Stop Light Switch Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Stop Light Switch Circuit

Stop Light Switch Circuit

DESCRIPTION

This circuit sends a stop light switch ON/OFF signal to ECU.
The skid control ECU controls the DAC relay.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK STOP LIGHT SWITCH ASSEMBLY
(a) Depress the brake pedal.
(b) Check that the stop light comes on.
Standard:
Stop light comes on.
NG -- GO TO LIGHTING SYSTEM
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER ECU - STOP LIGHT SWITCH)
(a) Check for open and short circuit in the harness and the connector between terminal STP of the windshield wiper ECU and the stop light switch.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE