Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Section 1008 (Power Door Lock Control System): Inspection
- Connector disconnected:
INSPECT POWER WINDOW MASTER SWITCH CIRCUIT
Disconnect the connectors from the switch and inspect connector on the wire harness side.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SPECIFIED CONDITION TABLETester connection Condition Specified condition 9 - Ground Always Continuity 1,5 - Ground Always Battery Positive Voltage 2, 4 - Ground Ignition switch LOCK No voltage 2, 4 - Ground Ignition switch ACC or ON Battery Positive Voltage 15 - Ground (LHD) Driver's door key lock and unlock switch LOCK No Continuity 15 - Ground (LHD) Driver's door key lock and UNLOCK Continuity 16 - Ground Each door courtesy switch ON (door opened) No Continuity 16 - Ground Each door courtesy switch OFF (door closed) Continuity 6 - Ground (RHD) Driver's door key lock and unlock switch LOCK No Continuity 6 - Ground (RHD) Driver's door lock and unlock switch UNLOCK Continuity If circuit is not as specified, inspect power source or wire harness.
- INSPECT POWER WINDOW MASTER SWITCH CIRCUIT (See POWER WINDOW MASTER SWITCH CIRCUIT )
- INSPECT DOOR KEY LOCK AND UNLOCK SWITCH CONTINUITY SPECIFIED CONDITION TABLE
Switch position Tester connection Specified condition LOCK 2-4 Continuity OFF - No continuity UNLOCK 2-3 Continuity If continuity is not as specified, replace the door lock assembly.
- INSPECT DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CONTINUITY
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SPECIFIED CONDITION TABLESwitch position Tester connection Specified condition OFF (Door Lock set to LOCK) - No continuity ON (Door Lock set to UNLOCK) 1-2 Continuity If continuity is not as specified, replace the door lock assembly.
- INSPECT PASSENGER DOOR UNLOCK DETECTION SWITCH CONTINUITY SPECIFIED CONDITION TABLE
Switch position Tester connection Specified condition OFF (Door Lock set to LOCK) - No continuity ON (Door Lock set to UNLOCK) 3-4 Continuity If continuity is not as specified, replace the door lock assembly.
- INSPECT REAR DOOR UNLOCK DETECTION SWITCH CONTINUITY SPECIFIED CONDITION TABLE
Switch position Tester connection Specified condition OFF (Door Lock set to LOCK) - No continuity ON (Door Lock set to UNLOCK) 1-2 (LH side)
3-4 (RH side)Continuity If continuity is not as specified, replace the door lock assembly.
- INSPECT BACK DOOR OPENER SWITCH CONTINUITY SPECIFIED CONDITION TABLE
Switch position Tester connection Specified condition OFF - No continuity ON 1-2 Continuity If continuity is not as specified, replace the switch.
- INSPECT DOOR LOCK MOTOR AND J/B CIRCUIT
- Remove the body ECU from the driver's side junction block.
- Connect the positive (+) lead from the battery to J/B terminal 9 and the negative (-) lead to J/B terminal 10, and check that the door lock link moves to LOCK position.
- Reverse the polarity and check that the door link moves to UNLOCK position.
If operation is not as specified, inspect door lock motor.
- INSPECT DRIVER SIDE DOOR LOCK MOTOR OPERATION
- Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 6, and check that the door lock link moves to LOCK position.
- Reverse the polarity and check that the door lock link moves to UNLOCK position.
If operation is not as specified, replace the door lock assembly.
- INSPECT PASSENGER SIDE DOOR LOCK MOTOR OPERATION
- Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the door lock link moves to LOCK position.
- Reverse the polarity and check that the door lock link moves to UNLOCK position.
If operation is not as specified, replace the door lock assembly.
- INSPECT REAR DOOR LOCK MOTOR OPERATION ( ): RH side
- Connect the positive (+) lead from the battery to terminal 3 (1) and the negative (-) lead to terminal 4 (2), and check that the door lock link moves to LOCK position.
- Reverse the polarity and check that the door lock lint moves to UNLOCK position.
If operation is not as specified, replace the door lock assembly.
- INSPECT DOOR LOCK MOTOR CIRCUIT (See DOOR LOCK MOTOR CIRCUIT )
- INSPECT LUGGAGE COMPARTMENT DOOR OPENER MOTOR OPERATION
Connect positive (+) lead to the terminal 1 and negative (-) lead to the opener motor body, and check that the motor operates. If operation is not as specified, replace the motor assembly.
- INSPECT LUGGAGE COMPARTMENT DOOR OPENER MOTOR CIRCUIT (See LUGGAGE OPENER RELAY AND MOTOR )
- INSPECT BACK DOOR OPENER MOTOR OPERATION
Connect positive (+) lead to the terminal 1 and negative (-) lead to the terminal 2, and check that the motor operates.
If operation is not as specified, replace the motor assembly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.