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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Power Mirror Control System >> Power Retractable Mirrors do not Operate with Power Retract Mirror Switch >> Inspection Procedure
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Inspection Procedure

  1. CHECK DTC 
    1. Use the 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 TECHSTREAM (MIRROR RETRACT SWITCH) 
    1. Check the Data List for proper functioning of the mirror retract switch.

      D-SEAT SW 

      D-SEAT SW REFERENCE CHART

      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 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 TECHSTREAM (MIRROR RETRACT FUNCTION) 
    1. Select the Active Test, use the Techstream to generate a control command, and then check the mirror retract function.

      Driver Door 

      DRIVER DOOR REFERENCE CHART

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

      Passenger Door 

      PASSENGER DOOR REFERENCE CHART

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

      Result (Driver Side): 

      RESULT CHART

      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 CHART

      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  ).
      Fig 1: Identifying Outer Rear View Mirror LH Connector Terminals
      G04952279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      OK 

      MEASUREMENT CONDITION SPECIFIED CONDITION REFERENCE CHART

      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 COMPONENTS )

  5. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    1. Remove the mirror RH (see REMOVAL  ).
      Fig 2: Identifying Outer Rear View Mirror RH Connector Terminals
      G04952280Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

      OK 

      MEASUREMENT CONDITION SPECIFIED CONDITION REFERENCE CHART

      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 COMPONENTS )

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