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Home >> Toyota >> 2007 >> Corolla LE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Power Door Lock - Diagnostics) >> Key Confinement Prevention Function Does Not Work Properly (Unlock Warning Switch Circuit) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Corolla and 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT UNLOCK WARNING SWITCH ASSY 
    1. Remove the unlock warning switch assy.
    2. Measure the resistance of the unlock warning switch assy continuity.

      Standard: 

      RESISTANCE CHECK SPECIFIED CONDITION

      Terminal No. Condition Specified Condition
      1 - 2 Not pushed 10 kΩ or higher
      1 - 2 Pushed Below 1 Ω
      Fig 1: Inspecting Unlock Warning Switch Assy
      G02600345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE UNLOCK WARNING SWITCH ASSY 
    2. OK: GO TO NEXT STEP 
  2. CHECK WIRE HARNESS (UNLOCK WARNING SWITCH - INSTRUMENT PANEL J/B) 
    1. Disconnect the unlock warning switch assy and instrument panel J/B connectors.
    2. Measure the resistance of the continuity between the terminals of the unlock warning switch assy and instrument panel J/B connectors, as shown in the illustration and table.

      Standard (Check for open): 

      RESISTANCE CHECK SPECIFIED CONDITION

      Symbols (Terminal No.) (Unlock warning switch - Instrument panel J/B) Specified Condition
      (U1-2) - KSW (IJ-8) Below 1 Ω
      (U1-1) - Body ground
      Fig 2: Identifying Unlock Warning Switch - Instrument Panel J/B, Connectors & Terminals
      G02600346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 
    2. OK: GO TO NEXT STEP 
  3. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER'S SIDE) 
    1. Remove the courtesy lamp switch.
    2. Measure the resistance of the courtesy lamp switch continuity.

      Standard: 

      RESISTANCE CHECK SPECIFIED CONDITION

      Terminal No. Condition Specified Condition
      1 - Body ground Not pushed Below 1 Ω
      1 - Body ground Pushed 10 kΩ or higher
      Fig 3: Inspecting Front Door Courtesy Lamp Switch Assy (Driver's Side)
      G02600347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY 
    2. OK: GO TO NEXT STEP 
  4. CHECK WIRE HARNESS (FRONT DOOR COURTESY LAMP SWITCH ASSY [DRIVER'S SIDE] - INSTRUMENT PANEL J/B) 
    1. Disconnect the courtesy lamp switch and instrument panel J/B connectors.
    2. Measure the resistance of between the terminals of the courtesy lamp switch and instrument panel J/B connectors, as shown in the illustration and table.

      Standard (Check for open): 

      RESISTANCE CHECK SPECIFIED CONDITION

      Symbols (Terminal No.) (Courtesy lamp switch - Instrument panel J/B) Specified Condition
      (D4-1) - DCTY (ID-1) Below 1 Ω
      Fig 4: Identifying Front Door Courtesy Lamp Switch Assy [Driver's Side], Instrument Panel J/B, Connectors & Terminals
      G02600348Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 
    2. OK: GO TO NEXT STEP 

      REPLACE INTEGRATION RELAY 

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