DESCRIPTION
If the manual up/down function does not operate, there may be a malfunction in the power window regulator switch, front power window regulator motor RH or harness or connector.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
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 front power window regulator motor assembly RH 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 procedure.
PROCEDURE
CHECK LIN COMMUNICATION SYSTEM
Check for LIN communication system DTCs related to the power window control system Click here.
| OK |
|---|
| LIN communication system DTCs are not output |
| NG |
|
GO TO LIN COMMUNICATION SYSTEM Click here |
| OK |
|
CHECK FOR DTC (B2312)
Check if DTC B2312 is output Click here.
| OK |
|---|
| DTC B2312 is not output. |
| NG |
|
GO TO DTC B2312 Click here |
| OK |
|
READ VALUE USING INTELLIGENT TESTER (FRONT PASSENGER SIDE POWER WINDOW REGULATOR MOTOR)
Use the Data List to check if the power window regulator motor is functioning properly Click here.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door P/W Up SW | Front passenger side power window manual up 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 signal / ON or OFF | ON: Front passenger side power window manual down switch operated OFF: Front passenger side power window switch not operated |
- |
| OK |
|---|
| Display changes according to operation of power window regulator switch. |
| 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 (POWER WINDOW REGULATOR SWITCH - BODY GROUND)
Disconnect the I3*1 or I43*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 POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND)
Disconnect the I4*1 or I12*2 motor 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 SWITCH - FRONT POWER WINDOW REGULATOR MOTOR)
Disconnect the I3*1 or I43*2 switch connector.
Disconnect the I4*1 or I12*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
| *1 | Component without harness connected: (Power Window Regulator Switch) |
| *2 | UP |
| *3 | DOWN |
Remove the power window regulator switch Click here.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| A |
|
REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY Click here |
| B |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here |
| C |
|
REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here |