Last Modified: 4-30-2014 6.6 T Doc ID: RM000001B6F000X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY LX470 [05/2005 -        ]

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 window control system

Symptom

Suspected area

See page

All power windows do not operate

1. Power source circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Power Source Circuit

2. Power window switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1221; Power Window Switch Circuit on Driver Door

3. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

Driver side power window does not operate

1. Power window motor circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Driver Side Power Window Motor Circuit

2. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

Jam protection function and auto up or down function do not operate

1. Jam protection limit switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1231; Jam Protection Limit Switch Circuit on Driver Door

2. Jam protection pulse switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1232; Jam Protection Pulse Switch Circuit on Driver Door

3. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

4. Theft warning ECU assembly

2006 MY LX470 [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: Power Source Circuit

Window lock function does not operate

1. Power window switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1221; Power Window Switch Circuit on Driver Door

2. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

Remote control of all windows (except driver side) does not operate with master switch (window operates normally with each switch of master switch)

1. Power window switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1221; Power Window Switch Circuit on Driver Door

2. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

Key related power window operations cannot be done with driver door key cylinder (master switch operation is normal)

1. Door key lock and unlock switch circuit

2006 MY LX470 [05/2005 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

2. Inspect door lock control system

2006 MY LX470 [05/2005 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

3. Power window switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1221; Power Window Switch Circuit on Driver Door

4. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU

Power window does not operate with keyless entry transmitter (windows operate normally with master switch)

1. Inspect wireless door lock control system

2006 MY LX470 [05/2005 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

2. Replace power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; ENGINE HOOD / DOOR: FRONT DOOR: DISASSEMBLY

3. Theft warning ECU assembly

2006 MY LX470 [05/2005 -        ]; THEFT DETERRENT: THEFT DETERRENT SYSTEM: PROBLEM SYMPTOMS TABLE

Window moves down without being ordered during up operation

1. Jam protection limit switch circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: B1231; Jam Protection Limit Switch Circuit on Driver Door

2. Power window motor circuit

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Driver Side Power Window Motor Circuit

3. Power window regulator master switch assembly

2006 MY LX470 [05/2005 -        ]; WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: TERMINALS OF ECU