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Inspection Procedure

NOTE: Be sure to read DESCRIPTION before performing the following procedures.
  1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT 
    1. Refer to the RADIO RECEIVER POWER SOURCE CIRCUIT  (See ).

    If the power source circuit is operating normally, proceed to the next step.

  2. INSPECT RADIO RECEIVER ASSEMBLY 
    1. Disconnect the E62 receiver connector.
    2. Measure the resistance according to the value(s) in the table below.

    Standard Resistance 

    STANDARD RESISTANCE REFERENCE CHART

    Tester Connection Specified Condition
    5 (ATX+) - 15 (ATX-) 60 to 80 Ω

    NG: REPLACE RADIO RECEIVER ASSEMBLY 

    Fig 1: Identifying E62 Receiver Connector Terminals
    G06000160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to next step 

  3. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE 
    1. Enter the diagnostic mode.
      Fig 2: Identifying Diagnostic Mode
      G05184731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Press the preset switch "2" to change to "Detailed Information Mode".
    3. Identify the component which has stored this code.

    Component Table: 

    COMPONENT REFERENCE CHART

    Component Physical address
    Stereo component amplifier 440

    HINT:

    • "440 (Stereo component amplifier)" is the component which has stored this code in the example shown in the illustration.
    • For details of the DTC display, refer to the "DTC CHECK/CLEAR " (See ).
  4. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE) 

    HINT:

    For details of the connectors, refer to the "TERMINALS OF ECU " (See ).

    1. Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component which has stored this code.
      1. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component which has stored this code.

        OK: 

        There is no open or short circuit. 

      Fig 3: AVC-LAN Wiring Diagram
      G06000161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

      OK: Go to next step 

  5. INSPECT RADIO RECEIVER ASSEMBLY 
    1. Replace the radio receiver with a normal one and check if the same problem occurs again.

      OK: 

      Same problem does not occur. 

    NG: REPLACE COMPONENT WHICH HAS STORED THIS CODE 

    OK: END 

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