LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2007 >> Land Cruiser >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/Window Glass >> Power Window Control System >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

HINT:

Use PROBLEM SYMPTOMS TABLE  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" . Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Power window control system 

PROBLEM SYMPTOMS TABLE

Symptom Suspected area Reference
All power windows do not operate 1. Power source circuit POWER SOURCE CIRCUIT 
2. Power window regulator master switch assembly TERMINALS OF ECU 
Driver side power window does not operate 1. Power window motor circuit DRIVER SIDE POWER WINDOW MOTOR CIRCUIT 
2. Power window regulator master switch assembly TERMINALS OF ECU 
Jam protection function and auto up or down function do not operate 1. Jam protection limit and pulse switch circuit (driver side) DTC B1231 Jam Protection Limit Switch Circuit on Driver Door 
2. Jam protection limit and pulse switch circuit (front passenger side) FRONT PASSENGER SIDE JAM PROTECTION LIMIT/PULSE SWITCH CIRCUIT 
3. Jam protection limit and pulse switch circuit (rear LH) REAR JAM PROTECTION LIMIT/PULSE SWITCH LH CIRCUIT 
4. Jam protection limit and pulse switch circuit (rear RH) REAR JAM PROTECTION LIMIT/PULSE SWITCH RH CIRCUIT 
5. Power window regulator master switch assembly TERMINALS OF ECU 
6. Theft warning ECU assembly TERMINALS OF ECU
Window lock function does not operate 1. Power window regulator master switch assembly 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 regulator master switch assembly 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 DOOR KEY LOCK/UNLOCK SWITCH CIRCUIT
2. Door courtesy light and courtesy switch circuit DOOR COURTESY SWITCH CIRCUIT
3. Power window regulator master switch assembly 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 CUSTOMIZE PARAMETERS
2. Replace power window regulator master switch assembly DISASSEMBLY
3. Theft warning ECU assembly TERMINALS OF ECU