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Inspection Procedure

  1. INSPECT UNLOCK WARNING SWITCH ASSY 
    1. Remove the unlock warning switch.
    2. Measure the resistance of the switch.

    Standard: 

    UNLOCK WARNING SWITCH RESISTANCE SPECIFICATIONS

    Tester Connection Switch Condition Specified Condition
    1 - 2 Not pushed 10 kΩ or higher
    1 - 2 Pushed Below 1 Ω
    Fig 1: Inspecting Unlock Warning Switch Assy
    G03096535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE UNLOCK WARNING SWITCH ASSY 
    1. OK: GO TO NEXT STEP 
  2. CHECK WIRE HARNESS (UNLOCK WARNING SWITCH ASSY - DOOR CONTROL RELAY ASSY AND BODY GROUND) 
    1. Disconnect the U1 switch connector.
    2. Disconnect the D4 relay connector.
    3. Measure the resistance of the wire harness side connectors.

    Standard: 

    WIRE HARNESS SIDE CONNECTORS (U1 AND D4) RESISTANCE SPECIFICATIONS

    Tester Connection Specified Condition
    U1-2 - D4-8 (KSW) Below 1 Ω
    U1-1 - Body ground Below 1 Ω
    Fig 2: Identifying Wire Harness Side Connectors (U1 And D4)
    G03096536Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    1. OK: GO TO NEXT STEP 
  3. INSPECT FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER SIDE) 
    1. Remove the courtesy lamp switch.
    2. Measure the resistance of the switch.

    Standard: 

    FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER SIDE) RESISTANCE SPECIFICATIONS

    Tester Connection Switch 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 Side)
    G03096537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER SIDE) 
    1. OK: GO TO NEXT STEP 
  4. CHECK WIRE HARNESS (FRONT DOOR COURTESY LAMP SWITCH ASSY (DRIVER SIDE) - DOOR CONTROL RELAY ASSY) 
    1. Disconnect the D5 switch connector.
    2. Disconnect the D4 relay connector.
    3. Measure the resistance of the wire harness side connectors.

    Standard: 

    WIRE HARNESS SIDE CONNECTORS (D5 AND D4) RESISTANCE SPECIFICATIONS

    Tester Connection Specified Condition
    D5-1 - D4-5 (DCTY) Below 1 Ω
    Fig 4: Identifying Wire Harness Side Connectors (D5 And D4)
    G03096538Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    1. OK: REPLACE DOOR CONTROL RELAY ASSY