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Inspection Procedure

  1. CHECK DTC 
    1. Use the intelligent tester or Techstream to check if the CAN communication system is functioning normally.

      Result: 

      RESULT CHART

      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output B

    B: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: GO TO NEXT STEP 

  2. CHECK DEFOGGER SYSTEM 
    1. Check that the defogger operates normally.

      OK: Defogger operates normally. 

    NG: GO TO WINDOW DEFOGGER SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    OK: GO TO NEXT STEP 

  3. PERFORM ACTIVE TEST BY INTELLIGENT TESTER OR TECHSTREAM (MIRROR HEATER FUNCTION) 
    1. Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the mirror heater function.
      1. Intelligent tester

        D-DOOR 

        INTELLIGENT TESER - D-DOOR

        Tester Display Test Part Control Range
        MIRR HEATER Mirror heater operation OFF / ON

        P-DOOR 

        INTELLIGENT TESTER - P-DOOR

        Tester Display Test Part Control Range
        MIRR HEATER Mirror heater operation OFF / ON
      2. Techstream

        Driver Door 

        TECHSTREAM - DRIVER DOOR

        Tester Display Test Part Control Range
        Mirror Heater Mirror heater operation OFF / ON

        Passenger Door 

        TECHSTREAM - PASSENGER DOOR

        Tester Display Test Part Control Range
        Mirror Heater Mirror heater operation OFF / ON

        Result (Driver Side): 

        RESULT - DRIVER SIDE

        Result Proceed to
        Outer rear view mirror LH does not operate normally A
        Outer rear view mirror LH operates normally B

        Result (Passenger Side): 

        RESULT - PASSENGER SIDE

        Result Proceed to
        Outer rear view mirror RH does not operate normally C
        Outer rear view mirror RH operates normally D

    B: REPLACE AIR CONDITIONING AMPLIFIER  (See REMOVAL )

    C: Go to step   5 

    D: REPLACE AIR CONDITIONING AMPLIFIER  (See REMOVAL )

    A: GO TO NEXT STEP 

  4. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH 
    1. Remove the mirror LH (see REMOVAL  ).
    2. Check the operation of the mirror heater.
      1. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        OUTER REAR VIEW MIRROR ASSEMBLY LH RESISTANCE

        Tester Connection Condition Specified Condition
        4 (HTR+) -12 (HTR-) 25°C (75°F) 3.0 to 4.0 Ω
      2. Apply battery voltage and check the mirror heater operation.

        OK 

        OUTER REAR VIEW MIRROR ASSEMBLY LH VOLTAGE

        Measurement Condition Specified Condition
        Battery positive (+) → Terminal 4 (HTR+)
        Battery negative (-) → Terminal 12 (HTR-)        		 Mirror becomes warm
        Fig 1: Inspecting Outer Rear View Mirror Assembly LH
        G04952276Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

        It will take a short time for the mirror to become warm.

    NG: REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH (See  REMOVAL   ) 

    OK: REPLACE FRONT DOOR ECU LH  (See REMOVAL )

  5. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    1. Remove the mirror RH (see REMOVAL  ).
    2. Check the operation of the mirror heater.
      1. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        OUTER REAR VIEW MIRROR ASSEMBLY RH RESISTANCE

        Tester Connection Condition Specified Condition
        4(HTR+)-12(HTR-) 25°C (75°F) 3.0 to 4.0 Ω
      2. Apply battery voltage and check the mirror heater operation.

        OK 

        OUTER REAR VIEW MIRROR ASSEMBLY RH VOLTAGE

        Measurement Condition Specified Condition
        Battery positive (+) → Terminal 4 (HTR+)
        Battery negative (-) → Terminal 12 (HTR-)        		 Mirror becomes warm
        Fig 2: Inspecting Outer Rear View Mirror Assembly RH
        G04952277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT:

        It will take a short time for the mirror to become warm.

    NG: REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH (See  REMOVAL   ) 

    OK: REPLACE FRONT DOOR ECU RH  (See REMOVAL )



  1. CHECK DTC 
    1. Use the intelligent tester or Techstream to check if the CAN communication system is functioning normally.

      Result: 

      RESULT CHART

      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output B

    B: GO TO CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    A: GO TO NEXT STEP 

  2. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (MIRROR RETRACT SWITCH) 
    1. Check the DATA LIST for proper functioning of the mirror retract switch.
      1. Intelligent tester

        D-SEAT SW 

        INTELLIGENT TESTER - D-SEAT SW

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        MIRROR CLOSE Mirror retract switch signal / ON or OFF ON: Switch is ON (retracting)
        OFF: Switch is OFF        		 -
        MIRROR OPEN Mirror retract switch signal / ON or OFF ON: Switch is ON (returning)
        OFF: Switch is OFF        		 -
      2. Techstream

        D-SEAT SW 

        TECHSTREAM - D-SEAT SW

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        Mirror Close Switch Mirror retract switch signal / ON or OFF ON: Switch is ON (retracting)
        OFF: Switch is OFF        		 -
        Mirror Open Switch Mirror retract switch signal / ON or OFF ON: Switch is ON (returning)
        OFF: Switch is OFF        		 -

        OK: On tester screen, each item changes between ON and OFF according to above chart. 

    NG: REPLACE OUTER MIRROR SWITCH ASSEMBLY (See  REMOVAL   ) 

    OK: GO TO NEXT STEP 

  3. PERFORM ACTIVE TEST BY INTELLIGENT TESTER OR TECHSTREAM (MIRROR RETRACT FUNCTION) 
    1. Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the mirror retract function.
      1. Intelligent tester

        D-DOOR 

        INTELLIGENT TESTER - D-DOOR

        Tester Display Test Part Control Range
        MIRR FOLD / RETRN Mirror retract operation FOLD/RETURN

        P-DOOR 

        INTELLIGENT TESTER - P-DOOR

        Tester Display Test Part Control Range
        MIRR FOLD / RETRN Mirror retract operation FOLD / RETURN
      2. Techstream

        Driver Door 

        TECHSTREAM - DRIVER DOOR

        Tester Display Test Part Control Range
        Mirror Fold / Return Mirror retract operation FOLD/RETURN

        Passenger Door 

        TECHSTREAM - PASSENGER DOOR

        Tester Display Test Part Control Range
        Mirror Fold / Return Mirror retract operation FOLD/RETURN

        Result (Driver Side): 

        RESULT - DRIVER SIDE

        Result Proceed to
        Outer rear view mirror LH does not operate normally A
        Outer rear view mirror LH operates normally B

        Result (Passenger Side): 

        RESULT - PASSENGER SIDE

        Result Proceed to
        Outer rear view mirror RH does not operate normally C
        Outer rear view mirror RH operates normally D

    B: REPLACE OUTER MIRROR SWITCH ASSEMBLY (See  REMOVAL   ) 

    C: Go to step   5 

    D: REPLACE OUTER MIRROR SWITCH ASSEMBLY (See  REMOVAL   ) 

    A: GO TO NEXT STEP 

  4. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH 
    1. Remove the mirror LH (see REMOVAL  ).
    2. For each mirror position: Disconnect the battery, set the mirror position by hand, connect the battery, and check the retractable mirror's movement.
      NOTE:
      • Disconnect and reconnect the battery once between each mirror position check.
      • The mirror position cannot be changed manually when the battery is connected. To change the mirror position manually, the battery must be disconnected first.
      Fig 1: Inspecting Outer Rear View Mirror Assembly LH
      G04952279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      OUTER REAR VIEW MIRROR ASSEMBLY LH

      Measurement Condition Mirror Position Specified Condition
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Forward position (A) Moves from (A) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Forward position (A) Does not move
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Position between forward position (A) and driving position (C) Moves from (B) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Position between forward position (A) and driving position (C) Moves from (B) to forward position (A)
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Driving position (C) Moves from (C) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Driving position (C) Does not move
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Position between driving position (C) and retracted position (E) Moves from (D) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Position between driving position (C) and retracted position (E) Moves from (D) to driving position (C)
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Retracted position (E) Does not move
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Retracted position (E) Moves from (E) to driving position (C)

    NG: REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH (See  REMOVAL   ) 

    OK: REPLACE FRONT DOOR ECU LH  (See REMOVAL )

  5. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    1. Remove the mirror RH (see REMOVAL  ).
    2. For each mirror position: Disconnect the battery, set the mirror position by hand, connect the battery, and check the retractable mirror's movement.
      NOTE:
      • Disconnect and reconnect the battery once between each mirror position check.
      • The mirror position cannot be changed manually when the battery is connected. To change the mirror position manually, the battery must be disconnected first.
      Fig 2: Inspecting Outer Rear View Mirror Assembly RH
      G04952280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      OUTER REAR VIEW MIRROR ASSEMBLY RH

      Measurement Condition Mirror Position Specified Condition
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Forward position (A) Moves from (A) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Forward position (A) Does not move
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Position between forward position (A) and driving position (C) Moves from (B) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Position between forward position (A) and driving position (C) Moves from (B) to forward position (A)
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Driving position (C) Moves from (C) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Driving position (C) Does not move
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Position between driving position (C) and retracted position (E) Moves from (D) to retracted position (E)
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Position between driving position (C) and retracted position (E) Moves from (D) to driving position (C)
      Battery positive (+) → Terminal 3 (MR)
      Battery negative (-) → Terminal 11 (MF)      		 Retracted position (E) Does not move
      Battery positive (+) → Terminal 11 (MF)
      Battery negative (-) → Terminal 3 (MR)      		 Retracted position (E) Moves from (E) to driving position (C)

    NG: REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH (See  REMOVAL   ) 

    OK: REPLACE FRONT DOOR ECU RH  (See REMOVAL )

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