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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 BUZZER 
    1. Operate the buzzers and check that the buzzers for seat belt warning, key reminder warning and light reminder warning sound normally.
      BUZZER SPECIFICATION

      All warning buzzers do not sound. A
      Seat belt warning does not sound. B
      Key reminder warning does not sound. C

      HINT:

      Key reminder buzzer: Ignition switch off, key is inserted, door is opened. Seat belt buzzer: Ignition switch is on, seat belt is unfastened.

    1. B: Go to step   2 
    2. C: Go to step   4 
    3. A: REPLACE COMBINATION METER ASSY (SEE  OVERHAUL  ) 
  2. INSPECT FRONT SEAT INNER BELT ASSY (DRIVER SIDE) 
    1. Disconnect the connector from the front seat inner belt assy (Driver Side).
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Terminal No Condition Specified condition
      B10-6 - B10-3 Seat belt is fastened 10 kΩ or higher
      B10-6 - B10-3 Seat belt is unfastened Below 1 Ω
      Fig 1: Inspecting Front Seat Inner Belt Assy (Driver Side)
      G03049745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE FRONT SEAT INNER BELT ASSY (DRIVER SIDE) 
    2. OK: Go to Next Step. 
  3. CHECK HARNESS AND CONNECTOR (BETWEEN FRONT SEAT INNER BELT ASSY (DRIVER SIDE) AND COMBINATION METER) (SEE  HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. Disconnect the C7 and B10 connectors.
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Tester Connection Specified Condition
      C7-14 - B10-6 Below 1 Ω
      C7-14 - Body ground 10 kΩ or higher
      B10-3 - Body ground Below 1 Ω
      Fig 2: Checking Between Front Seat Inner Belt Assy (Driver Side) & Combination Meter
      G03049746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: REPLACE COMBINATION METER ASSY (SEE  OVERHAUL  ) 
  4. INSPECT COMBINATION METER ASSY 
    1. Disconnect the combination meter connector.
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Tester connection Condition Specified condition
      C8-6 - Body ground Ignition key is not inserted 10 kΩ or higher
      C8-6 - Body ground Ignition key is inserted Below 1 Ω
      Fig 3: Inspecting Combination Meter Assy
      G03049747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to step   6 
    2. OK: Go to Next Step. 
  5. INSPECT COMBINATION METER ASSY 
    1. Disconnect the combination meter connector.
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Tester connection /Condition Specified condition
      C7-10 - Body ground Driver side door is closed 10 kΩ or higher
      C7-10 - Body ground Driver side door is open Below 1 Ω
      Fig 4: Inspecting Combination Meter Assy
      G03049748Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: Go to step   7 
    2. OK: REPLACE COMBINATION METER ASSY (SEE  OVERHAUL  ) 
  6. INSPECT UNLOCK WARNING SWITCH ASSY 
    1. Disconnect the connector from the unlock warning switch assy.
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Terminal No Condition Specified condition
      U1-1 - U1-2 Ignition key is not inserted 10 kΩ or higher
      U1-1 - U1-2 Ignition key is inserted Below 1 Ω
      Fig 5: Inspecting Unlock Warning Switch Assy
      G03049749Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE UNLOCK WARNING SWITCH ASSY 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (UNLOCK WARNING SWITCH CIRCUIT) 
  7. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY 
    1. Disconnect the connector from the front door courtesy lamp switch assy.
    2. Measure the resistance according to the value(s) in STANDARD REFERENCE  .

      Standard: 

      STANDARD REFERENCE

      Terminal No Condition Specified condition
      D5-1 - Body ground Driver side courtesy switch shaft is pushed in 10 kΩ or higher
      D5-1 - Body ground Driver side courtesy switch shaft is free Below 1 Ω
      Fig 6: Inspecting Front Door Courtesy Lamp Switch Assy
      G03049750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY 
    2. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (DOOR COURTESY LAMP SWITCH CIRCUIT) 
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