2005 Scion tC AutomaticFACTORY OEM SERVICE PROCEDURE

Power Mirror Control System: Inspection

  1. INSPECT OUTER MIRROR SWITCH ASSY 
    1. Select L on the left/right adjustment switch:

      Measure the resistance of the switch.

      Standard: 

      TESTER CONNECTION CONDITION SPECIFICATIONS

      Terminal Connection Switch Condition Specified Condition
      4 (VL) - 8 (B) UP Below 1 Ω
      6 (M+) - 7 (E)
      4 (VL) - 7 (E) DOWN Below 1 Ω
      6 (M+) - 8 (B)
      5 (HL) - 8 (B) LEFT Below 1 Ω
      6 (M+) - 7 (E)
      5 (HL) - 7 (E) RIGHT Below 1 Ω
      6 (M+) - 8 (B)

      If the result is not as specified, replace the switch assy.

    2. Select R on the left/right adjustment switch:

      Measure the resistance of the switch.

      Standard: 

      TESTER CONNECTION CONDITION SPECIFICATIONS

      Terminal Connection Switch Condition Specified Condition
      3 (VR) - 8 (B) UP Below 1 Ω
      6 (M+) - 7 (E)
      3 (VR) - 7 (E) DOWN Below 1 Ω
      6 (M+) - 8 (B)
      2 (HR) - 8 (B) LEFT Below 1 Ω
      6 (M+) - 7 (E)
      2 (HR) - 7 (E) RIGHT Below 1 Ω
      6 (M+) - 8 (B)

      If the result is not as specified, replace the switch assy.

    Fig 1: Identifying Power Mirror Control Switch Assy
    G03073668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT OUTER REAR VIEW MIRROR ASSY LH 
    1. Disconnect the mirror connector.
    2. Apply battery voltage to the mirror and check operation of the mirror.

      Ok: 

      MEASUREMENT CONDITION SPECIFICATIONS

      Measurement Condition Mirror Condition
      Battery positive (+) -> 3 (MV) Turns upward (A)
      Battery negative (-) -> 4 (COM)
      Battery positive (+) -> 4 (COM) Turns downward (B)
      Battery negative (-) -> 3 (MV)
      Battery positive (+) -> 5 (MH) Turns left (C)
      Battery negative (-) -> 4 (COM)
      Battery positive (+) -> 4 (COM) Turns right (D)
      Battery negative (-) -> 5 (MH)

      If the result is not as specified, replace the mirror assy.

    Fig 2: Checking Operation Of Outer Rear View Mirror Assy LH
    G03073669Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT OUTER REAR VIEW MIRROR ASSY RH 
    1. Disconnect the mirror connector.
    2. Apply battery voltage to the mirror and check operation of the mirror.

      Ok: 

      MEASUREMENT CONDITION SPECIFICATIONS

      Measurement Condition Mirror Condition
      Battery positive (+) -> 3 (MV) Turns upward (A)
      Battery negative (-) -> 4 (COM)
      Battery positive (+) -> 4 (COM) Turns downward (B)
      Battery negative (-) -> 3 (MV)
      Battery positive (+) -> 5 (MH) Turns left (C)
      Battery negative -> 4 (COM)
      Battery positive (+) -> 4 (COM) Turns right (D)
      Battery negative (-) -> 5 (MH)

      If the result is not as specified, replace the mirror assy.

    Fig 3: Checking Outer Rear View Mirror Assy RH
    G03073670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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