Last Modified: 6-7-2017 6.8:8.0.40 Doc ID: RM0000017AJ004X
Model Year Start: 2007 Model: Land Cruiser Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: WIRELESS 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.

Wireless door lock control system

Symptom

Suspected Area

See page

All functions of wireless door lock control system do not operate

1. ECU Power Source Circuit

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

2. Door Courtesy Switch Circuit

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

3. Door Key Lock and Unlock Switch Circuit

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

4. Key Unlock Warning Switch Circuit

2007 MY Land Cruiser [08/2006 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Unlock Warning Switch Circuit

5. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

6. Body ECU

-

7. Door Unlock Detection Switch Circuit

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

8. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

Only door lock operation is not possible (Unlock operation is possible)

1. Door Key Lock and Unlock Switch Circuit

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

2. Body ECU

-

Only transmitter misoperation prevention function is not possible

1. Key Unlock Warning Switch Circuit

2007 MY Land Cruiser [08/2006 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Unlock Warning Switch Circuit

2. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

3. Body ECU

-

Wireless door lock functions operates even when each door is opened

1. Door Courtesy Switch Circuit

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

2. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

3. Body ECU

-

Wireless door lock functions incorrectly. (Although one door is unlocked, when the transmitter switch is pressed, all doors unlock)

1. Door Unlock Detection Switch Circuit

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

2. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

3. Body ECU

-

Wireless door lock operates, but the taillights do not respond

1. Taillight Relay Circuit

2007 MY Land Cruiser [08/2006 -        ]; LIGHTING: LIGHTING SYSTEM: Taillight Relay Circuit

2. Taillight Circuit

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3. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION

4. Body ECU

-

Wireless door lock does not operate

1. Wireless Door Lock Control Circuit

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: B1242; Wireless Door Lock Tuner Circuit Malfunction

2. Door Control Receiver

2007 MY Land Cruiser [08/2006 -        ]; DOOR LOCK: DOOR CONTROL RECEIVER: ON-VEHICLE INSPECTION