LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2007 >> Matrix Base, Standard >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Door Lock >> Power Door Lock Control System >> Key Lock-in Prevention Function does not Work Properly >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. INSPECT UN-LOCK WARNING SWITCH ASSEMBLY 
    1. Remove the key unlock warning switch.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      1 - 2 Not Pushed 10 kΩ or higher
      1 - 2 Pushed Below 1 Ω

    NG: REPLACE UN-LOCK WARNING SWITCH ASSEMBLY 

    Fig 1: Inspecting Un-Lock Warning Switch Assembly
    G05195856Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  2. CHECK HARNESS AND CONNECTOR (UN-LOCK WARNING SWITCH - INSTRUMENT PANEL J/B) 
    1. Disconnect the U1 unlock warning switch and IJ instrument panel J/B connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Check for open) 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      2 (U1-2) - KSW(IJ-8) Below 1 Ω
      1 (U1-1) - Body ground Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 2: Checking Harness And Connector (Un-Lock Warning Switch - Instrument Panel J/B)
    G05196030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  3. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (DRIVER SIDE) 
    1. Remove the courtesy light switch.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1 - Body ground Free Below 1 Ω
      1 - Body ground Push 10 kΩ or higher

    NG: REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY 

    Fig 3: Inspecting Front Door Courtesy Light Switch Assembly (Driver Side)
    G05236963Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to Next Step 

  4. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH INSTRUMENT PANEL J/B) 
    1. Disconnect the D7 courtesy light switch and ID instrument panel J/B connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance (Check for open) 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      1 (D7-1) - DCTY (ID-1) Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Fig 4: Checking Harness And Connector (Front Door Courtesy Light Switch Instrument Panel J/B)
    G05236964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : REPLACE INTEGRATION RELAY 

scientia non olet · About LEMON Manuals