Inspection Procedure

1. Apply the battery voltage to the door lock motor and check the operation of the door lock motor.

   Standard 

   MEASUREMENT CONDITION AND SPECIFIED CONDITION
   
   

   Measurement Condition	Specified Condition
   Battery positive (+) ↓ Terminal 4 Battery negative (-) ↓ Terminal 2	Locks
   Battery positive (+) ↓ Terminal 2 Battery negative (-) ↓ Terminal 4	Unlocks

2. Measure the resistance of the unlock detection switch.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Door Lock Condition	Specified Condition
   7-8	Locked	10 kΩ or higher
   7-8	Unlocked	Below 1 Ω

   Fig 1: Identifying Front Door Lock Assembly Connector Terminals (LH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE FRONT DOOR LOCK ASSEMBLY LH 

OK: Go TO NEXT STEP 

1. Disconnect the E6 and 1L main body ECU connectors.
   Fig 2: Identifying E6 & 1L Main Body ECU & H6 Front Door Lock Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the H6 front door lock assembly LH connector.
3. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   1L-9 (ACT+) - H6-4	Below 1 Ω
   E6-10 (ACTD) - H6-1	Below 1 Ω
   E6-21 (LSWD) - H6-8	Below 1 Ω
   H6-7 - Body ground	Below 1 Ω
   1L-9 (ACT+) or H6-4 - Body ground	10 kΩ or higher
   E6-10 (ACTD) or H6-1 - Body ground	10 kΩ or higher
   E6-21 (LSWD) or H6-8 - Body ground	10 kΩ or higher

4. Reconnect the main body ECU connectors.
5. Reconnect the front door lock assembly LH connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE MAIN BODY ECU