Mirror Heater does not Operate with Rear Defogger Switch [11/2023 - ]: Procedure

1. Check vehicle condition.

   Result

   Result	Proceed to
   Both mirror heaters do not operate	A
   LH side mirror heater does not operate	B
   RH side mirror heater does not operate	C

Result: 

B 

See step  5

Result: 

C 

See step  7

Result: 

A 

See step  2

1. Check the window defogger system operation.

   Refer to OPERATION CHECK [11/2023 - ]

   OK

   The window defogger system operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO WINDOW DEFOGGER SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] 

Result: 

OK 

See step  3

1. Disconnect the 8J power distribution box assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   8J-1 - Body Ground	Ignition switch off	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ] 

Result: 

OK 

See step  4

1. Disconnect the J37 outer rear view mirror assembly LH connector.
2. Disconnect the J15 outer rear view mirror assembly RH connector.
3. Disconnect the 8B power distribution box assembly connector.
4. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J37-6 (+) - 8B-2	Always	Below 1 Ω
   J37-11 (E) - Body ground	Always	Below 1 Ω
   J15-6 (+) - 8B-2	Always	Below 1 Ω
   J15-11 (E) - Body ground	Always	Below 1 Ω
   J37-6 (+), J15-6 (+) or 8B-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

1. Disconnect the J37 outer rear view mirror assembly LH connector.
2. Disconnect the 8B power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J37-6 (+) - 8B-2	Always	Below 1 Ω
   J37-11 (E) - Body Ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

Refer to INSPECTION [12/2019 - ]

Result

Result: 

OK 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPLACE OUTER MIRROR LH. Refer to  REMOVAL [12/2019 - ] 

1. Disconnect the J15 outer rear view mirror assembly RH connector.
2. Disconnect the 8B power distribution box assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J15-6 (+) - 8B-2	Always	Below 1 Ω
   J15-11 (E) - Body Ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  8

Refer to INSPECTION [12/2019 - ]

Result

Result: 

OK 

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [11/2023 - ] 

Result: 

NG 

REPLACE OUTER MIRROR RH. Refer to  REMOVAL [12/2019 - ]