B2190

DTC Troubleshooting: B2190

DTC B2190:

Assistant'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 front passenger's window by using the front passenger's power window switch manually.

4. Check for DTCs with the HDS.

Is DTC B2177 or B2178 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 front passenger's power window by using the front passenger's power window switch manually.

9. Check for DTCs with the HDS.

Is DTC B2190 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 passenger'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 front passenger's power window by using the front passenger's power window switch manually.

15. Check for DTCs with the HDS.

Is DTC B2190 indicated?

YES -

Faulty front passenger's window motor; replace front passenger's door regulator Service and Repair.�

NO -

Replace the passenger's MPCS unit Power Windows (Front Passengers MPCS Unit) Input Test/Replacement.�