DTC B1076: Windshield Wiper Signal Error 1.
Clear the DTCs using the HDS.
2.
Cycle the ignition switch to 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 using 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 HDS, 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 relay control module 10P connector and the wiper/washer switch 8P connector
10.
Check for continuity between the No.5 terminal of the relay control module 10P connector 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 and the wiper/washer switch 8P connector
12.
Check for continuity between the No.5 terminal of the relay control module 10P connector and body ground.
Is there continuity?
YES - Repair a short in the GRN/WHT wire
NO - Faulty relay control module, replace the under-hood fuse/relay box.
