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Section 545 (Audio System): Inspection

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT POWER AMPLIFIER CIRCUIT 

    Disconnect the connector from power amplifier and inspect the connector on the wire harness side.

    Fig 1: Inspecting Power Amplifier Circuit
    G03069012Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION SPECIFIED CONDITION

    Tester connection Condition Specified condition
    12 - Ground Constant Continuity
    13 - Ground Constant Continuity
    7 - Ground Constant Battery voltage
    16 - Ground Constant Battery voltage

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

  2. INSPECT REAR SEAT AUDIO CIRCUIT 

    Disconnect the connector from RSA controller and inspect the connector on the wire harness side.

    Fig 2: Inspecting Rear Seat Audio Circuit
    G03069013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION SPECIFIED CONDITION

    Tester connection Condition Specified condition
    17 - Ground Constant Continuity
    24 - Ground Ignition switch LOCK and radio switch ON No voltage
    24 - Ground Ignition switch ACC or ON and radio switch ON Battery voltage
    12 - Ground Constant Battery voltage

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

  3. INSPECT DVD CHANGER CIRCUIT 

    Disconnect the connector from DVD changer and inspect the connector on the wire harness side.

    Fig 3: Inspecting DVD Changer Circuit
    G03069014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION SPECIFIED CONDITION

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

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

  4. INSPECT RADIO RECEIVER ASSEMBLY CIRCUIT 

    Disconnect the connectors from the radio receiver assembly, and inspect the connector on the wire harness side.

    Fig 4: Inspecting Radio Receiver Assembly Circuit
    G03069015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION SPECIFIED CONDITION

    Tester connection Condition Specified condition
    A20 - Ground Constant Continuity
    A1 - Ground Constant Battery voltage
    A11 - Ground Ignition switch LOCK No voltage
    A11 - Ground Ignition switch ACC or ON Battery voltage

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

    HINT:

    Check the wire harness between radio receiver assembly and the CD auto changer, between radio receiver assembly and power amplifier.

  5. INSPECT STEERING PAD SWITCH CIRCUIT 

    Disconnect the connectors from the steering pad switch, and inspect the connector on the wire harness side.

    Fig 5: Inspecting Steering Pad Switch Circuit
    G03069016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TESTER CONNECTION SPECIFIED CONDITION

    Tester connection Condition Specified condition
    AU1 - EAU Do not switch position Approx. 100 kΩ
    AU1 - EAU SEEK+ switch: push 0 Ω
    AU1 - EAU SEEK- switch: push Approx. 0.3Ω
    AU1 - EAU VOL+ switch: push Approx. 1kΩ
    AU1 - EAU VOL- switch: push Approx. 3.2 kΩ
    AU2 - EAU Do not switch position Approx. 100 kΩ
    AU2 - EAU MODE switch: push 0 Ω

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

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