FixVault

Audio System: Inspection

  1. INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT 

    Connect the connector from radio receiver assembly and inspect the connector on the wire harness side.

    Fig 1: Identifying Radio Receiver Assembly Connector Terminal
    G02845082Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTION CONDITION

    Tester connection Condition Specified condition
    7 - Ground Constant Continuity
    3 - Ground Ignition switch LOCK No voltage
    3 - Ground Ignition switch ACC or ON Battery voltage
    4 - Ground Constant Battery voltage

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

  2. INSPECT CENTER CLUSTER SWITCH CIRCUIT 

    Connect the connector from radio receiver assembly and inspect the connector on the wire harness side.

    Fig 2: Identifying Center Cluster Switch Connector Terminal
    G02845083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    CONNECTION CONDITION

    Tester connection Condition Specified condition
    4 - Ground Constant Continuity
    1 - Ground Ignition switch ACC or ON Battery voltage
    1 - Ground Ignition switch LOCK No voltage
    2 - Ground Constant Battery voltage

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