Wiper and Washer Switch Circuit
WIPER AND WASHER: WIPER AND WASHER SYSTEM: Wiper and Washer Switch Circuit
- Wiper and Washer Switch Circuit
DESCRIPTION
This circuit provides power to operate the windshield wiper switch. The manual operation signals are sent to the front light ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING INTELLIGENT TESTER OR TECHSTREAM (WINDSHIELD WIPER SWITCH)
(a) Check the DATA LIST for proper functioning of the windshield wiper switch.
Combination switch (Windshield Wiper Switch):
OK:
The display is as specified in the normal condition.
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (WIPER SWITCH - BATTERY AND BODY GROUND)
(a) Disconnect the L25 switch connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE