LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

HINT:

Power window control system: 

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
Remote UP / DOWN function does not operate Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Can communication system CAN COMMUNICATION SYSTEM
Master switch assembly REMOTE UP / DOWN FUNCTION DOES NOT OPERATE 
Driver side power window does not operate with power window master switch D door 1 fuse -
D door 2 fuse -
D-ig1- 3 fuse -
D mpx-b 1 fuse -
D-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Master switch assembly DRIVER SIDE POWER WINDOW DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Front power window regulator motor assembly (for driver side) DRIVER SIDE POWER WINDOW DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Wire harness DRIVER SIDE POWER WINDOW DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Front passenger side power window does not operate with power window regulator switch P door 1 fuse -
P door 2 fuse -
P-ig1-1 fuse -
P mpx-b fuse -
P-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Front power window regulator switch assembly (for front passenger side) FRONT PASSENGER SIDE POWER WINDOW DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Front power window regulator motor assembly (for front passenger side) FRONT PASSENGER SIDE POWER WINDOW DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Wire harness FRONT PASSENGER SIDE POWER WINDOW DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Rear power window LH does not operate with power window regulator switch D rr door fuse -
Rr-ig1-2 fuse -
Rr mpx-b 2 fuse -
Rr-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Rear power window regulator switch assembly (for rear lh) REAR POWER WINDOW LH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Rear power window regulator motor assembly (for rear lh) REAR POWER WINDOW LH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Wire harness REAR POWER WINDOW LH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Rear power window RH does not operate with power window regulator switch P rr door fuse -
Rr-ig1-1 fuse -
P mpx-b fuse -
Rr-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Rear power window regulator switch assembly (for rear rh) REAR POWER WINDOW RH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Rear power window regulator motor assembly (for rear rh) REAR POWER WINDOW RH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Wire harness REAR POWER WINDOW RH DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Driver side power window AUTO UP / DOWN function does not operate D door 1 fuse -
D door 2 fuse -
D-ig1- 3 fuse -
D mpx-b 1 fuse -
D-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Master switch assembly DRIVER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Front power window regulator motor assembly (for driver side) DRIVER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Wire harness DRIVER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH POWER WINDOW MASTER SWITCH 
Front passenger side power window AUTO UP / DOWN function does not operate P door 1 fuse -
P door 2 fuse -
P-ig1-1 fuse -
P mpx-b fuse -
P-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Front power window regulator switch assembly (for front passenger side) FRONT PASSENGER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Front power window regulator motor assembly (for front passenger side) FRONT PASSENGER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Wire harness FRONT PASSENGER SIDE POWER WINDOW AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH FRONT PASSENGER SIDE POWER WINDOW SWITCH 
Rear power window LH AUTO UP / DOWN function does not operate D rr door fuse -
Rr-ig1-2 fuse -
Rr mpx-b 2 fuse -
Rr-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Rear power window regulator switch assembly (for rear lh) REAR POWER WINDOW LH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Rear power window regulator motor assembly (for rear lh) REAR POWER WINDOW LH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Wire harness REAR POWER WINDOW LH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH LH 
Rear power window RH AUTO UP / DOWN function does not operate P rr door fuse -
Rr-ig1-1 fuse -
P mpx-b fuse -
Rr-ig1 relay -
Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Rear power window regulator switch assembly (for rear rh) REAR POWER WINDOW RH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Rear power window regulator motor assembly (for rear rh) REAR POWER WINDOW RH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
Wire harness REAR POWER WINDOW RH AUTO UP / DOWN FUNCTION DOES NOT OPERATE WITH REAR POWER WINDOW SWITCH RH 
All power windows do not operate with driver side door key cylinder or wireless transmitter Wireless door lock control system  
Power door lock control system  
Main body ECU ALL POWER WINDOWS DO NOT OPERATE WITH DRIVER SIDE DOOR KEY CYLINDER OR WIRELESS TRANSMITTER 
Key-off operation function operates even if operating conditions are not satisfied Lin communication system HOW TO PROCEED WITH TROUBLESHOOTING
Front door courtesy light switch  
Main body ECU KEY-OFF OPERATION FUNCTION OPERATES EVEN IF OPERATING CONDITIONS ARE NOT SATISFIED 
AUTO UP operation does not fully close power window (jam protection is activated) Glass position initialization AUTO UP OPERATION DOES NOT FULLY CLOSE POWER WINDOW (JAM PROTECTION FUNCTION IS ACTIVATED) 
Improper installation (door glass run) AUTO UP OPERATION DOES NOT FULLY CLOSE POWER WINDOW (JAM PROTECTION FUNCTION IS ACTIVATED) 
Power window regulator motor assembly (applicable location) AUTO UP OPERATION DOES NOT FULLY CLOSE POWER WINDOW (JAM PROTECTION FUNCTION IS ACTIVATED) 
Jam protection function does not operate Glass position initialization JAM PROTECTION FUNCTION DOES NOT OPERATE 
Power window regulator motor assembly (applicable location) JAM PROTECTION FUNCTION DOES NOT OPERATE 
Wire harness JAM PROTECTION FUNCTION DOES NOT OPERATE 
All power window UP functions do not operate with entry lock switch Entry lock switch assembly ALL POWER WINDOW UP FUNCTIONS DO NOT OPERATE WITH ENTRY LOCK SWITCH 
Main body ECU ALL POWER WINDOW UP FUNCTIONS DO NOT OPERATE WITH ENTRY LOCK SWITCH 
Auto down operation does not fully open power window Glass position initialization AUTO UP OPERATION DOES NOT FULLY CLOSE POWER WINDOW (JAM PROTECTION FUNCTION IS ACTIVATED)