DTC B1140: Driver's Power Window Position Detect Circuit Malfunction
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
). Make sure you reset the power window control unit whenever you replace or substitute any power window parts (see RESETTING THE POWER WINDOW CONTROL UNIT ).
- Clear the DTCs with the HDS
- Turn the ignition switch to LOCK (0) and then back to ON (II), or press the engine start/stop button to select the OFF mode and then the ON mode
- Open and close the driver's power window by using the driver's switch manually
- Check for DTCs with the HDS
Is DTC B1125 or B1126 indicated?
YES -Troubleshoot the DTC B1125 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 again with the HDS
Is DTC B1140 indicated?
YES -Go to step 7
NO -The system is OK at this time
- Substitute a known-good power window master switch
- Open and close the driver's power window by using the driver's switch manually
- Check for DTCs with the HDS
Is DTC B1140 indicated?
YES -Replace the driver's power window motor (see FRONT DOOR GLASS AND REGULATOR REPLACEMENT )
NO -Faulty door multiplex control unit, replace the power window master switch (see REAR POWER WINDOW SWITCH TEST )