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:

Precaution
PRECAUTION 1. EXPRESSIONS OF IGNITION SWITCH The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignit ...

System Description
SYSTEM DESCRIPTION 1. BRIEF DESCRIPTION (a) The CAN (Controller Area Network) is a serial data communication system for real-time application. It is a vehicle multiplex communication system which has a high communication speed (500 kbps, 250 kbps) and th ...