Washer Motor Circuit [12/2019 - 11/2023]: Procedure
- PERFORM ACTIVE TEST USING GTS
- Perform the Active Test according to the display on the GTS.
Body Electrical > Main Body > Active Test
Tester Display Measurement Item Control Range Diagnostic Note Front Washer Relay Function to operate the windshield washer motor and pump assembly (Front) OFF or ON - Rear Washer Relay Function to operate the windshield washer motor and pump assembly (Rear) OFF or ON - Body Electrical > Main Body > Active Test
Tester Display Front Washer Relay Body Electrical > Main Body > Active Test
Tester Display Rear Washer Relay OK
Windshield washer motor and pump assembly operates normally.
Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [12/2019 - ]
Result:
NG
See step 2
- Perform the Active Test according to the display on the GTS.
- INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
- Remove the windshield washer motor and pump assembly.
Refer to REMOVAL [12/2019 - 09/2020] , or refer to REMOVAL [09/2020 - 11/2023]
- Inspect the windshield washer motor and pump assembly.
Refer to INSPECTION [12/2019 - ]
Result
Proceed to OK NG
Result:
NG
REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY. Refer to REMOVAL [12/2019 - 09/2020] , or refer to REMOVAL [09/2020 - 11/2023]
Result:
OK
See step 3
- Remove the windshield washer motor and pump assembly.
- CHECK HARNESS AND CONNECTOR (POWER SOURCE - WINDSHIELD WIPER RELAY ASSEMBLY)
- Disconnect the A6 windshield wiper relay assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection Condition Specified Condition A6-6 (IGWS) - Body ground Ignition switch ON 11 to 14 V Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 4
- CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A6-5 (EWS) - Body ground Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 5
- Measure the resistance according to the value(s) in the table below.
- CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY)
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A6-1 (+WR) - A38-1 (B) Always Below 1 Ω A6-7 (-WR) - A38-2 (SW) Always Below 1 Ω A6-1 (+WR) or A38-1 (B) - Body ground Always 10 kΩ or higher A6-7 (-WR) or A38-2 (SW) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE WINDSHIELD WIPER RELAY ASSEMBLY. Refer to REMOVAL [12/2019 - 10/2022] , or refer to REMOVAL [10/2022 - 11/2023]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Measure the resistance according to the value(s) in the table below.