Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM0000017BZ004X
Model Year Start: 2007 Model: Land Cruiser Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE; 2007 MY Land Cruiser [08/2006 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Power door lock control system

Symptom

Suspected Area

See page

All the doors cannot be locked or unlocked

1. Power source circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Power Source Circuit

2. ECU Power source circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: ECU Power Source Circuit

3. Door lock control switch circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Lock Control Switch Circuit

4. Theft deterrent ECU

-

5. Power window regulator master switch

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL SWITCH: COMPONENTS

6. Body ECU

-

Driver side door lock does not operate

1. Door key lock / unlock switch circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Key Lock / Unlock Switch Circuit

2. Door lock motor circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Lock Motor Circuit

3. Power window regulator master switch

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL SWITCH: COMPONENTS

4. Theft deterrent ECU

-

5. Body ECU

-

Door key related function cannot be performed

1. Door key lock / unlock switch circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Key Lock / Unlock Switch Circuit

2. Door courtesy switch circuit

2007 MY Land Cruiser [08/2006 -        ]; LIGHTING: FRONT DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION

3. Theft deterrent ECU

-

4. Power window regulator master switch

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL SWITCH: COMPONENTS

5. Body ECU

-

Key confinement prevention function does not operate

1. Door courtesy switch circuit

2007 MY Land Cruiser [08/2006 -        ]; LIGHTING: FRONT DOOR COURTESY SWITCH: ON-VEHICLE INSPECTION

2. Door unlock detection switch circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Unlock Detection Switch Circuit

3. Theft deterrent ECU

-

4. Power window regulator master switch

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL SWITCH: COMPONENTS

5. Body ECU

-