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Home >> Toyota >> 2012 >> 4Runner Trail >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostic Codes & Symptom Tests) >> Power Window Control System >> Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch >> Inspection Procedure

Inspection Procedure

HINT: 

Since the power window control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.