POWER WINDOW CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Note

If the body ECU has been replaced, it is necessary to initialize the body ECU.

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w/ Door Control Battery:

As the door control battery is installed between the vehicle battery and body ECU, first perform the inspections to confirm that there are no malfunctions in the power source circuit for the body ECU before performing this troubleshooting procedure.

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Tech Tips

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Manual Function (w/ Entry and Start System)
Symptom	Suspected Area	Link
Driver side power window does not operate with power window master switch	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Front passenger side power window does not operate with front passenger side power window switch	Power window regulator switch assembly	Click here
	Front power window regulator motor assembly RH (for LHD)	Click here
	Front power window regulator motor assembly LH (for RHD)	Click here
	Harness or connector	-
Rear power window LH does not operate with rear power window switch LH (for Double Cab)	Rear power window regulator switch assembly LH	Click here
	Rear power window regulator motor assembly LH	Click here
	Harness or connector	-
Rear power window RH does not operate with rear power window switch RH (for Double Cab)	Rear power window regulator switch assembly RH	Click here
	Rear power window regulator motor assembly RH	Click here
	Harness or connector	-
Power window inching function operates during driver side power window up operation (approximately 0.4 seconds)	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
Power window inching function operates during front passenger side power window up operation (approximately 0.4 seconds)	Front power window regulator motor assembly RH (for LHD)	Click here
	Front power window regulator motor assembly LH (for RHD)	Click here
Power window inching function operates during rear power window RH up operation (approximately 0.4 seconds) (for Double Cab)	Rear power window regulator motor assembly RH	Click here
Power window inching function operates during rear power window LH up operation (approximately 0.4 seconds) (for Double Cab)	Rear power window regulator motor assembly LH	Click here

Manual Function (for Models with Jam Protection Function on Driver Door Window Only)
Symptom	Suspected Area	Link
Driver side power window does not operate with power window master switch	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Front passenger side power window does not operate with front passenger side power window switch	Front power window regulator motor assembly RH (for LHD)	Click here
	Front power window regulator motor assembly LH (for RHD)	Click here
	Power window regulator switch assembly	Click here
	Harness or connector	-
Rear power window LH does not operate with rear power window switch LH (for Double Cab)	Rear power window regulator switch assembly LH	Click here
	Rear power window regulator motor assembly LH	Click here
	Harness or connector	-
Rear power window RH does not operate with rear power window switch RH (for Double Cab)	Rear power window regulator switch assembly RH	Click here
	Rear power window regulator motor assembly RH	Click here
	Harness or connector	-
Power window inching function operates during driver side power window up operation (approximately 0.4 seconds)	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here

Manual Function (w/o Jam Protection Function)
Symptom	Suspected Area	Link
Driver side power window does not operate with power window master switch	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Front passenger side power window does not operate with front passenger side power window switch	Power window regulator switch assembly	Click here
	Front power window regulator motor assembly RH (for LHD)	Click here
	Front power window regulator motor assembly LH (for RHD)	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Rear power window LH does not operate with rear power window switch LH (for Double Cab)	Rear power window regulator switch assembly LH	Click here
	Rear power window regulator motor assembly LH	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Rear power window RH does not operate with rear power window switch RH (for Double Cab)	Rear power window regulator switch assembly RH	Click here
	Rear power window regulator motor assembly RH	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-

Auto Function (w/ Entry and Start System)
Symptom	Suspected Area	Link
Driver side power window auto up / down function does not operate with power window master switch (manual up / down function is normal)	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Power window regulator master switch assembly	Click here
	Harness or connector	-
Front passenger side power window auto up / down function does not operate with front passenger side power window switch (manual up / down function is normal)	Power window regulator switch assembly	Click here
	Front power window regulator motor assembly RH (for LHD)	Click here
	Front power window regulator motor assembly LH (for RHD)	Click here
	Harness or connector	-
Rear power window LH auto up / down function does not operate with rear power window switch LH (manual up / down function is normal) (for Double Cab)	Rear power window regulator switch assembly LH	Click here
	Rear power window regulator motor assembly LH	Click here
	Harness or connector	-
Rear power window RH auto up / down function does not operate with rear power window switch RH (manual up / down function is normal) (for Double Cab)	Rear power window regulator switch assembly RH	Click here
	Rear power window regulator motor assembly RH	Click here
	Harness or connector	-

Auto Function (for Models with Jam Protection on Driver Door Window Only)
Symptom	Suspected Area	Link
Driver side power window auto up / down function does not operate with power window master switch (manual up / down function is normal)	Power window regulator master switch assembly	Click here
	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Body ECU (for LHD)	Click here
	Body ECU (for RHD)	Click here
	Harness or connector	-

Auto Function (w/o Jam Protection Function)
Symptom	Suspected Area	Link
Driver side power window auto down function does not operate with power window master switch (manual down function is normal)	Power window regulator master switch assembly	Click here
	Front power window regulator motor assembly LH (for LHD)	Click here
	Front power window regulator motor assembly RH (for RHD)	Click here
	Harness or connector	-

Remote Function (w/ Entry and Start System)
Symptom	Suspected Area	Link
Remote up / down function does not operate	Proceed to "Remote Up / Down Function does not Operate"	Click here

Remote Function (for Models with Jam Protection Function on Driver Door Window Only)
Symptom	Suspected Area	Link
Remote up / down function does not operate	Power window regulator master switch assembly	Click here
	Instrument panel junction block assembly (for LHD)	Click here
	Instrument panel junction block assembly (for RHD)	Click here
	Harness or connector	-

Remote Function (w/o Jam Protection Function)
Symptom	Suspected Area	Link
Remote up / down function does not operate	Power window regulator master switch assembly	Click here
Remote up / down function does not operate	Harness or connector	-

Power Window Control System
Symptom	Suspected Area	Link
Key-off operation function operates even if operating conditions are not satisfied (w/ Jam Protection Function)	Proceed to "Key-off Operation Function Operates even if Operating Conditions are not Satisfied"	Click here
Auto up operation does not fully close power window (jam protection function is activated) (w/ Jam Protection Function)	Proceed to "Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)"	Click here
Auto down operation does not fully open power window (catch protection function is activated) (w/ Catch Protection Function)	Proceed to "Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)"	Click here
Jam protection function does not operate (w/ Jam Protection Function)	Proceed to "Jam Protection Function does not Operate"	Click here