1. CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION
(a) Check that the yaw rate and acceleration sensor has been installed properly See: Brakes and Traction Control/Antilock Brakes /
Traction Control Systems/Acceleration/Deceleration Sensor/Service and Repair/Installation.
OK:
The sensor is tightened to the specified torque.
The sensor is not installed in a tilted position.
NOTICE:
Check the yaw rate and acceleration sensor signal after replacement See: Brakes and Traction Control/Antilock Brakes /
Traction Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Test Mode Procedure.
HINT
If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next
step See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Symptom Related
Diagnostic Procedures/Problem Symptoms Table.
NG -- INSTALL YAW RATE AND ACCELERATION SENSOR CORRECTLY See: Brakes and Traction Control/Antilock
Brakes / Traction Control Systems/Acceleration/Deceleration Sensor/Service and Repair/Installation
OK -- REPLACE YAW RATE AND ACCELERATION SENSOR See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Acceleration/Deceleration Sensor/Service and Repair/Removal
From 08/2009
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1232,C1243,C1245:
Acceleration Sensor Stuck Malfunction
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor via the CAN communication system.
The yaw rate sensor has a built-in acceleration sensor and detects the vehicle's condition using 2 circuits (GL1, GL2).
If there is a malfunction in the bus lines between the yaw rate and acceleration sensor and the CAN communication system, DTCs U0123 (Lost
Communication with Yaw Rate Sensor Module) and U0124 (Lost Communication with Lateral Acceleration Sensor Module) are set.
These DTCs are also output when calibration has not been completed.
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