DTC B1140: Driver's Power Window Position Detect Circuit Error
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch OFF, and then back ON (II).
- Open and close the driver's power window by using the driver's power window switch.
- Check for DTCs with the HDS.
Is DTC B1125 or B1126 indicated?
YES -Troubleshoot the DTC B1125 (see DTC TROUBLESHOOTING ) or B1126 (see DTC TROUBLESHOOTING ).
NO -Go to step 5.
- Reset the power window control unit (see RESETTING THE POWER WINDOW CONTROL UNIT ).
- Check for DTCs with the HDS.
Is DTC B1140 indicated?
YES -Faulty door multiplex control unit; replace the power window master switch.
NO -Intermittent failure. The system is OK at this time. Check for loose or poor connections.