C1503

TCS Switch Failure





DESCRIPTION
When the TCS switch is pressed, TCS control is deactivated and the TCS OFF indicator lights up.

The TCS OFF indicator turns "ON" when the HECU prohibits TCS controls.

DTC DETECTING CONDITION:

FAIL-SAFE FUNCTION
Inhibit the TCS control and allow the ABS/EBD control.

Meanwhile, stop checking the TCS switch failure under the TCS control.

INSPECTION PROCEDURES