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 wire harness.
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 output | A |
| DTC is not output | B |
| A |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| B |
|
CHECK FOR DTC (B2312)
Check if DTC B2312 is output.
| Result | Proceed to |
|---|---|
| DTC is output | A |
| DTC is not output | B |
| A |
|
GO TO DTC B2312 Click here |
| B |
|
READ VALUE USING INTELLIGENT TESTER (REAR MOTOR RH)
Connect the intelligent tester to the DLC3.
Turn the engine switch on (IG).
Turn ON the intelligent tester.
Enter the following menus.
Select: Body / RR-Door Motor / Data List /
According to the display on tester, read the "Data List".
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| RR Door P/W Up SW | Rear power window RH remote manual UP switch signal / ON or OFF | ON: Rear power window RH remote manual UP switch on master switch operated OFF: Rear power window RH switch on master switch not operated |
- |
| RR Door P/W Down SW | Rear power window RH remote manual DOWN switch signal / ON or OFF | ON: Rear power window RH remote manual DOWN switch on master switch operated OFF: Rear power window RH switch on master switch not operated |
- |
| OK |
|---|
| Tester display changes normally when rear power window switch RH is operated. |
| OK |
|
REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear 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 POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear 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 (for Rear RH) Click here |
| NG |
|
REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH) Click here |