B1140

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.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Open and close the driver's power window by using the driver's power window switch.
4. Check for DTCs with the HDS.

Is DTC B1125 or B1126 indicated?

YES - Troubleshoot the DTC B1125 or B1126.

NO - Go to step 5.

5. Reset the power window control unit.
6. 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.