Remote Up / Down Function Does Not Operate

2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Remote Up / Down Function Does Not Operate




WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: Remote Up / Down Function does not Operate
- Remote Up / Down Function does not Operate

DESCRIPTION

When the engine switch is on (IG) and window lock switch is off, the multiplex network master switch sends remote up/down signals to each power window regulator motor via the LIN communication line.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system Reading and Clearing Diagnostic Trouble Codes.

OK:

LIN communication system DTCs are not output.

NG -- GO TO LIN COMMUNICATION SYSTEM LIN Communication System
OK -- Continue to next step.

2. CHECK MULTIPLEX NETWORK MASTER SWITCH (WINDOW LOCK SWITCH)

(a) Turn the window lock switch off and operate the switches on the multiplex network master switch. Check that the remote up/down function operates Operation Check.





OK:

Remote up/down function operates.

NG -- REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Removal

OK -- END
RENDER: 1.0x

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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.