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

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
The power window control system uses a multiplex communication system (LIN communication system). Inspect the communication function by following How to Proceed with Troubleshooting How To Proceed With Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.

PROCEDURE

1. READ VALUE USING TECHSTREAM (Main Body)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the Techstream.

Main Body (Main Body ECU (Multiplex Network Body ECU))





OK:

On the Techstream screen, OK is displayed.

NG -- GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) How to Proceed With Troubleshooting
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (Master Switch)

(a) Enter the following menus: Body Electrical / Master Switch / Data List.

(b) Read the Data List according to the display on the Techstream.

Master Switch (Multiplex Network Master Switch Assembly)





OK:

On the Techstream screen, ON or OFF is displayed accordingly.

Result:





B -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) Removal

C -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) Removal

D -- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) Removal

A -- REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Removal