| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM1000000028LTP |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [11/2022 - ] |
| Title: WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: Rear Power Window LH does not Operate with Rear Power Window Switch LH; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ] | ||
|
Rear Power Window LH does not Operate with Rear Power Window Switch LH |
DESCRIPTION
When the ignition switch is ON, the power window regulator motor assembly LH (for rear LH door) is operated by the rear power window regulator switch assembly (for LH door). The power window regulator motor assembly LH (for rear LH door) has motor, regulator, and ECU functions.
WIRING DIAGRAM
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![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 - ]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: B232096; RL-Door P/W Motor Component Internal Failure](/t3Portal/stylegraphics/info.gif)
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
-
If the power window regulator motor assembly LH (for rear LH door) has been replaced with a new one, initialize the power window control system.
Click here
-
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
- Check that the window lock switch is off before performing the following procedure.
-
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
for Start Function, HV Model: Click here
for Start Function, Gasoline Model: Click here
PROCEDURE
|
1. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Communication RL-Door Motor |
Connection status between power window regulator motor assembly LH (for rear LH 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 RL-Door Motor |
OK:
OK is displayed for each Data List item above.
| NG |
|
|
|
2. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
RL Door Power Window UP Switch |
Rear LH door power window manual up switch |
OFF or ON |
OFF: Manual up switch not being operated ON: Manual up switch being operated |
- |
|
RL Door Power Window DOWN Switch |
Rear LH door power window manual down switch |
OFF or ON |
OFF: Manual down switch not being operated ON: Manual down switch being operated |
- |
Body Electrical > Main Body > Data List
|
Tester Display |
|---|
|
RL Door Power Window UP Switch |
|
RL Door Power Window DOWN Switch |
OK:
On the GTS screen, ON or OFF is displayed accordingly.
| NG |
|
|
|
3. |
PERFORM ACTIVE TEST USING GTS |
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Main Body > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
RL Door Power Window UP |
Rear LH door power window up activate |
OFF/ON |
- |
|
RL Door Power Window DOWN |
Rear LH door power window down activate |
OFF/ON |
- |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
RL Door Power Window UP |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
RL Door Power Window DOWN |
HINT:
Up and down movement does not occur if the arrow is not pressed and held.
OK:
Rear LH door power window operates normally.
| OK |
|
| NG |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Rear LH Door) |
|
4. |
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Door) |
Click here
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for LH Door) |
|
|
5. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH (for LH Door) - POWER WINDOW REGULATOR MOTOR (for Rear LH Door)) |
(a) Disconnect the N2 power window regulator motor assembly LH (for rear LH door) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N3-5 (UP) - N2-10 (UP) |
Always |
Below 1 Ω |
|
N3-4 (DOWN) - N2-7 (DOWN) |
Always |
Below 1 Ω |
|
N3-5 (UP) or N2-10 (UP) - Body ground |
Always |
10 kΩ or higher |
|
N3-4 (DOWN) or N2-7 (DOWN) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
6. |
INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Rear LH door) |
Click here
| OK |
|
| NG |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Rear LH Door) |
|
|