DESCRIPTION
When the ignition switch is ON, the rear power window regulator motor assembly LH is operated by the rear power window regulator switch assembly (for Rear LH Door). The rear power window regulator motor assembly LH has motor, regulator and ECU functions.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
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 the rear power window regulator motor assembly LH has been replaced with a new one, initialize the power window control system Click here.
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.
PROCEDURE
READ VALUE USING GTS (MAIN BODY)
Read the Data List according to the display on the GTS Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| Communication RL-Door Motor | Connection status between rear power window regulator motor assembly LH and main body ECU (multiplex network body ECU) / STOP or OK | STOP: Communication stopped OK: Normal communication |
- |
| OK |
|---|
| On the GTS screen, OK is displayed. |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| OK |
|
READ VALUE USING GTS (RL-DOOR MOTOR)
Read the Data List according to the display on the GTS Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| RL Door P/W Up SW | 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 |
- |
| 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 |
- |
| OK |
|---|
| On the GTS screen, ON or OFF is displayed accordingly. |
| NG |
|
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here |
| OK |
|
PERFORM ACTIVE TEST USING GTS (RL-DOOR MOTOR)
Perform the Active Test according to the display on the GTS Click here.
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.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Power Window | Power window | OFF/UP/DOWN | - |
Tech Tips
Up and down movement does not occur if the arrow is not pressed and held.
| OK |
|---|
| Rear LH power window operates normally. |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH
Remove the rear power window regulator switch assembly LH Click here.
Inspect the rear power window regulator switch assembly LH Click here.
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
Disconnect the M2 rear power window regulator switch connector.
Disconnect the M4 power window regulator motor connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |