POWER WINDOW CONTROL SYSTEM > Remote Up / Down Function does not Operate

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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


B193521E31


INSPECTION PROCEDURE

NOTICE:
  1. The power window control system uses a LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting (Click here). Troubleshoot the power window control system after confirming that the communication system is functioning properly.
  2. If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system (Click here).

1.READ VALUE USING INTELLIGENT TESTER (Main Body)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the power switch on (IG).

  1. Turn the intelligent tester on.

  1. Enter the following menus: Body / Main Body / Data List.

  1. Read the Data List according to the display on the intelligent tester.

    Main Body (Main Body ECU (Multiplex Network Body ECU)) 
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    Communication P-Door Motor
    		Connection status between power window regulator motor (for front passenger side) and main body ECU (multiplex network body ECU) / OK or STOP
    		OK: Normal communication
    STOP: Communication stopped
    		-
    Communication RL-Door Motor
    		Connection status between power window regulator motor (for rear LH) and main body ECU (multiplex network body ECU) / OK or STOP
    		OK: Normal communication
    STOP: Communication stopped
    		-
    Communication RR-Door Motor
    		Connection status between power window regulator motor (for rear RH) and main body ECU (multiplex network body ECU) / OK or STOP
    		OK: Normal communication
    STOP: Communication stopped
    		-
    Communication Master SW
    		Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU) / OK or STOP
    		OK: Normal communication
    STOP: Communication stopped
    		-

    OK:
    On the intelligent tester screen, OK is displayed.



NG
GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) (Click here)
OK


2.READ VALUE USING INTELLIGENT TESTER (Master Switch)

  1. Enter the following menus: Body / Master Switch / Data List.

  1. Read the Data List according to the display on the intelligent tester.

    Master Switch (Multiplex Network Master Switch Assembly) 
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    P Door P/W Auto SW
    		Front passenger side power window auto up and down switch signal / ON or OFF
    		ON: Front passenger door power window auto switch operated
    OFF: Front passenger door power window auto switch not operated
    		-
    RL Door P/W Auto SW
    		Rear LH side power window auto up and down switch signal / ON or OFF
    		ON: Rear LH power window auto switch operated
    OFF: Rear LH power window auto switch not operated
    		-
    RR Door P/W Auto SW
    		Rear RH side power window auto up and down switch signal / ON or OFF
    		ON: Rear RH power window auto switch operated
    OFF: Rear RH power window auto switch not operated
    		-
    P Door P/W Up SW
    		Front passenger side power window manual up switch signal / ON or OFF
    		ON: Front passenger door power window manual up switch operated
    OFF: Front passenger door power window manual up switch not operated
    		-
    RL Door P/W up Switch
    		Rear LH side power window manual up switch signal / ON or OFF
    		ON: Rear LH power window manual up switch operated
    OFF: Rear LH power window manual up switch not operated
    		-
    RR Door P/W up Switch
    		Rear RH side power window manual up switch signal / ON or OFF
    		ON: Rear RH power window manual up switch operated
    OFF: Rear RH power window manual up switch not operated
    		-
    P Door P/W Down SW
    		Front passenger side power window manual down switch signal / ON or OFF
    		ON: Front passenger door power window manual down switch operated
    OFF: Front passenger door power window manual down switch not operated
    		-
    RL Door P/W Down SW
    		Rear LH side power window manual down switch signal / ON or OFF
    		ON: Rear LH power window manual down switch operated
    OFF: Rear LH power window manual down switch not operated
    		-
    RR Door P/W Down SW
    		Rear RH side power window manual down switch signal / ON or OFF
    		ON: Rear RH power window manual down switch operated
    OFF: Rear RH power window manual down switch not operated
    		-
    Window Lock Switch Status
    		Window lock switch signal / ON or OFF
    		ON: Window lock switch LOCK position
    OFF: Window lock switch UNLOCK position
    		-

    OK:
    On the intelligent tester screen, ON or OFF is displayed accordingly.

    Result:
    Result
    		Proceed to
    NG
    		A
    OK (Front passenger side power window remote up and down function does not operate)
    		B
    OK (Rear LH side power window remote up and down function does not operate)
    		C
    OK (Rear RH side power window remote up and down function does not operate)
    		C



B
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) (Click here)

C
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side or Rear LH Side) (Click here)
A

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (Click here)