Does the information indicator display DETECT while the power window is moving, and display NONE when the power window is stopped?
YES -
Replace the front passenger's MPCS unit.?
NO -
Go to step 8.
8. Check for DTCs with the HDS.
Is DTC B2177 also indicated?
YES -
Go to step 15.
NO -
Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Disconnect front passenger's MPCS unit connector B (14P).
11. Disconnect the 6P connector from the passenger's power window motor.
12. Check for continuity between front passenger's MPCS unit connector B (14P) terminal No. 4 and the front passenger's power window motor
6P connector terminal No. 2.
Is there continuity?
YES -
Go to step 13.
NO -
Repair an open in the wire.?
13. Check for continuity between front passenger's power window motor 6P connector terminal No. 2 and body ground.