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 (see Resetting the Power Window Control Unit ) whenever you replace or substitute any power window parts.
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back to ON (II).
- Open and close the driver's power window by using the power window master switch manually.
- Check for DTCs with the HDS.
Are DTCs B1125 or B1126 indicated?
YES -Troubleshoot the DTC B1125 or B1126 (see DTC B1125: DRIVER'S POWER WINDOW MOTOR A PULSE MALFUNCTION; DTC B1126: DRIVER'S POWER WINDOW MOTOR B PULSE MALFUNCTION ).
NO -Go to step 5.
- Resetting 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 has recovered at this time.
- Substitute a known-good power window master switch.
- Open and close the driver's power window by using the power window master switch manually.
- Check for DTCs with the HDS.
Is DTC B1140 indicated?
YES -Faulty driver's power window motor; replace the driver's door regulator (see FRONT DOOR GLASS AND REGULATOR REPLACEMENT ).
NO -Faulty door multiplex control unit; replace the power window master switch (see POWER WINDOW MASTER SWITCH REPLACEMENT ).