Front Wiper Motor Circuit [11/2023 - ]: Procedure

1. 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 Wiper Lo Operation	Function to operate the windshield wiper motor assembly in LO	OFF or ON	-
   Front Wiper Hi Operation	Function to operate the windshield wiper motor assembly in HI	OFF or ON	-

   Body Electrical > Main Body > Active Test 

   Tester Display
   Front Wiper Lo Operation

   Body Electrical > Main Body > Active Test 

   Tester Display
   Front Wiper Hi Operation

   OK

   Windshield wiper motor 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

1. Remove the windshield wiper motor assembly.

   Refer to REMOVAL [12/2019 - ]

2. Inspect the windshield wiper motor assembly.

   Refer to INSPECTION [12/2019 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

Result: 

OK 

See step  3

1. Disconnect the A6 and A7 windshield wiper relay assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A6-2 (+1) - A37-5 (+1)	Always	Below 1 Ω
   A6-4 (+2) - A37-3 (+2)	Always	Below 1 Ω
   A7-6 (+SM) - A37-1 (+S)	Always	Below 1 Ω
   A6-2 (+1) or A37-5 (+1) - Body ground	Always	10 kΩ or higher
   A6-4 (+2) or A37-3 (+2) - Body ground	Always	10 kΩ or higher
   A7-6 (+SM) or A37-1 (+S) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A37-4 (E) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE WINDSHIELD WIPER RELAY ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR