Toyota 4Runner: Acceleration Sensor Circuit Malfunction (C1887/87)
DESCRIPTION
The stabilizer control ECU receives forward, backward and lateral acceleration information from the yaw rate and acceleration sensor via CAN communication.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
C1887/87 |
The stabilizer control ECU receives an error signal from the yaw rate sensor for 1 second. |
|
CAUTION / NOTICE / HINT
HINT:
If DTC U0124/71 and C1887/87 are output at the same time, perform the inspection
necessary for the CAN communication system first (See page
.gif)
).
PROCEDURE
|
1. |
CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for yaw rate and acceleration sensor malfunction DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B | .gif) |
GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) |
|
.gif)
|
2. |
CHECK DTC |
(a) Clear the DTCs (See page ).
(b) Perform a road test.
(c) Check for DTCs (See page ).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| A | |
USE SIMULATION METHOD TO CHECK |
| B | |
REPLACE STABILIZER CONTROL ECU |
Steering Angle Sensor Circuit Malfunction (C1884/84)
DESCRIPTION
The stabilizer control ECU receives steering angle information from the steering
angle sensor via CAN communication.
DTC Code
DTC Detection Condition
T ...
Zero Point Calibration of Acceleration Sensor Undone (C1879/79)
DESCRIPTION
The stabilizer control ECU receives the yaw rate and acceleration sensor zero
point information from the skid control ECU via CAN communication.
DTC Code
DTC Dete ...
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On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
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(a) Measure the re ...
0.0229