TRAC Off Indicator Light, TRAC Off Switch Circuit
CIRCUIT DESCRIPTIONThis is the TRAC control main switch. When the TRAC OFF switch is pressed, TRAC control is deactivated and the TRAC OFF indicator light lights up. By turning off the ignition switch, TRAC control is surely activated when the ignition switch turns ON next time. Also, the TRAC OFF indicator light turns "ON" when the ECU prohibit TRAC controls.
Wiring Diagram:
Steps 1 - 2:
Steps 3 - 5:
INSPECTION PROCEDURE
HINT: Start the inspection from step 1 in case of using the TOYOTA hand-held tester and start from step 2 in case of not using the TOYOTA hand-held tester.