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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 882 (ELECTRO CHROMIC MIRROR SYSTEM)INSPECTION
2004 Toyota Matrix XR, FWD, Standard

Section 882 (Electro Chromic Mirror System): Inspection

2004 Toyota Matrix XR, FWD, StandardSECTION Inspection
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ELECTRO CHROMIC INNER MIRROR OPERATION 
    1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 4.
    2. Connect the positive (+) leaf from the voltmeter to terminal 2 and the negative (-) lead to terminal 3.
    3. Shine an electric light on the mirror, and check that there is battery positive voltage and mirror surface becomes "bright" to "dark".

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

      Fig 1: Inspecting Electro Chromic Inner Mirror Operation
      G03377085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT ELECTRO CHROMIC INNER MIRROR CIRCUIT 

    Disconnect the connector from the mirror and inspect the connector on the wire harness side, as shown.

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

    Fig 2: Identifying Electro Chromic Inner Mirror Connector Terminals
    G03377086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTOR TERMINALS SPECIFIED CONDITION

    Tester connection Condition Specified condition
    4 - Ground Constant Continuity
    1 - Ground Ignition switch LOCK or ACC No voltage
    1 - Ground Ignition switch ON Battery voltage
  3. INSPECT ELECTRO CHROMIC OUTER MIRROR OPERATION 
    1. Disconnect the outer mirror connector.
    2. Connect the positive (+) lead from the dry through battery to terminal 7 and the negative (-) lead to terminal 15, then check that the mirror surface become "dark".
    3. Reconnect to the dry through battery by the reverse order, then check that the mirror surface become "bright".

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

      Fig 3: Inspecting Electro Chromic Outer Mirror Operation
      G03377087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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