DESCRIPTION
When the ignition switch is ON, 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
INSPECTION PROCEDURE
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 power window regulator motor assembly (for front passenger door) 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 inspection procedure.
PROCEDURE
READ VALUE USING TECHSTREAM (MAIN BODY)
Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the Data List according to the display on the Techstream.
| 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 |
- |
| OK |
|---|
| On the Techstream screen, OK is displayed. |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) Click here |
| OK |
|
READ VALUE USING TECHSTREAM (P-DOOR MOTOR)
Enter the following menus: Body Electrical / P-Door Motor / Data List.
Read the Data List according to the display on the Techstream.
| 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 |
- |
| OK |
|---|
| On the Techstream screen, ON or OFF is displayed accordingly. |
| NG |
|
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| OK |
|
PERFORM ACTIVE TEST USING TECHSTREAM (P-DOOR MOTOR)
Enter the following menus: Body Electrical / P-Door Motor / Active Test.
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.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Power Window | Power window | OFF / DOWN / UP | - |
| OK |
|---|
| Front passenger door power window operates normally. |
| NG |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR) Click here |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY
Remove the power window regulator switch assembly Click here.
Inspect the power window regulator switch assembly Click here.
| NG |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR) AND BODY GROUND)
Disconnect the J18 power window regulator motor assembly (for front passenger door) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR) Click here