Toyota 4Runner: Remote Up / Down Function does not Operate

Toyota 4Runner Service Manual / Vehicle Exterior / Window / Glass / Power Window Control System / Remote Up / Down Function does not Operate

DESCRIPTION

When the ignition switch is ON and the 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.

PROCEDURE

1.	CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system (See page ).

OK:

LIN communication system DTCs are not output.

GO TO LIN COMMUNICATION SYSTEM

2.	CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (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 (See page ).

OK:

Remote up/down function operates.

END

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Auto Up / Down Function does not Operate

DESCRIPTION If the auto up/down function does not operate, the cause may be one or more of the following: The ECU in the back door power window regulator motor determines that the back ...

Manual Up / Down Function does not Operate on Back Door Only

DESCRIPTION If the back door power window does not operate, the retract switch in the rear wiper motor, the back door power window regulator motor or the wire harness may be abnormal. WIRING DIA ...

Other materials about Toyota 4Runner:

Short in Front Passenger Side Squib 2nd Step Circuit (B1815/54-B1818/54)
DESCRIPTION The front passenger side squib 2nd step circuit consists of the center airbag sensor and instrument panel passenger airbag. The circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is ...

Voice Recognition Microphone Disconnected (B1579)
DESCRIPTION The navigation receiver assembly and map light assembly (telephone microphone assembly) are connected to each other using the microphone connection detection signal lines. This DTC is stored when a microphone connection detection signal line ...