Wiper and Washer Switch Circuit [12/2017 - 10/2020]: Procedure

1. Read the Data List according to the display on the Techstream.

   Refer to DATA LIST / ACTIVE TEST [12/2017 - 10/2020]

   Chassis > Steering Angle Sensor > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Wiper OFF Switch	Windshield wiper switch assembly (OFF position) condition	OFF or ON	OFF: Windshield wiper switch assembly not in OFF position ON: Windshield wiper switch assembly in OFF position	-
   Wiper Auto/Int Switch	Windshield wiper switch assembly (AUTO position) condition	OFF or ON	OFF: Windshield wiper switch assembly not in AUTO position ON: Windshield wiper switch assembly in AUTO position	-
   Wiper Lo Switch	Windshield wiper switch assembly (LO position) condition	OFF or ON	OFF: Windshield wiper switch assembly not in LO position ON: Windshield wiper switch assembly in LO position	-
   Wiper Hi Switch	Windshield wiper switch assembly (HI position) condition	OFF or ON	OFF: Windshield wiper switch assembly not in HI position ON: Windshield wiper switch assembly in HI position	-
   Wiper Mist Switch	Windshield wiper switch assembly (MIST position) condition	OFF or ON	OFF: Windshield wiper switch assembly not in MIST position ON: Windshield wiper switch assembly in MIST position	-
   Washer Switch	Windshield wiper switch assembly (washer switch) condition	OFF or ON	OFF: Windshield wiper switch assembly (washer switch) in OFF position ON: Windshield wiper switch assembly (washer switch) in ON position	-
   Intermittent Time Volume	Intermittent time adjustment volume condition	Shortest, Shorter, Longer or Longest	Shortest: Windshield wiper switch assembly (intermittent time adjustment volume condition) P4 position Shorter: Windshield wiper switch assembly (intermittent time adjustment volume condition) P3 position Longer: Windshield wiper switch assembly (intermittent time adjustment volume condition) P2 position Longest: Windshield wiper switch assembly (intermittent time adjustment volume condition) P1 position	-

   Chassis > Steering Angle Sensor > Data List 

   Tester Display
   Wiper OFF Switch
   Wiper Auto/Int Switch
   Wiper Lo Switch
   Wiper Hi Switch
   Wiper Mist Switch
   Washer Switch
   Intermittent Time Volume

   OK

   The Data List range changes according to the windshield wiper switch assembly operation

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 10/2020] 

Result: 

NG 

See step  2

1. Remove the windshield wiper switch assembly.

   Refer to REMOVAL [12/2017 - ]

2. Inspect the windshield wiper switch assembly.

   Refer to INSPECTION [12/2017 - 10/2020]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY. Refer to  REMOVAL [12/2017 - ] 

Result: 

OK 

See step  3

1. Remove the steering wheel switch housing.

   Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]

2. Inspect the steering wheel switch housing.

   Refer to INSPECTION [12/2017 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE STEERING SENSOR. Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020] 

Result: 

NG 

REPLACE STEERING WHEEL SWITCH HOUSING. Refer to  REMOVAL [12/2017 - 09/2018]  , or refer to  REMOVAL [09/2018 - 10/2020]