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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT RADIO AND NAVIGATION ASSY 
    1. Disconnect the radio and navigation assy connector R6.
    2. Measure the resistance according to the values in SPECIFIED CONDITION  .

      Standard: 

      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 Navigation Assy
      G03049676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to step   2 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
  2. INSPECT STEERING PAD SWITCH ASSY 
    Fig 2: Identifying Connector
    G03049677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the steering pad switch assy connector.
    2. Measure the resistance according to the values in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      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
    1. NG: REPLACE STEERING PAD SWITCH ASSY (SEE  REPLACEMENT  ) 
    2. OK: Go to Next Step. 
  3. INSPECT SPIRAL CABLE SUB-ASSY 
    1. Disconnect the spiral cable sub-assy connector.
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Specified condition
      EAU - EAU Below 1 Ω
      AU1 - AU1 Below 1 Ω
      AU2 - AU2 Below 1 Ω
      Fig 3: Measuring Resistance According To Value
      G03049678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE SPIRAL CABLE SUB-ASSY (SEE  SPIRAL CABLE  ) 
    2. OK: Go to Next Step. 
  4. CHECK HARNESS AND CONNECTOR (SPIRAL CABLE SUB-ASSY - RADIO AND NAVIGATION ASSY) 
    1. Disconnect the connectors from the spiral cable subassy C10 and radio and navigation assy R6.
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      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 & Navigation Assy
      G03049679Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Identifying Connector
      G03049680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  ) 
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