LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 470 (Power Door Lock Control System - Diagnostics) >> Power Door Lock Control System >> 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 2004 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. Inspect the unlock warning switch assy continuity, as shown in the illustration and table.

      Standard: 

      Fig 1: Continuity Warning Switch Chart
      G02861084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Inspecting Unlock Warning Switch Assy
      G02861085Courtesy 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. Check 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): 

      Fig 3: Continuity Terminals Chart
      G02861086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Locating Unlock Warning Switch Assy And Instrument Panel J/B Connectors
      G02861087Courtesy 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. Inspect the courtesy lamp switch continuity, as shown in the illustration and table.

      Standard: 

      Fig 5: Courtesy Lamp Switch Continuity Chart
      G02861088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 6: Removing Courtesy Lamp Switch
      G02861089Courtesy 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. Check the continuity 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): 

      Fig 7: Courtesy Lamp Switch Chart
      G02861090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 8: Locating Courtesy Lamp Switch And Instrument Panel J/B Connectors
      G02861091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR 
    2. OK: REPLACE INTEGRATION RELAY