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Home >> Lexus >> 2005 >> RX 330 AWD >> Repair and Diagnosis >> Body & Frame >> Mirrors >> Power Mirror Control System (W/ Memory) - Diagnostics >> Remote Control Mirror Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. READ VALUE OF HAND-HELD TESTER 
    1. Check the DATA LIST for proper functioning of the outer mirror switches.

      Standard (Multiplex network body ECU): 

      DATA LIST REFERENCE

      Item Measurement Item/Display (Range) Normal Condition
      MIRR SEL SWITCH L Mirror selection switch signal for LH mirror/ON or OFF ON: Switch is in Left position
      MIRR SEL SWITCH L Mirror selection switch signal for LH mirror/ON or OFF OFF: Switch is in original or Right position
      MIRR SEL SWITCH R Mirror selection switch signal for RH mirror/ON or OFF ON: Switch is in Right position
      MIRR SEL SWITCH R Mirror selection switch signal for RH mirror/ON or OFF OFF: Switch is in original or Left position
      MIRR POS SWITCH L Mirror position switch signal (Left)/ON or OFF ON: Switch L is ON
      MIRR POS SWITCH L Mirror position switch signal (Left)/ON or OFF OFF: Any switch except L is ON or all switches are OFF
      MIRR POS SWITCH R Mirror position switch signal (Right)/ON or OFF ON: Switch R is ON
      MIRR POS SWITCH R Mirror position switch signal (Right)/ON or OFF OFF: Any switch except R is ON or all switches are OFF
      MIRR POS SWITCH UP Mirror position switch signal (Up)/ON or OFF ON: Switch UP is ON
      MIRR POS SWITCH UP Mirror position switch signal (Up)/ON or OFF OFF: Any switch except UP is ON or all switches are OFF
      MIRR POS SWITCH DOWN Mirror position switch signal (Down)/ON or OFF ON: Switch DOWN is ON
      MIRR POS SWITCH DOWN Mirror position switch signal (Down)/ON or OFF OFF: Any switch except DOWN is ON or all switches are OFF
    1. OK REPLACE OUTER MIRROR CONTROL ECU ASSY 
    2. NG: GO TO NEXT STEP. 
  2. INSPECT OUTER MIRROR SWITCH ASSY (See  INSPECTION  ) 
    1. NG: REPLACE OUTER MIRROR SWITCH ASSY 
    2. OK: Go to next step. 
  3. CHECK WIRE HARNESS 

    (OUTER MIRROR SWITCH ASSY - MULTIPLEX NETWORK BODY ECU) 

    1. Disconnect the R5 switch and B4 ECU connectors.
    2. Check the resistance between the wire harness side connectors.

      Standard: 

      Fig 1: R5 Switch And B4 ECU Connector Terminals Resistance Specification
      G03009727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Identifying R5 Switch And B4 ECU Connector Terminals
      G03009728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: REPLACE MULTIPLEX NETWORK BODY ECU 
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