Wiper And Washer System (W/ Rain Sensor) Wiper And Washer Switch Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT WINDSHIELD WIPER SWITCH (FRONT WIPER SWITCH AND FRONT WASHER SWITCH)
CHECK WIRE HARNESS (SWITCH - RELAY, BATTERY AND BODY GROUND)
WIPER AND WASHER SYSTEM (w/ Rain Sensor) - Wiper and Washer Switch Circuit |
DESCRIPTION
This circuit detects the state of the windshield wiper switch (wiper and washer switch) and sends it to the auto wiper relay.
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT WINDSHIELD WIPER SWITCH (FRONT WIPER SWITCH AND FRONT WASHER SWITCH) |
Remove the windshield wiper switch.
Measure the resistance of the switch.
- Standard resistance:
Front wiper switchTester Connection
| Switch Connection
| Specified Condition
|
E13-3 (+1) - E13-2 (+B)
| MIST
| Below 1 Ω
|
LO
|
E13-3 (+1) - E13-1 (+S)
| OFF
|
AUTO
|
E13-9 (AUTO) - E13-10 (E)
|
E13-2 (+B) - E13-4 (+2)
| HI
|
- Front washer switch:
Tester Connection
| Switch Connection
| Specified Condition
|
E12-2 (EW) - E12-3 (WF)
| ON
| Below 1 Ω
|
OFF
| 10 kΩ or higher
|
| | REPLACE WINDSHIELD WIPER SWITCH |
|
|
| 2.CHECK WIRE HARNESS (SWITCH - RELAY, BATTERY AND BODY GROUND) |
Disconnect the E12 and E13 switch connectors.
Disconnect the E66 relay connector.
Measure the resistance of the wire harness side connectors.
- Standard resistance:
Tester Connection
| Specified Condition
|
E13-2 (+B) - E66-12 (IG)
| Below 1 Ω
|
E13-3 (+1) - E66-1 (+2S)
|
E13-4 (+2) - E66-3 (+2)
|
E13-1 (+S) - E13-11 (+SSW)
|
E13-9 (AUTO) - E66-17 (CI)
|
E13-10 (E) - E66-16 (C0)
|
E13-7 (VR1) - E66-7 (VR1)
|
E13-8 (VR2) - E66-6 (VR2)
|
E12-3 (WF) - E66 -4 (W)
|
E12-2 (EW) - Body ground
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| OK |
|
|
|
| PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE |
|
