WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): Remote Up / Down Function does not Operate; 2019 - 2022 MY Avalon [04/2018

Last Modified: 08-21-2023	6.11:8.1.0	Doc ID: RM100000001AS1K
Model Year Start: 2019	Model: Avalon	Prod Date Range: [04/2018 - ]
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): Remote Up / Down Function does not Operate; 2019 - 2022 MY Avalon [04/2018 - ]

Remote Up / Down Function does not Operate

DESCRIPTION

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

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

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

PROCEDURE

1.	READ VALUE USING TECHSTREAM (MAIN BODY)

(a) Connect the Techstream to the DLC3.

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

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

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

Body Electrical > Main Body > Data List

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

Body Electrical > Main Body > Data List

Tester Display
Communication P-Door Motor
Communication RR-Door Motor
Communication RL-Door Motor
Communication Master SW

OK:

OK is displayed for each Data List item above.

GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting)

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.

Body Electrical > Master Switch > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
P Door P/W Auto SW	Front passenger door power window auto switch signal	OFF or ON	OFF: Front passenger door power window auto up or auto down switch not being operated ON: Front passenger door power window auto up or auto down switch being operated	-
RR Door P/W Auto SW	Rear RH door power window auto switch signal	OFF or ON	OFF: Rear RH door power window auto up or auto down switch not being operated ON: Rear RH door power window auto up or auto down switch being operated	-
RL Door P/W Auto SW	Rear LH door power window auto switch signal	OFF or ON	OFF: Rear LH door power window auto up or auto down switch not being operated ON: Rear LH door power window auto up or auto down switch being operated	-
P Door P/W Up SW	Front passenger door power window manual up switch signal	OFF or ON	OFF: Front passenger door power window manual up switch not being operated ON: Front passenger door power window manual up switch being operated	-
RR Door P/W up switch	Rear RH door power window manual up switch signal	OFF or ON	OFF: Rear RH door power window manual up switch not being operated ON: Rear RH door power window manual up switch being operated	-
RL Door P/W up switch	Rear LH door power window manual up switch signal	OFF or ON	OFF: Rear LH door power window manual up switch not being operated ON: Rear LH door power window manual up switch being operated	-
P Door P/W Down SW	Front passenger door power window manual down switch signal	OFF or ON	OFF: Front passenger door power window manual down switch not being operated ON: Front passenger door power window manual down switch being operated	-
RR Door P/W Down SW	Rear RH door power window manual down switch signal	OFF or ON	OFF: Rear RH door power window manual down switch not being operated ON: Rear RH door power window manual down switch being operated	-
RL Door P/W Down SW	Rear LH door power window manual down switch signal	OFF or ON	OFF: Rear LH door power window manual down switch not being operated ON: Rear LH door power window manual down switch being operated	-
Window Lock Switch Status	Window lock switch signal	OFF or ON	OFF: Window lock switch off (not pushed in) ON: Window lock switch on (pushed in)	-

Body Electrical > Master Switch > Data List

Tester Display
P Door P/W Auto SW
RR Door P/W Auto SW
RL Door P/W Auto SW
P Door P/W Up SW
RR Door P/W up switch
RL Door P/W up switch
P Door P/W Down SW
RR Door P/W Down SW
RL Door P/W Down SW
Window Lock Switch Status

OK:

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

Result	Proceed to
NG	A
OK (Front passenger door power window remote up and down functions do not operate)	B
OK (Rear LH door power window remote up and down functions do not operate)	C
OK (Rear RH door power window remote up and down functions do not operate)	C

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door)

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door or Rear RH Door)