B1076

DTC B1076: Windshield Wiper Switch Backup Circuit Malfunction

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

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Turn the windshield wiper switch ON for 5 seconds and OFF.
4. Check for DTCs with the HDS.

Is DTC B1076 indicated?

YES - Go to step 5.

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

5. Select BODY ELECTRICAL system select menu, then enter the DATA LIST menu.
6. Check the ON/OFF information of the FR WIPER BACK-UP with the HDS.

Is OFF indicated?

YES - Go to step 7.

NO - Check for a short in the wire between the combination switch control unit and the relay control module (WIPER BACK-UP line), if the harness is OK, replace the combination switch control unit.

7. Turn the windshield wiper switch ON.
8. Check the ON/OFF information of the FR WIPER BACK-UP with the HDS.

Is ON indicated?

YES - Go to the relay control module input test and check for a poor ground, if the GND line is OK, replace the under-hood fuse/ relay box.

NO - Check for an open in the wire between the combination switch control unit and the relay control module (WIPER BACK-UP line), if the wire is OK, replace the combination switch control unit.