Inspection Procedure

1. Select the Active Test, use the Techstream to generate a control command, and then check that the door lock motor function.

   Driver Door (Front door ECU LH) 

   DOOR LOCK MOTOR FUNCTION CHART
   
   

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

   Result 

   RESULT REFERENCE
   
   

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

NG: Go to step  4

OK: Go to Next Step 

1. Use the Data List to check if the door lock position switch is functioning properly.

   Driver Door (Front door ECU LH) 

   MEASUREMENT ITEM/RANGE CHART
   
   

   Tester Display	Measurement Item/Range	Normal Condition
   Lock Position SW	Driver side door lock position switch signal/ON or OFF	ON: Driver side door is unlocked OFF: Driver 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 

1. Replace the front door ECU LH 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 LH IS DEFECTIVE) 

1. Remove the D DOOR 1 and D DOOR 2 fuses from the main body ECU.
2. Measure the resistance of the fuse.

   Standard Resistance 

   STANDARD RESISTANCE
   
   

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

NG: REPLACE FUSE 

OK: Go to Next Step 

1. Disconnect the N10 ECU connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   STANDARD VOLTAGE
   
   

   Tester Connection	Condition	Specified Condition
   N10-6 (BDR) - Body ground	Always	11 to 14 V
   N10-16 (BDG1) - Body ground	Always	11 to 14 V

   Fig 1: Identifying N10 ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to Next Step 

Fig 2: Inspecting Front Door Lock Assembly LH - w/o Door Closer

Courtesy 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 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION
      
      

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

      Fig 3: Inspecting Front Door Lock Assembly LH - w/ Door Closer

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. w/ Door Closer:
   1. Apply battery voltage to the door lock motor and check operation of the door lock motor.

      OK 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION
      
      

      Measurement Condition	Specified Condition
      Battery positive (+) → Terminal N15-4 (L) Battery negative (-) → Terminal N15-1 (UL)	Lock
      Battery positive (+) → Terminal N15-1 (UL) Battery negative (-) → Terminal N15-4 (L)	Unlock

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

OK: Go to Next Step 

Fig 4: Identifying N15 Door Lock Connector And N9 ECU Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the N15 door lock connector.
2. Disconnect the N9 ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   N15-1 (UL) - N9-1 (A-)	Always	Below 1 Ω
   N15-4 (L) - N9-2 (A+)	Always	Below 1 Ω
   N15-1 (UL) - Body ground	Always	10 kΩ or higher
   N15-4 (L) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE FRONT DOOR ECU LH  (See INSTALLATION )

Fig 5: Inspecting Front Door Lock Assembly LH (Door Lock Position Switch) - w/o Door Closer

Courtesy 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 

      STANDARD RESISTANCE
      
      

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

      Fig 6: Inspecting Front Door Lock Assembly LH (Door Lock Position Switch) - w/ Door Closer

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. w/ Door Closer:
   1. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      STANDARD RESISTANCE
      
      

      Tester Connection	Switch Condition	Specified Condition
      N15-7 (E) - N15-8 (LSSR)	Unlock	Below 1 Ω
      N15-7 (E) - N15-8 (LSSR)	Lock	10 kΩ or higher

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

OK: Go to Next Step 

Fig 7: Identifying N9 ECU Connector And N15 Door Lock Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the N9 ECU connector.
2. Disconnect the N15 door lock connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   N9-13 (LSWE) - N15-7 (E)	Always	Below 1 Ω
   N9-25 (LSW) - N15-8 (LSSR)	Always	Below 1 Ω
   N9-13 (LSWE) - Body ground	Always	10 kΩ or higher
   N9-25 (LSW) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE FRONT DOOR ECU LH  (See INSTALLATION )