Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM000001DPM001X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE; 2007 MY LX470 [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 LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Power Source Circuit

2. ECU power source circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: ECU Power Source Circuit

3. Door lock control switch circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Lock Control Switch Circuit

4. Theft deterrent ECU

-

5. Power window regulator master switch

-

6. Body ECU (Main)

-

Driver side door lock does not operate

1. Door lock lock / unlock switch circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Key Lock / Unlock Switch Circuit

2. Door lock motor circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Lock Motor Circuit

3. Power window regulator master switch

-

4. Theft deterrent ECU

-

5. Body ECU (Main)

-

Door key related function cannot be performed

1. Door lock lock / unlock switch circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Key Lock / Unlock Switch Circuit

2. Theft deterrent ECU

-

3. Power window regulator master switch

-

4. Body ECU (Main)

-

Key confinement prevention function does not operate

1. Door courtesy switch circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: KEY REMINDER WARNING SYSTEM: Door Courtesy Switch Circuit

2. Door unlock detection switch circuit

2007 MY LX470 [08/2006 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Unlock Detection Switch Circuit

3. Theft deterrent ECU

-

4. Power window regulator master switch

-

5. Body ECU (Main)

-