Module/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 -
Replace the driver's power window motor.?
NO -
Replace the original driver's MPCS unit.?
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 See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/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 See: Relays and Modules/Relays and Modules - Windows and Glass/Power Window Control
