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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Power Door Lock Control System >> Only Passenger Door LOCK / UNLOCK Functions do not Operate >> Inspection Procedure

Inspection Procedure

  1. PERFORM ACTIVE TEST BY INTELLIGENT TESTER OR TECHSTREAM (FRONT DOOR LOCK RH) 
    1. Select the Active Test, use the intelligent tester or Techstream to generate a control command, and then check the door lock motor function.
      1. Intelligent tester

        P-DOOR (Front door ECU RH) 

        INTELLIGENT TESTER - P-DOOR (FRONT DOOR ECU RH)

        Tester Display Test Part Control Range Diagnostic Note
        DOOR LOCK Operate door lock motor LOCK or UNLOCK -
      2. Techstream

        Passenger Door (Front door ECU RH) 

        TECHSTREAM - PASSENGER DOOR (FRONT DOOR ECU RH)

        Tester Display Test Part Control Range Diagnostic Note
        Door Lock Operate door lock motor Lock or Unlock -

        Result 

        RESULT REFERENCE

        Result Proceed to
        Front door lock RH operates normally OK
        Front door lock RH does not operate normally NG

        OK: Door locks/unlocks. 

    NG: Go to step   4 

    OK: GO TO NEXT STEP 

  2. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (DOOR LOCK POSITION SWITCH) 
    1. Use the Data List to check if the door lock position switch is functioning properly.
      1. Intelligent tester

        P-DOOR (Front door ECU RH) 

        INTELLIGENT TESTER - P-DOOR (FRONT DOOR ECU RH)

        Tester Display Measurement Kern/Range Normal Condition Diagnostic Note
        LOCK POS SW Front passenger side door lock position switch signal/ON or OFF ON: Front passenger side door is unlocked
        OFF: Front passenger side door is locked        		 -
      2. Techstream

        Passenger Door (Front door ECU RH) 

        TECHSTREAM - PASSENGER DOOR (FRONT DOOR ECU RH)

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        Lock Position SW Front passenger side door lock position switch signal/ON or OFF ON: Front passenger side door is unlocked
        OFF: Front passenger side door is locked        		 -

        OK: On tester screen, item changes between ON and OFF according to above chart. 

    NG: Go to step   8 

    OK: GO TO NEXT STEP 

  3. CHECK FRONT DOOR ECU RH (OPERATION) 
    1. Replace the front door ECU RH with a normal one (see INSTALLATION ).
    2. Check that all doors can be locked and unlocked by using the master switch.

      OK: All doors can be locked and unlocked with master switch. 

    NG: REPLACE MAIN BODY ECU 

    OK: END (FRONT DOOR ECU RH IS DEFECTIVE) 

  4. INSPECT FUSE (P DOOR 1, P DOOR 2) 
    1. Remove the P DOOR 1 and P DOOR 2 fuses from the passenger side junction block.
    2. Measure the resistance of the fuse.

      Standard resistance 

      FUSE (P DOOR 1, P DOOR 2)

      Tester Connection Condition Specified Condition
      P DOOR 1 fuse Always Below 1 Ω
      P DOOR 2 fuse Always Below 1 Ω

    NG: REPLACE FUSE 

    OK: GO TO NEXT STEP 

  5. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - BATTERY) 
    Fig 1: Identifying N1 ECU Connector Terminal
    G04951524Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N1 ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      FRONT DOOR ECU RH - BATTERY

      Tester Connection Condition Specified Condition
      N1-6(BDR)-Body ground Always 11 to 14 V
      N1-16(BDG1)-Body ground Always 11 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  6. INSPECT FRONT DOOR LOCK ASSEMBLY RH 
    Fig 2: Identifying Front Door Lock Connector Terminal (W/O Door Closer)
    G04951525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. w/o Door Closer:
      1. Apply battery voltage to the door lock motor and check operation of the door lock motor.

        OK 

        FRONT DOOR LOCK ASSEMBLY RH (W/O DOOR CLOSER)

        Measurement Condition Specified Condition
        Battery position (+) → Terminal 4 (L)
        Battery negative (-) → Terminal 1 (UL)        		 Lock
        Battery position (+) → Terminal 1 (UL)
        Battery negative (-) → Terminal 4 (L)        		 Unlock
    2. w/ Door Closer:
      Fig 3: Identifying Front Door Lock Connector Terminal (W/ Door Closer)
      G04951526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Apply battery voltage to the door lock motor and check operation of the door lock motor.

        OK 

        FRONT DOOR LOCK ASSEMBLY RH (W/DOOR CLOSER)

        Measurement Condition Specified Condition
        Battery position (+) → Terminal N8-4 (L)
        Battery negative (-) → Terminal N8-1 (UL)        		 Lock
        Battery position (+) → Terminal N8-1 (UL)
        Battery negative (-) → Terminal N8-4 (L)        		 Unlock

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH  (See INSTALLATION )

    OK: GO TO NEXT STEP 

  7. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - FRONT DOOR LOCK RH) 
    Fig 4: Identifying N2 ECU And N8 Door Lock Connector Terminal
    G04951527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N2 ECU connector.
    2. Disconnect the N8 door lock connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      FRONT DOOR ECU RH - FRONT DOOR LOCK RH

      Tester Connection Condition Specified Connection
      N2-1 (A-) - N8-1 (UL) Always Below 1 Ω
      N2-2 (A+) - N8-4 (L) Always Below 1 Ω
      N2-1 (A-) - Body ground Always 10 kΩ or higher
      N2-2 (A+) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE FRONT DOOR ECU RH  (See INSTALLATION )

  8. INSPECT FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK POSITION SWITCH) 
    Fig 5: Identifying Front Door Lock Connector Terminal (W/O Door Closer)
    G04951528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. w/o Door Closer:
      1. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK POSITION SWITCH) (W/O DOOR CLOSSER)

        Tester Connection Switch Condition Specified Condition
        7 (LSSR) - 8 (E) Unlock Below 1 Ω
        7 (LSSR) - 8 (E) Lock 10 kΩ or higher
    2. w/ Door closer:
      Fig 6: Identifying Front Door Lock Connector Terminal (W/ Door Closer)
      G04951529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard resistance 

        FRONT DOOR LOCK ASSEMBLY RH (DOOR LOCK POSITION SWITCH) (W/DOOR CLOSER)

        Tester Connection Switch Condition Specified Condition
        N8-7 (LSSR) - N8-8 (E) Unlock Below 1 Ω
        N8-7 (LSSR) - N8-8 (E) Lock 10 kΩ or higher

    NG: REPLACE FRONT DOOR LOCK ASSEMBLY RH  (See INSTALLATION )

    OK: GO TO NEXT STEP 

  9. CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - FRONT DOOR LOCK RH) 
    Fig 7: Identifying N2 ECU And N8 Door Lock Connector Terminal
    G04951530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the N2 ECU connector.
    2. Disconnect the N8 door lock connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      FRONT DOOR ECU RH - FRONT DOOR LOCK RH

      Tester Connection Condition Specified Connection
      N2-13 (LSWE)-N8-8(E) Always Below 1 Ω
      N2-25 (LSW) - N8-7 (LSSR) Always Below 1 Ω
      N2-13 (LSWE)-Body ground Always 10 kΩ or higher
      N2-25 (LSW) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE FRONT DOOR ECU RH  (See INSTALLATION )

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