CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the voltage of the battery.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
5. |
CHECK PANEL DIAGNOSIS |
(a) Check panel diagnosis (See page ).
(1) Indicator Check
(2) Sensor Check
|
6. |
CHECK FOR DTC* |
(a) Check for DTCs and note any codes that are output (See page ).
(b) Clear the DTCs (See page ).
(c) Based on the DTCs output above, try to force output of the air conditioning system DTC by simulating the conditions indicated by the DTC. Then recheck for DTCs.
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
7. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page
).
Result |
Proceed to |
---|---|
Fault is not listed in problem symptoms table |
A |
Fault is listed in problem symptoms table |
B |
B |
GO TO STEP 9 |
|
8. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU (See page
).
(b) Data List / Active Test (See page ).
(c) On-vehicle Inspection
(d) Inspection
|
9. |
ADJUST, REPAIR OR REPLACE |
|
10. |
CONFIRMATION TEST |
NEXT |
END |
Rear Clearance Sonar Sensor RH Circuit
DESCRIPTION
The ultrasonic sensor sends and receives ultrasonic waves. Based on the received
wave, the sensor calculates the approximate distance between the vehicle and the
obstacle, and sends the distance value as a signal to the clearance warning ECU
...
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is stored when a malfunction is detected in the occupant classification
ECU.
DTC Code
DTC Detection Condition
Trouble Area
B1794
One of the following conditions is met:
...