DESCRIPTION
If the manual UP/DOWN function does not operate, there may be a malfunction in the rear power window regulator switch, rear power window regulator motor 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 (REAR MOTOR RH)
Use the Data List to check if the power window regulator motor is functioning properly.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| RR Door P/W Up SW | Rear power window RH manual UP switch signal / ON or OFF | ON: Rear power window RH manual UP switch operated OFF: Rear power window RH switch not operated |
- |
| RR Door P/W Down SW | Rear power window RH manual DOWN switch signal / ON or OFF | ON: Rear power window RH manual DOWN switch operated OFF: Rear power window RH switch not operated |
- |
| OK |
|---|
| Tester display changes normally when rear power window switch RH is operated. |
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR ECU RH - REAR SWITCH RH)
Disconnect the O2 ECU connector.
| *1 | Front view of wire harness connector: (to Rear Door ECU RH) |
| *2 | Front view of wire harness connector: (to Rear Switch RH) |
Disconnect the O7 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 (REAR DOOR ECU RH - REAR MOTOR RH)
Disconnect the O3 ECU connector.
| *1 | Front view of wire harness connector: (to Rear Door ECU RH) |
| *2 | Front view of wire harness connector: (to Rear Motor RH) |
| *3 | PWE |
| *4 | BDRJ |
Disconnect the O8 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 (REAR SWITCH RH - REAR MOTOR RH)
Disconnect the O7 switch connector.
| *1 | Front view of wire harness connector: (to Rear Switch RH) |
| *2 | Front view of wire harness connector: (to Rear Motor RH) |
| *3 | UP |
| *4 | DOWN |
Disconnect the O8 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 REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH)
| *1 | Component without harness connected: (Power Window Regulator Switch) |
| *2 | UP |
| *3 | DOWN |
Remove the switch.
Measure the resistance of the switch when the switch is operated.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for RH) Click here |