B1283

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. Turn the windshield wiper switch to MIST, INT, LOW, HIGH, and OFF positions, and wait for at lease 6 seconds.

4. Check the DTCs with the HDS.

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

YES -

Go to step 5.

NO -

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

5. Select WIPERS from the BODY ELECTRICAL SYSTEM SELECT menu, and enter DATA LIST.

6. Check the ON/OFF information of the WINDSHIELD WIPER SWITCH (MIST), WINDSHIELD WIPER SWITCH (INT), WINDSHIELD WIPER SWITCH (LOW) and WINDSHIELD WIPER SWITCH (HIGH) in the DATA LIST.

Are the WINDSHIELD WIPER SWITCH (MIST) information indicator OFF, WINDSHIELD WIPER SWITCH (INT) information indicator OFF, WINDSHIELD WIPER SWITCH (LOW) information indicator OFF and WINDSHIELD WIPER SWITCH (HIGH) information indicator OFF with the windshield wiper switch in OFF position?

YES -

Go to step 13.

NO -

Go to step 7.

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

8. Disconnect the 8P connector from the windshield wiper switch.

9. Check the ON/OFF information of the WINDSHIELD WIPER SWITCH (MIST), WINDSHIELD WIPER SWITCH (INT), WINDSHIELD WIPER SWITCH (LOW) and WINDSHIELD WIPER SWITCH (HIGH) in the DATA LIST.

Are the information indicators OFF?

YES -

Faulty windshield wiper switch; replace it Service and Repair.

NO -

Go to step 10.

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

11. Disconnect under-dash fuse/relay box connector S (20P).

12. Check for continuity between body ground and under-dash fuse/relay box connector S (20P) terminals No. 10, No. 20, and No. 15 individually.





Is there continuity?

YES -

Repair a short to ground in the wire.

NO -

Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

13. Check the ON/OFF information in the DATA LIST for WINDSHIELD WIPER SWITCH (MIST) with the windshield wiper switch in the MIST position, WINDSHIELD WIPER SWITCH (INT) with the windshield wiper switch in the INT position, WINDSHIELD WIPER SWITCH (LOW) with the windshield wiper switch in the LOW position, and WINDSHIELD WIPER SWITCH (HIGH) with the windshield wiper switch in the HIGH position.

Are all the information indicators ON?

YES -

Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

NO -

Go to step 14.

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

15. Check the windshield wiper switch Service and Repair.

Is the windshield wiper switch OK?

YES -

Go to step 16.

NO -

Faulty windshield wiper switch, replace it Service and Repair.

16. Disconnect under-dash fuse/relay box connector S (20P).

17. Check for continuity between under-dash fuse/relay box connector S (20P) terminals No. 4, No. 10, No. 15, and No. 20 and windshield wiper switch 8P connector terminals No. 5, No. 2, No. 3, and No. 4 respectively.





Is there continuity?

YES -

Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.

NO -

Repair an open or high resistance in the wire.