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 power 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 -

Go to the indicated DTC(s) troubleshooting.�

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 front 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 -

Replace the front passenger's power window motor.�

NO -

Replace the original front passenger's MPCS unit.�