DTC C2331 Yaw rate signal error
caution
Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communication circuit are normal.
OPERATION
The BSW-ECU (master) receives G and yaw rate sensor signal from the ASC-ECU via the gateway-ECU through the CAN bus lines.
CHECK CONDITION
Ignition switch is in the "ON" position.
DIAGNOSTIC FUNCTION AND TROUBLE JUDGMENT
When the BSW-ECU (master) receives an invalid G and yaw rate sensor signal from the ASC-ECU, the ECU will set DTC C2331.
TROUBLESHOOTING HINTS
The ASC system fails
Malfunction of BSW-ECU (master)
DIAGNOSIS
1.
scan tool (M.U.T.-IIISE) ASC system DTC.
2.
Check whether the DTC is set again.