443)
DESCRIPTION
The damper servo sub-assembly (mode damper servo) sends pulse signals to inform
the No. 1 air conditioning amplifier assembly of the damper position. The No. 1
air conditioning amplifier assembly activates the motor (normal or reverse) based
...
Operating Light Control Rheostat does not Change Light Brightness
DESCRIPTION
When the light control rheostat dial is turned upward, the combination meter
and vehicle interior illumination will become brighter. When the light control rheostat
dial is turned downward, the combination meter and vehicle illumination will d ...
0.0109