B1131

DTC Troubleshooting: B1130, B1131

DTC B1130:

Front Passenger's Power Window Motor A Pulse Malfunction

DTC B1131:

Front Passenger's Power Window Motor B Pulse Malfunction

NOTE:

- If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
- Make sure you reset the power window control unit Testing and Inspection whenever you replace or substitute any power window parts.

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.

Does the window motor operate?

YES -

Go to step 4.

NO -

Test the front passenger's power window motor Front Passenger's Power Window Motor Test. If the motor tests OK, go to step 4.

4. Check for DTCs with the HDS.

Are DTCs B1130 and/or B1131 indicated?

YES -

Go to step 5.

NO -

Intermittent failure, the system is OK at this time. Check for loose or poor connections.�

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 front passenger's window motor A-phase and B-phase signal in the DATA LIST.

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

YES -

Replace the front passenger's power window switch, 4-door Front Passenger's Power Window Switch Replacement (4-Door), 2-door Front Passenger's Power Window Switch Replacement (2-Door).�

NO -

Go to step 7.

7. Turn the ignition switch to LOCK (0).

8. Disconnect the front passenger's power window switch 37P connector.

9. Disconnect the front passenger's power window motor 6P connector.

10. Check for continuity between the front passenger's power window switch 37P connector terminals and front passenger's power window motor 6P connector terminals as shown:









Is there continuity?

YES -

Go to step 11.

NO -

Repair an open in the wire between the front passenger's power window switch and the front passenger's power window motor.�

11. Check for continuity between front passenger's power window motor 6P connector terminals No. 3, No. 5, and No.6 and body ground individually.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Go to step 12.

12. Test the front passenger's power window motor Front Passenger's Power Window Motor Test.

Is the motor OK?

YES -

Replace the front passenger's power window switch, 4-door Front Passenger's Power Window Switch Replacement (4-Door), 2-door Front Passenger's Power Window Switch Replacement (2-Door).�

NO -

Replace the front passenger's power window motor.�