C15C3

STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: C15C3/75: Brake System Control Module Malfunction
C15C3/75 - Brake System Control Module Malfunction

DESCRIPTION

The steering control ECU detects a vehicle speed error by receiving an error signal from the skid control ECU via CAN communication.

If the steering control ECU detects this error signal, it will turn the master warning light on, store this DTC, and stop VGRS operation.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Check for DTCs in the skid control ECU Electronically Controlled Brake System.

OK:

DTC is not output.

NG -- REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK -- Continue to next step.

2. CHECK DTC

(a) Check for DTCs in the CAN communication system Diagnosis System.

Result:





NG -- REPAIR CIRCUIT INDICATED BY DTC OUTPUT

OK -- REPLACE STEERING CONTROL ECU