B1281

DTC Troubleshooting: B1281

DTC B1281:

Front wiper MIST position Circuit Malfunction

DTC B1282:

Front wiper INT(AUTO) position Circuit Malfunction

DTC B1283:

Front wiper LOW position Circuit Malfunction

DTC B1284:

Front wiper HIGH position Circuit Malfunction

NOTE: If you are troubleshooting multiple DTC's, be sure to follow the instruction 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. Operate each wiper switch position, then turn the wiper/washer switch OFF.

4. Check for DTCs with the HDS.

Is DTC B1281, B1282, B1283, or B1284 indicated?

YES -

Go to step 5.

NO -

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

5. Select WIPER from the BODY ELECTRICAL menu, and enter DATA LIST.

6. Check each wiper switch position value with the DATA LIST menu.

When the wiper switch is OFF:





Are all data list values correct?

YES -

Go to step 15.

NO -

Go to step 7.

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

8. Disconnect the wiper/washer switch 8P connector.

9. Turn the ignition switch to ON (II).

10. Select WIPER from the BODY ELECTRICAL menu.

11. Check each wiper switch position value with the DATA LIST menu.





Are all data list values correct?

YES -

Replace the wiper/washer switch Service and Repair.�

NO -

Go to step 12.

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

13. Disconnect under-dash fuse/relay box connector M (34P).

14. Check for continuity between under-dash fuse/relay box connector M (24P) terminals No. 10, No. 11, and No. 12 and body ground.





Is there continuity?

YES -

Repair short to ground in the wires.�

NO -

Faulty MICU, replace the under-dash fuse/relay box.�

- USA models Under-Dash Fuse/Relay Box Removal And Installation (USA Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)

15. Check each wiper switch position value with the DATA LIST menu.

When the wiper switch is ON (LOW):





When the wiper switch is ON (HIGH):





When the wiper switch is MIST:





When the wiper switch is INT:





Are all data list values correct?

YES -

Faulty MICU, replace the under-dash fuse/relay box.�

- USA models Under-Dash Fuse/Relay Box Removal And Installation (USA Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)

NO -

Go to step 16.

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

17. Do the wiper/washer switch test Service and Repair.

Is the wiper/washer switch OK?

YES -

Go to step 18.

NO -

Replace the wiper/washer switch Service and Repair.�

18. Disconnect under-dash fuse/relay box connectors M (34P) and Q (16P).

19. Check for continuity between under-dash fuse/relay box connector M (34P) terminals and the wiper/washer switch 8P connector terminals as shown:


















Is there continuity?

YES -

Faulty MICU, replace the under-dash fuse/relay box.�

- USA models Under-Dash Fuse/Relay Box Removal And Installation (USA Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)

NO -

Repair open in the wires.�