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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. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - RADIO AND NAVIGATION ASSEMBLY) 
    1. Disconnect the connectors from the radio and navigation assembly R5 and combination meter assembly C7.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester connection Condition Specified condition
      SPD - C7-36 Always Below 1 Ω
      SPD - Body ground Always 10 kΩ or higher
      Fig 1: Identifying Radio And Navigation Assembly R5 Connector Terminals
      G04387721Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Identifying Combination Meter Assembly C7 Connector Terminals
      G04387722Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  2. INSPECT COMBINATION METER ASSEMBLY 
    1. Connect the combination meter assembly connector C7.
    2. Fig 3: Connecting Combination Meter Assembly Connector C7
      G04387723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the voltage.
      1. Move the shift lever to the neutral position.
      2. Jack up either one of the front wheels.
      3. Turn the ignition switch to the ON position.
      4. Measure the voltage between terminal C7-36 and body ground of the combination meter assembly when the front wheels are turned slowly.

        OK: Voltage is pulsed as shown below. 

        Fig 4: View Of Voltage Pulses/Blinking Pattern
        G04050156Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: GO TO  COMBINATION METER SYSTEM 

    OK: REPLACE RADIO AND NAVIGATION ASSEMBLY