DESCRIPTION
When the ignition switch is ON, the power window regulator motor assembly LH (for driver door) is operated by the power window regulator master switch assembly. The power window regulator motor assembly LH (for driver door) has motor, regulator and ECU functions.
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting Click here. Troubleshoot the power window control system after confirming that the communication system is functioning properly.
If a power window regulator motor assembly LH (for driver door) has been replaced with a new one, initialize the power window control system Click here.
When the ECU determines that the power window regulator motor assembly LH (for driver door) has a malfunction, DTC B2311 is stored.
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 D-Door Motor | Connection status between power window regulator motor assembly LH (for driver door) and main body ECU (multiplex network body ECU) / OK or STOP | OK: Normal communication STOP: Communication stopped |
- |
| 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 (DRIVER DOOR WINDOW MOTOR)
Enter the following menus: Body Electrical / D-Door Motor / Data List.
Read the Data List according to the display on the Techstream.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| D Door P/W Up SW | Driver door power window manual up switch signal / ON or OFF | ON: Driver door power window manual up switch operated OFF: Driver door power window manual up switch not operated |
- |
| D Door P/W Down SW | Driver door power window manual down switch signal / ON or OFF | ON: Driver door power window manual down switch operated OFF: Driver door power window manual down switch not operated |
- |
| OK |
|---|
| On the Techstream screen, ON or OFF is displayed accordingly. |
| NG |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR LH (FOR DRIVER DOOR) - BATTERY AND BODY GROUND) Click here |
| OK |
|
PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER DOOR WINDOW MOTOR)
Enter the following menus: Body Electrical / D-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 / UP / DOWN | - |
| OK |
|---|
| Driver door power window operates normally. |
| NG |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR LH (FOR DRIVER DOOR) - BATTERY AND BODY GROUND)
Disconnect the K9 power window regulator motor assembly LH (for driver door) connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW REGULATOR MOTOR (FOR DRIVER) AND BODY GROUND)
Disconnect the K11 power window regulator master switch assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
| *a | Component without harness connected (Power Window Regulator Master Switch Assembly) |
Remove the power window regulator master switch assembly Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here |
| OK |
|
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here