Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch [09/2022 - ]: Procedure
- READ VALUE USING GTS (MASTER SWITCH)
- Using the GTS, read the data for the condition when the multiplex network master switch assembly was operated.
Body Electrical > Master Switch > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note D Door P/W Auto SW Driver door power window auto switch signal OFF or ON OFF: Driver door power window auto switch not being operated
ON: Driver door power window auto switch being operated- Body Electrical > Master Switch > Data List
Tester Display D Door P/W Auto SW OK
On the GTS screen, ON or OFF is displayed accordingly.
Result
Proceed to OK NG
Result:
NG
REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to REMOVAL [09/2022 - ]
Result:
OK
See step 2
- Using the GTS, read the data for the condition when the multiplex network master switch assembly was operated.
- READ VALUE USING GTS (D-DOOR MOTOR)
- Using the GTS, read the data for the condition when the multiplex network master switch assembly was operated.
Body Electrical > D-Door Motor > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note D Door P/W Auto SW Driver door power window auto switch signal OFF or ON OFF: Driver door power window auto switch not being operated
ON: Driver door power window auto switch being operated- Body Electrical > D-Door Motor > Data List
Tester Display D Door P/W Auto SW OK
On the GTS screen, ON or OFF is displayed accordingly.
Result
Proceed to OK NG
Result:
NG
See step 4
Result:
OK
See step 3
- Using the GTS, read the data for the condition when the multiplex network master switch assembly was operated.
- PERFORM INITIALIZATION
- Initialize the front power window regulator motor assembly LH.
Refer to INITIALIZATION [09/2022 - ]
OK
Power window system operates normally.
Result
Proceed to OK NG
Result:
OK
END (PROBLEM DUE TO INITIALIZATION FAILURE)
Result:
NG
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to REMOVAL [09/2022 - ]
- Initialize the front power window regulator motor assembly LH.
- REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY
- Temporarily replace the multiplex network master switch assembly with a new or normally functioning one.
Refer to REMOVAL [09/2022 - ]
OK
Power window system operates normally.
Result
Proceed to OK NG
Result:
OK
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to REMOVAL [09/2022 - ]
Result:
NG
END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WAS DEFECTIVE)
- Temporarily replace the multiplex network master switch assembly with a new or normally functioning one.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.