Toyota 4Runner: Acceleration Sensor Circuit Malfunction (C1887/87)

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / 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.	Yaw rate and acceleration sensor CAN communication system Stabilizer control ECU

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 ).

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

GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)

CHECK DTC

(a) Clear the DTCs (See page ).

(b) Perform a road test.

Result

Result	Proceed to
DTC is not output	A
DTC is output	B

USE SIMULATION METHOD TO CHECK

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 ...

Other materials about Toyota 4Runner:

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...

Open Circuit in Transfer 4WD Position Switch Circuit (C1258,C1340)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area C1258*1 C1340*2 An open circuit is detected in the EXI circuit of the skid control ECU. Harness or connector ...