Toyota Sienna Service Manual: Problem symptoms table

Toyota Sienna Service Manual / Windshield / windowglass / Power window control system (w/ Jam Protection Function) / Problem symptoms table

POWER WINDOW CONTROL SYSTEM (W/ JAM PROTECTION)

Symptom	Suspected Area
AUTO UP/DOWN function does not operate	Power window regulator motor assembly (Driver side) Wire harness Power window regulator master switch assembly
Remote UP/DOWN function does not operate	Power window regulator motor assembly (Driver side) Power window regulator master switch assembly Wire harness
Manual UP/DOWN function does not operate on driver side	P/W fuse Power window regulator master switch assembly Power window regulator motor assembly (Driver side) Wire harness
Manual UP/DOWN function does not operate on passenger side only	Power window regulator switch assembly (Passenger side) Power window regulator motor assembly (Passenger side) Wire harness
Manual UP/DOWN function does not operate on rear LH only	Power window regulator switch assembly rear (Rear LH) Power window regulator motor assembly LH (Rear LH) Wire harness
Manual UP/DOWN function does not operate on rear RH only	Power window regulator switch assembly rear (Rear RH) Power window regulator motor assembly RH (Rear RH) Wire harness
Power windows do not operate at all	PWR fuse ECU-IG fuse P/W relay IG1 relay Power window regulator master switch assembly Wire harness Driver side J/B assembly (Multiplex network body ECU)
Power window can be operated after ignition switch is turned OFF even if operative conditions are not met	Front door courtesy lamp switch Wire harness Driver side J/B assembly (Multiplex network body ECU)
AUTO UP operation does not fully close power window (Jam protection function is activated)	Front door glass run LH Front door window glass LH Front door window regulator sub-assembly LH
Power window can be operated by wireless operation	Driver side J/B assembly (Multiplex network body ECU)

Initialization

NOTICE: Resetting the power window motor (initializing the pulse sensor) is necessary when the battery terminal is disconnected; when the master switch, wire harness, power window regu ...

Diagnosis system

1. CHECK DLC3 The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. N ...

Other materials:

Passenger Side Buckle Switch Circuit Malfunction
DTC B1771 Passenger Side Buckle Switch Circuit Malfunction DESCRIPTION The passenger side buckle switch circuit consists of the occupant classification ECU and the front seat inner belt assembly RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch ci ...

DVD Player Mechanical Error/ DVD Insertion and Ejection Error/ DVD Reading Abnormal
DTC 44-10 DVD Player Mechanical Error DTC 44-11 DVD Insertion and Ejection Error DTC 44-12 DVD Reading Abnormal DESCRIPTION DTC No. DTC Detecting Condition Trouble Area 44-10 A mechanical error in the DVD player is detected while the DVD is not being inser ...

Correct driving posture
Adjust the angle of the seatback so that you are sitting straight up and so that you do not have to lean forward to steer. Adjust the seat so that you can depress the pedals fully and so that your arms bend slightly at the elbow when gripping the steering wheel. Lock the head rest ...