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TERMINALS OF ECU 1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Fig. 8: Identifying ECU Power Window Regulator Master Switch Assembly Connector Terminals a. Disconnect the N2 master switch connector. b. Measure the resistance and voltage according to the value(s) in the table below. for Regular Cab: AUTO DOWN FUNCTION DOES NOT OPERATE Power windows do not operate Power window regulator master POWER WINDOWS DO NOT OPERATE AT ALL Harness or connector POWER WINDOWS DO NOT OPERATE AT ALL Key-off operation function Main body ECU KEY-OFF OPERATION FUNCTION OPERATES EVEN IF OPERATING CONDITIONS ARE NOT SATISFIED Lighting system HOW TO PROCEED WITH TROUBLESHOOTING Power back window does not BACK P/W No. 1 relay BACK WINDOW GLASS (FOR CREWMAX) BACK P/W No. 2 relay BACK WINDOW GLASS (FOR CREWMAX) Power window regulator switch BACK POWER WINDOW SWITCH Back door power window BACK WINDOW GLASS (FOR CREWMAX) HINT: *1: for Double Cab *2: for CrewMax
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Windshield/WindowGlass - Tundra
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