B2189

DTC Troubleshooting: B2189

DTC B2189:

Driver's Window Position Data Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A.

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Open and close the driver's power window by using the power window master switch manually.

4. Check for DTCs with the HDS.

Is DTC B2175 or B2176 also indicated?

YES -

Troubleshoot the indicated DTC(s) first.

NO -

Go to step 5.

5. Reset the power window control unit Testing and Inspection.

6. Clear the DTCs with the HDS.

7. Turn the ignition switch to LOCK (0) and then back to ON (II).

8. Open and close the driver's power window by using the power window master switch manually.

9. Check for DTCs with the HDS.

Is DTC B2189 indicated?

YES -

Go to step 10.

NO -

The system is OK at this time.

10. Turn the ignition switch to LOCK (0).

11. Substitute a known-good driver's MPCS unit.

12. Clear the DTCs with the HDS.

13. Turn the ignition switch to LOCK (0) and then back to ON (II).

14. Open and close the driver's power window by using the power window master switch manually.

15. Check for DTCs with the HDS.

Is DTC B2189 indicated?

YES -

Faulty driver's window motor; replace driver's door regulator Service and Repair.

NO -

Replace the driver's MPCS unit Power Windows (Drivers MPCS Unit) Input Test/Replacement.