Luggage Compartment Door Lock Circuit: Procedure

WARNING: This page is about a different car, the 2011 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST USING TECHSTREAM (DOOR LOCK)

Connect Techstream to the DLC3.
Turn the ignition switch on (IG).
Turn the tester on.
Enter the following menus: Body Electrical / Main Body / Active Test.

Perform the Active Test according to the display on the tester.

MAIN BODY:

Tester Display	Test Part	Control Range	Diagnostic Note
Door Lock	Operate door lock motor	LOCK / UNLOCK	-

Door lock is locked / unlocked.

NG → See step 2

OK → PROCEED TO PROBLEM SYMPTOMS TABLE NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

INSPECT LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (DOOR LOCK MOTOR)

Remove the luggage compartment door lock assembly.

Fig 1: Inspecting Luggage Compartment Door Lock Assembly (Door Lock Motor)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Voltage

Measurement Condition	Specified Condition
Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	Unlock
Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Lock

NG → REPLACE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY

OK: Go to next step

CHECK WIRE HARNESS (LUGGAGE COMPARTMENT DOOR LOCK - INSTRUMENT PANEL J/B)

Disconnect the D7 and K22 connectors.

Fig 2: Identifying Luggage Compartment Door Lock And Instrument Panel J/B Connector Terminal Identification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance of the wire harness side connectors.

Resistance

Tester Connection	Condition	Specified Condition
D7-1 (TR+) - K22-1	Always	Below 1 Ω
K22-2 - Body ground	Always	Below 1 Ω

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → PROCEED TO PROBLEM SYMPTOMS TABLE NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE