Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001B0MZ
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 01/2019]
Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch; 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]

Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch

DESCRIPTION

When the engine switch is on (IG), the power window regulator motor assembly (for front passenger door) is operated by the power window regulator switch assembly. The power window regulator motor assembly (for front passenger door) has motor, regulator, and ECU functions.

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 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

  • If the power window regulator motor assembly (for front passenger door) has been replaced with a new one, initialize the power window control system.

    Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): INITIALIZATION

  • Check that the window lock switch is off before performing the following procedure.
  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

    Click here 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION

PROCEDURE

1.

READ VALUE USING TECHSTREAM (MAIN BODY)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine 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.

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

-

Body Electrical > Main Body > Data List

Tester Display

Communication P-Door Motor

OK:

OK is displayed for each Data List item above.

NG

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

OK

2.

READ VALUE USING TECHSTREAM (P-DOOR MOTOR)

(a) Enter the following menus: Body Electrical / P-Door Motor / Data List.

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

Body Electrical > P-Door Motor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

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

-

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

-

Body Electrical > P-Door Motor > Data List

Tester Display

P Door P/W Up SW

P Door P/W Down SW

OK:

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

NG

GO TO STEP 4

OK

3.

PERFORM ACTIVE TEST USING TECHSTREAM (P-DOOR MOTOR)

(a) Enter the following menus: Body Electrical / P-Door Motor / Active Test.

(b) Perform the Active Test according to the display on the Techstream.

CAUTION:

Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.

Body Electrical > P-Door Motor > Active Test

Tester Display

Measurement Item

Control Range

Diagnostic Note

Power Window

Power window

OFF / DOWN / UP

-

Body Electrical > P-Door Motor > Active Test

Tester Display

Power Window

OK:

Front passenger door power window operates normally.

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

NG

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

4.

INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Remove the power window regulator switch assembly.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; WINDOW / GLASS: FRONT PASSENGER SIDE POWER WINDOW SWITCH: REMOVAL

(b) Inspect the power window regulator switch assembly.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; WINDOW / GLASS: FRONT PASSENGER SIDE POWER WINDOW SWITCH: INSPECTION

NG

REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY

OK

5.

CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY -POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) AND BODY GROUND)

(a) Disconnect the K2 power window regulator motor assembly (for front passenger door) connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

K12-5 (UP) - K2-10 (UP)

Always

Below 1 Ω

K12-5 (UP) or K2-10 (UP) - Body ground

Always

10 kΩ or higher

K12-4 (DOWN) - K2-7 (DOWN)

Always

Below 1 Ω

K12-4 (DOWN) or K2-7 (DOWN) - Body ground

Always

10 kΩ or higher
OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR