Honda Civic. Manual — part 1103

Fig. 3: Wipers/Washers Circuit Diagram
Courtesy of AMERICAN HONDA MOTOR CO., INC.

DTC TROUBLESHOOTING

DTC B1077: WINDSHIELD WIPER (AS) SIGNAL ERROR

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Wipers/Washers - Civic (All Except Hybrid)

1. Clear the DTCs with the HDS.
2. Turn the ignition switch OFF, and then back ON (II).
3. Turn the wiper switch to LOW or HIGH for at least 15 seconds, then turn the

switch OFF.

Does the windshield wiper motor run normally?

YES - Go to step 4.

NO - Go to step 12.

4. Check for DTCs with the HDS.

Is DTC B1077 indicated?

YES - Go to step 5.

NO - Intermittent failure. The windshield wiper system is OK at this time.
Check for loose or poor connections.

5. Turn the ignition switch OFF.
6. Do the wiper motor test (see WIPER/WASHER SWITCH TEST ).

Does the wiper motor run normally?

YES - Go to step 7.

NO - Replace the windshield wiper motor and recheck.

7. Disconnect the under-dash fuse/relay box connector F (34P) and windshield

wiper motor 5P connector.

8. Check for continuity between the No. 5 terminal of the windshield wiper motor

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow
the instructions in B-CAN System Diagnosis Test Mode A
(see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS
TEST MODE A ).

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Wipers/Washers - Civic (All Except Hybrid)

5P connector and No. 32 terminal of the under-dash fuse/relay box connector F
(34P).

Fig. 4: Checking Continuity Between No. 5 Terminal Of Windshield
Wiper Motor 5P Connector And No. 32 Terminal Of Under-Dash
Fuse/Relay Box Connector F (34P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Go to step 9.

NO - Repair an open in the WHT wire.

9. Check for continuity between the No. 5 terminal of the windshield wiper motor

5P connector and body ground.

Fig. 5: Checking Continuity Between No. 5 Terminal Of Windshield
Wiper Motor 5P Connector And Body Ground

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Wipers/Washers - Civic (All Except Hybrid)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES - Repair a short in the WHT wire.

NO - Go to step 10.

10. Turn the ignition switch ON (II).
11. Check for voltage between the No. 5 terminal of the windshield wiper motor

5P connector and body ground.

Fig. 6: Checking Voltage Between No. 5 Terminal Of Windshield Wiper
Motor 5P Connector And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there voltage?

YES - Repair a short to power in the WHT wire.

NO - Faulty MICU; replace the under-dash fuse/relay box.

12. Turn the ignition switch OFF.
13. Check the No. 38 (30 A) fuse in the under-dash fuse/relay box.

Is the fuse OK?

YES - Go to step 14.

NO - Replace the fuse and recheck the system.

2008 Honda Civic EX

2006-08 ACCESSORIES & EQUIPMENT Wipers/Washers - Civic (All Except Hybrid)