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:

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: ...

Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame ...