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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Power Mirror Control System >> Driver Side and Front Passenger Side Power Mirrors cannot be Adjusted with Power Mirror Switch >> Inspection Procedure

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 MASTER SWITCH AND MIRROR CONTROL SWITCH) 
    1. Check the Data List for proper functioning of the mirror master switch and mirror control switch.

      D-SEAT SW 

      D-SEAT SW REFERENCE CHART

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Mirror selection SW (Right) Mirror master switch signal for RH mirror / ON or OFF ON: Switch is in R position
      OFF: Switch is OFF or in L position
      -
      Mirror selection SW (Left) Mirror master switch signal for LH mirror / ON or OFF ON: Switch is in L position
      OFF: Switch is OFF or in R position
      -
      Mirror Adjustment Right Mirror control switch signal (RIGHT) /ON or OFF ON: RIGHT switch is ON
      OFF: Any switch except RIGHT is ON or all switches are OFF
      -
      Mirror Adjustment Left Mirror control switch signal (LEFT) / ON or OFF ON: LEFT switch is ON
      OFF: Any switch except LEFT is ON or all switches are OFF
      -
      Mirror Adjustment Up Mirror control switch signal (UP) / ON or OFF ON: UP switch is ON
      OFF: Any switch except UP is ON or all switches are OFF
      -
      Mirror Adjustment Down Mirror control switch signal (DOWN)/ON or OFF ON: DOWN switch is ON
      OFF: Any switch except DOWN is ON or all switches are OFF
      -

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

    NG: REPLACE OUTER MIRROR SWITCH ASSEMBLY  (See REMOVAL  )

    OK: USE SIMULATION METHOD TO CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )