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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: Disconnecting Courtesy Lamp Switch
      G03049682Courtesy 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.
    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 2: Identifying Courtesy Lamp Switch
      G03049683Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 3: Identifying Stereo Components Amplifier
      G03049684Courtesy 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)