DTC B1076: Windshield Wiper Signal ErrorNOTE: 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 wiper switch to INT, LOW, then HIGH for at least
2 seconds each.
4.
Check for DTCs with the HDS.
Is DTC B1076 indicated?
YES - Go to step 5.
NO - Intermittent failure. The windshield wiper system is OK at this time. Check pinfits and connections.
5.
With the wiper/washer switch OFF, select Windshield Wipers from the BODY ELECTRICAL SYSTEM SELECT MENU, and enter the DATA LIST.
6.
Check the ON/OFF information of the Windshield Wiper Switch (BACK-UP) in the DATA LIST.
Is the information indicator OFF?
YES - Go to step 7.
NO - Go to step 11.
7.
Turn the wiper switch ON (low or high).
8.
Check the ON/OFF information of the Windshield Wiper Switch (BACK-UP) in the DATA LIST.
Is the information indicator ON?
YES - Faulty relay control module; replace the under-hood fuse/relay box.
NO - Go to step 9.
9.
Disconnect the under-hood fuse/relay box connector K (10P) and the wiper/washer switch 8P connector.
10.
Check for continuity between the No. 5 terminal of the under-hood fuse/relay box connector K (10P) and the No. 5 terminal of the wiper/washer switch (combination switch control unit) 8P connector.
Is there continuity?
YES - Faulty combination switch control unit; replace the wiper/washer switch.
NO - Repair an open in the GRN/WHT wire.
11.
Disconnect the relay control module 10P connector.
12.
Check for continuity between the No. 5 terminal of the under-hood fuse/relay box connector K (10P) and body ground.
Is there continuity?
YES - Go to step 13.
NO - Faulty relay control module; replace the under-hood fuse/relay box.
13.
Disconnect the wiper/washer switch 8P connector.
14.
Check for continuity between the No. 5 terminal of the under-hood fuse/relay box connector K (10P) and body ground.
Is there continuity?
YES - Repair a short in the GRN/WHT wire.
NO - Faulty wiper/washer switch; replace it.
