Zero Point Calibration of Acceleration Sensor Undone - Vehicle Stability Control System

BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM: C1210/36: Zero Point Calibration of Yaw Rate Sensor Undone

DTC C1210/36 - Zero Point Calibration of Yaw Rate Sensor Undone

DTC C1336/39 - Zero Point Calibration of Acceleration Sensor Undone

DESCRIPTION

The skid control ECU receives signals from the yaw rate sensor via CAN communication system.
Yaw rate sensor has the built-in deceleration sensor.
If there is trouble in the bus lines between the yaw rate and deceleration sensor and CAN communication system, the DTC U0123/62 (yaw rate sensor communication trouble) and U0124/95 (deceleration sensor communication trouble) are output.
The DTC is also output when the calibration has not been completed.






WIRING DIAGRAM





INSPECTION PROCEDURE
HINT: When U0073/94, U0100/65, U0123/62, U0124/95 or U0126/63 are output accompanied with C1210/36 or C1336/39, inspect and repair the trouble areas indicated by U0073/94, U0100/65, U0123/62, U0124/95 or U0126/63 first.

PROCEDURE

1. PERFORM ZERO POINT CALIBRATION OF YAW RATE AND DECELERATION SENSOR
(a) Perform the zero point calibration of the yaw rate and deceleration sensor .
NEXT -- Continue to next step.
2. RECONFIRM DTC
(a) Clear the DTCs .
(b) Turn the ignition switch to the ON position.
(c) Are the same DTCs recorded .
Result:






B -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
A -- Continue to next step.
3. CHECK YAW RATE AND DECELERATION SENSOR INSTALLATION
(a) Check that the yaw rate and deceleration sensor has been installed properly .
NOTE: When replacing the yaw rate and deceleration sensor, perform zero point calibration .

NG -- INSTALL YAW RATE AND DECELERATION SENSOR CORRECTLY
OK -- REPLACE YAW RATE AND DECELERATION SENSOR