Toyota 4Runner: Zero Point Calibration of Acceleration Sensor Undone (C1879/79)

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / 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 Detection Condition	Trouble Area
C1879/79	A signal indicating that the yaw rate and acceleration sensor zero point calibration has not been performed is continuously received from the skid control ECU for 5 seconds.	Brake control system (Yaw rate and acceleration sensor zero point calibration) Stabilizer control ECU

CAUTION / NOTICE / HINT

HINT:

When this DTC is output, obtain the calibration value of the yaw rate and acceleration sensor zero point first.

PROCEDURE

1.	PERFORM ZERO POINT CALIBRATION

(a) Perform brake control system calibration (See page ).

2.	RECONFIRM DTC

(a) Clear the DTCs (See page ).

(b) Check for DTCs (See page ).

Result

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

REPLACE STABILIZER CONTROL ECU

END

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 ...

Stabilizer Control Ecu

Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the n ...

Other materials about Toyota 4Runner:

Meter Illumination is Always Dark
DESCRIPTION This inspection is only for vehicles with automatic light control. The meter CPU receives signals from this circuit to adjust the illumination of the meter, instrument panel and accessory meter assembly. The meter CPU sets the illumination le ...

Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION If the driver side door entry unlock function does not operate but the entry lock function operates, the communication line between the vehicle and electrical key transmitter is normal. The part at fault may be an unlock sensor circuit (front ...