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B2175

DTC B2175: Driver's Window Motor Pulse A Error

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

1. Turn the ignition switch ON (II).
2. Open and close the driver's window by using the power window master switch manually.
3. Check for DTCs with the HDS.

Is DTC B2175 indicated?

YES - Go to step 4.

NO - Intermittent failure. The system is OK at this time. Check for loose or poor connections.

4. Open and close the driver's window by using the power window master switch manually.
5. Select the POWER WINDOWS from the BODY ELECTRICAL SYSTEM SELECT menu and enter the DATA LIST.
6. Check the DETECT/NONE information of the Driver's window motor A-phase pulse signal in the DATA LIST.

Does the information indicator display DETECT while the window is moving, and display NONE when the window is stopped?

YES - Replace the driver's MPCS unit.

NO - Go to step 7.

7. Turn the ignition switch OFF.
8. Disconnect the 14P connector from the driver's MPCS unit.
9. Disconnect the 6P connector from the driver's window motor.




10. Check for continuity between driver's MPCS unit connector B (14P) terminal No. Band driver's window motor 6P connector terminal No. 2.

Is there continuity?

YES - Go to step 11.

NO - Repair an open in the wire.




11. Check for continuity between driver's window motor 6P connector terminal No. 2 and body ground.

Is there continuity?

YES - Repair a short in the wire.

NO - Go to step 12.

12. Test the power window motor.

Is the motor OK?

YES - Replace the driver's MPCS unit.

NO - Replace the driver's window motor.