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Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT APPARATUS 
    1. Choose the apparatus to be inspected.
      RESISTANCE SPECIFIED CONDITION RESISTANCE SPECIFIED CONDITION

      Apparatus Go to step
      Radio receiver assembly A
      All illuminations B

    B: GO TO  COMBINATION METER SYSTEM 

    A : GO TO NEXT STEP 

  2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - BATTERY) 
    1. Disconnect the radio receiver assembly R3 or R7 connector.
    2. Measure the voltage according to the values in the table below.

      Voltage 

      RESISTANCE SPECIFIED CONDITION RESISTANCE SPECIFIED CONDITION

      Tester connection Condition Specified condition
      ILL+ (R7-2) - Body ground (1) Light control switch TAIL 10 to 14 V
      ILL+ (R3-10) - Body ground (2) Light control switch TAIL 10 to 14 V

      (1) Separate Type Amplifier

      (2) Built-in Type Amplifier

      Fig 1: Identifying Receiver Assembly R3 And R7 Connector Terminals
      G04387532Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMBINATION METER) 
    1. Disconnect the radio receiver assembly R4 or R7 connector and combination meter C7 connector.
    2. Measure the resistance according to the values in the table below.

      Resistance 

      SPEAKER TYPE REFERENCE SPEAKER TYPE REFERENCE

      Tester connection Specified condition
      ILL- (R7-12) - C7-37 (1) Below 1 Ω
      ILL- (R7-12) - Body ground (1) 10 kΩ or higher
      ILL- (R4-5) - C7-37 (2) Below 1 Ω
      ILL- (R4-5) - Body ground (2) 10 kΩ or higher

      (1) Separate Type Amplifier

      (2) Built-in Type Amplifier

      Fig 2: Identifying Radio Receiver Assy And Combination Meter Connector Terminals
      G04387533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER - BODY GROUND) 
    1. Disconnect the combination meter C8 connector.
    2. Measure the resistance according to the value in the table below.

      Resistance 

      RESISTANCE SPECIFIED CONDITION RESISTANCE SPECIFIED CONDITION

      Tester connection Specified condition
      C8-7 - Body ground Below 1 Ω
      Fig 3: C8-7 Combination Meter Wire Harness View
      G04387534Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON  PROBLEM SYMPTOMS TABLE  

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