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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. CHECK SYMPTOM 
    1. Check if sound is momentarily muted while opening or closing the convertible top.

      OK: Sound is momentarily muted. 

    1. NG: Go to step   2 
    2. OK: REPLACE STEREO COMPONENT AMPLIFIER ASSY (SEE  REPLACEMENT  ) 
  2. INSPECT COURTESY LAMP SWITCH 
    1. Disconnect the courtesy lamp switch.
    2. Measure the resistance according to the value(s) in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      1-2 ON (Shaft is not pressed) Below 1 Ω
      1-2 OFF (Shaft is pressed) 10 kΩ or higher
      Fig 1: Inspecting Courtesy Lamp Switch
      G03049475Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE COURTESY LAMP SWITCH 
    2. OK: Go to Next Step. 
  3. CHECK HARNESS AND CONNECTOR (COURTESY LAMP SWITCH - STEREO COMPONENT AMPLIFIER ASSY) 
    1. Disconnect the connectors from the stereo component amplifier assy and courtesy lamp switch.
      Fig 2: Disconnecting Courtesy Lamp Switch
      G03049476Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the values in SPECIFIED CONDITION  .

      Standard: 

      SPECIFIED CONDITION

      Tester connection Condition Specified condition
      TSSW - 1 Always Below 1 Ω
      TSSW - Body ground Always 10 kΩ or higher
      Fig 3: Checking Courtesy Lamp Switch - Stereo Component Amplifier Assy
      G03049477Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (COURTESY LAMP SWITCH - BODY GROUND)