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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 RADIO AND NAVIGATION ASSEMBLY 
    1. Disconnect the radio and navigation assembly connector R6.
    2. Measure the resistance according to the values in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester connection Condition Specified condition
      SW1 - SWG No switch is pushed Approx. 100 kΩ
      SW1 - SWG SEEK+ switch: pushed Approx. 0 Ω
      SW1 - SWG SEEK- switch: pushed Approx. 0.3 kΩ
      SW1 - SWG VOL+ switch: pushed Approx. 1 kΩ
      SW1 - SWG VOL- switch: pushed Approx. 3.2 kΩ
      SW2 - SWG No switch is pushed Approx. 100 kΩ
      SW2 - SWG MODE switch: pushed Approx. 0 Ω
      Fig 1: Identifying Radio And Navigation Assembly Connector R6 Terminals
      G04387702Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: Go to step   2 

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

  2. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Disconnect the steering pad switch assembly connector.
    2. Measure the resistance according to the values in the table below.

      Standard resistance 

      STEERING PAD SWITCH ASSEMBLY CONNECTOR RESISTANCE SPECIFICATIONS

      Tester connection Condition Specified condition
      AU1 (12) - EAU (10) No switch is pushed Approx. 100 kΩ
      AU1 (12) - EAU (10) SEEK+ switch: pushed Approx. 0 Ω
      AU1 (12) - EAU (10) SEEK- switch: pushed Approx. 0.3 kΩ
      AU1 (12) - EAU (10) VOL+ switch: pushed Approx. 1 kΩ
      AU1 (12) - EAU (10) VOL- switch: pushed Approx. 3.2 kΩ
      AU2 (11) - EAU (10) No switch is pushed Approx. 100 kΩ
      AU2 (11) - EAU (10) MODE switch: pushed Approx. 0 Ω
      Fig 2: Identifying Steering Pad Switch Assembly Connector Front View
      G04387703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE STEERING PAD SWITCH ASSEMBLY 

    OK: GO TO NEXT STEP 

  3. INSPECT SPIRAL CABLE SUB-ASSEMBLY 
    1. Disconnect the spiral cable sub-assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      SPIRAL CABLE SUB-ASSEMBLY RESISTANCE SPECIFIED CONDITION

      Tester connection Specified condition
      EAU - EAU Below 1 Ω
      AU1 - AU1 Below 1 Ω
      AU2 - AU2 Below 1 Ω
      Fig 3: Identifying Spiral Cable Sub-Assembly Connector Terminals
      G04387704Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE SPIRAL CABLE SUB-ASSEMBLY 

    OK: GO TO NEXT STEP 

  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSEMBLY - RADIO AND NAVIGATION ASSEMBLY) 
    1. Disconnect the connectors from the spiral cable subassembly C10 and radio and navigation assembly R6.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE SPECIFIED CONDITION

      Tester connection Specified condition
      SW1 - AU1 Below 1 Ω
      SW2 - AU2 Below 1 Ω
      SWG - EAU Below 1 Ω
      SW1 - Body ground 10 kΩ or higher
      SW2 - Body ground 10 kΩ or higher
      SWG - Body ground 10 kΩ or higher
      Fig 4: Identifying Radio And Navigation Assembly R6 Connector Terminals
      G04387705Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Identifying Spiral Cable Subassembly C10 Connector Terminals
      G04387706Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

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