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Power Mirror Control System: Inspection

  1. INSPECT LEFT SIDE MIRROR SWITCH CONTINUITY 
    LEFT SIDE MIRROR SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    OFF - No Continuity
    UP 3-4
    7-8    		 Continuity
    DOWN 3-8
    4-7    		 Continuity
    LEFT 4-9
    7-8    		 Continuity
    RIGHT 4-7
    8-9    		 Continuity
  2. INSPECT RIGHT SIDE MIRROR SWITCH CONTINUITY 
    RIGHT SIDE MIRROR SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    OFF - No Continuity
    UP 2-4
    1-7-8    		 Continuity
    DOWN 4-7
    1-2-8    		 Continuity
    LEFT 4-10
    1-7-8    		 Continuity
    RIGHT 4-8
    1-8-10    		 Continuity
    Fig 1: Inspecting Mirror Switch Continuity
    G02904504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT RETRACT SWITCH CONTINUITY 
    RETRACT SWITCH CONTINUITY

    Switch position Tester connection Specified condition
    RETURN 1-5
    2-5    		 Continuity
    RETRACT 1-2
    4-5    		 Continuity

    If continuity is not as specified, replace the switch.

    Fig 2: Inspecting Retract Switch Continuity
    G02904505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT MIRROR SWITCH CIRCUIT 

    Disconnect the connector from the switch and inspect the connector on the wire harness side.

    Fig 3: Locating Connector Terminals Of Mirror Switch Circuit
    G02904506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    MIRROR SWITCH CIRCUIT

    Tester connection Condition Specified condition
    8 - Ground Constant Continuity
    4 - Ground Ignition switch position LOCK No voltage
    4 - Ground Ignition switch position ACC or ON Battery positive voltage

    If the circuit is not as specified, inspect the circuits connected to other parts.

  5. INSPECT INDICATOR LIGHT OPERATION 

    Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 6, and check that the indicator light does not light up, replace the switch.

    Fig 4: Inspecting Indicator Light Operation
    G02904507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSPECT MIRROR MOTOR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 8 and the negative (-) lead to terminal 7, and check that the mirror turns to the left side.
      Fig 5: Inspecting Mirror Motor Operation By Correcting Battery To Terminals 7 & 8
      G02904508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Reverse the polarity, and check that the mirror turns to the right side.
      Fig 6: Inspecting Mirror Motor Operation By Reversing Polarity Of Terminals 7 & 8
      G02904509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the positive (+) lead from the battery to terminal 6 and the negative (-) lead to terminal 7, and check that the mirror turns upward.
      Fig 7: Checking Mirror Movement By Correcting Battery To Terminals 7 & 8
      G02904510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Reverse the polarity, and check that the mirror turns downward.

    If operation is not as specified, replace the mirror assembly.

    Fig 8: Checking Mirror Movement By Reversing Polarity Of 6 & 7 Terminal
    G02904511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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