DESCRIPTION
If the manual UP/DOWN function does not operate, there may be a malfunction in the power window regulator switch assembly, front power window regulator motor assembly RH or harness or connector.
WIRING DIAGRAM
PROCEDURE
CHECK LIN COMMUNICATION SYSTEM
Check for LIN communication system DTCs related to the power window control system.
| Result | Proceed to |
|---|---|
| DTC is not output | A |
| DTC is output | B |
| B |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK FOR DTC (B2312)
Check if DTC B2312 is output.
| Result | Proceed to |
|---|---|
| B2312 is not output | A |
| B2312 is output | B |
| B |
|
GO TO DTC B2312 Click here |
| A |
|
READ VALUE USING INTELLIGENT TESTER (FRONT PASSENGER SIDE MOTOR)
Use the Data List to check if the power window regulator motor is functioning properly.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Up SW | Front passenger side power window manual UP switch signal / ON or OFF | ON: Front passenger side power window manual UP switch operated OFF: Front passenger side power window switch not operated |
- |
| P Door P/W Down SW | Front passenger side power window manual DOWN switch signal / ON or OFF | ON: Front passenger side power window manual DOWN switch operated OFF: Front passenger side power window switch not operated |
- |
| OK |
|---|
| Tester display changes normally when front passenger side power window switch is operated. |
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| C |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE SWITCH)
Disconnect the P4*1 or P10*2 ECU connector.
Disconnect the N6*1 or N17*2 switch connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE MOTOR)
Disconnect the N1*1 or N10*2 ECU connector.
Disconnect the N3*1 or N11*2 motor connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE SWITCH - FRONT PASSENGER SIDE MOTOR)
Disconnect the N6*1 or N17*2 switch connector.
Disconnect the N3*1 or N11*2 motor 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 SWITCH ASSEMBLY (for Front Passenger Side)
Remove the switch.
Measure the resistance of the switch when the switch is operated.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| A |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) Click here |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| C |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |