B1282

DTC Troubleshooting: B1281, B1282, B1283, B1284

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 DTCs, be sure to follow the instructions 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 windshield 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.

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

When the windshield wiper switch is OFF:





Are all data list values indicated OFF?

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 windshield wiper switch position value with the DATA LIST menu.





Are all data list values indicated OFF?

YES -

Replace the wiper/washer switch.�

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 body ground and under-dash fuse/relay box connector M (34P) terminals No. 10, No. 11, and No. 12.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

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

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

15. Check for continuity between the under-dash fuse/relay box connector Q (16P) terminal and the under-dash fuse/relay box connector M (34P) terminals as shown:









Is there continuity?

YES -

Repair a short in the wires.

NO -

Go to step 16.

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

When the windshield wiper switch is ON (LOW):





When the windshield wiper switch is ON (HIGH):





When the windshield wiper switch is MIST:





When the windshield 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 (Except Canada Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)

NO -

Go to step 17.

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

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

Is the wiper/washer switch OK?

YES -

Go to step 19.

NO -

Replace the wiper/washer switch.�

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

20. Check for continuity between the 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 (Except Canada Models)
- Canada models Under-Dash Fuse/Relay Box Removal And Installation (Canada Models)

NO -

Repair an open or high resistance in the wire.�