DTC Troubleshooting: B1077

DTC B1077:

Windshield Wiper (As) Signal Error

1.	Clear the DTCs using the Honda PGM Tester or the HDS.

2.	Cycle the ignition switch to OFF and then back ON.

3.	Turn the wiper switch to INT, LOW, then HIGH for at least 2 seconds each.

4.	Check the DTCs. Is DTC B1077 indicated? YES - Go to 5. NO - Intermittent failure. The windshield wiper system is OK at this time.n

5.	Turn the ignition switch ON (ll).

6.	Select the TEST MODE MENU from the Honda PGM Tester or the HDS and enter the DATA LIST.

7.	Turn the windshield wiper switch ON.

8.	Check the ON/OFF information of the FR WIPER INT, FR WIPER LO, and FR WIPER HI in the DATA LIST at each wiper switch position. Is the information indicator ON at each switch position? YES - Go to 9. NO - Go to 17.

9.	Select the MISC. TEST of the TEST MODE MENU, and operate the windshield wiper motor with FR WIPER (LOW) and FR WIPER (HIGH). Does the windshield wiper motor run? YES - Go to 10. NO - Go to 18.

10.	Turn the windshield wiper switch OFF, and stop the wiper arms at the park position. (If the wiper arms do not stop at the park position, turn the ignition switch OFF and stop them at the park position correctly.)

11.	Turn the ignition switch ON. Do the wipers begin to run as soon as the ignition is cycled ON? YES - Go to 16. NO - Go to 12.

12.	Check the ON/OFF information of the FR WIPER AS in the DATA LIST. Is the information indicator OFF? YES - Go to 13. NO - Faulty relay control module; Replace the under-hood fuse/relay box.n

13.	Turn the ignition switch ON (ll), and turn the windshield wiper switch ON at low speed.

14.	Check the ON/OFF information of the FR WIPER AS in the DATA LIST. Does the information indicater ON and OFF alternately as the wipers pass the PARK position? YES - Intermittent failure, the windshield wiper system is OK at this time.n NO - Go to 15.

15.

Check for continuity between the No. 4 [No. 5] terminal of the windshield wiper motor 5P connector and No. 5 terminal of the under-hood fuse/relay box 5P connector J.
[ ]: RHD type

UNDER-HOOD FUSE/RELAY BOX 5P CONNECTOR JWire side of
female
terminalsWHT
(FR WIPER (As))Wire side of
female
terminalsWINDOW SHIELD
WIPE MOTOR
5P CONNECTOR
(LHD type)WINDOW SHIELD
WIPE MOTOR
5P CONNECTOR
(RHD type)Wire side of
female terminals

Is there continuity?

YES - Faulty windshield wiper motor; replace it.n

NO - Repair an open in the WHT wire.n

16.

Check for continuity between the No. 5 terminal of the under-hood fuse/relay box 5P connector J and body ground.

UNDER-HOOD FUSE/RELAY BOX 5P CONNECTOR JWHTWire side of female terminals

Is there continuity?

YES - Repair a short in the WHT wire.n

NO - Faulty windshield wiper motor; replace it.n

17.	Check the No. 7 (10A), No. 11 (30A) and No. 21 (7.5A) fuses in the under-dash fuse/relay box. Are the fuses OK? YES - Faulty relay control module; Replace the under-hood fuse/relay box.n NO - Replace the blown fuse and recheck the system.n

18.	Turn the ignition switch OFF, and check the No. 11 (30A) fuse in the under-dash fuse/relay box. Is the fuse OK? YES - Go to 19. NO - Replace the blown fuse and recheck the system.n

19.	Turn the ignition switch ON (ll).

20.	Check for voltage between the No. 2 terminal of the windshield wiper motor 5P connector and body ground. GRNWire side of female terminalsWINDSHIELD WIPER MOTOR 5P CONNECTOR Is there battery voltage? YES - Go to 21. NO - Repair an open in the GRN wire.n

21.

Check for continuity between the No. 3 [No. 1] and No. 5 [No. 4] terminals of the windshield wiper motor 5P connector and the No. 2 and No. 4 terminal of the under-hood fuse/relay box 5P connector J.
[ ]: RHD type

LHD type:

UNDER-HOOD FUSE/RELAY BOX 5P CONNECTOR JBLUWire side of
female terminalsWINDSHIELD
WIPER MOTOR
5P CONNECTORYELWire side of
female terminalsBLUYEL

RHD type:

BLUWire side of
female terminalsWINDSHIELD
WIPER MOTOR
5P CONNECTORYELWire side of
female terminalsBLUYEL

Is there continuity?

YES - Repair an open in the BLU or YEL wire.n

NO - Go to 22.

22.	Perform the wiper motor test. Does the wiper motor operate correctly? YES - Faulty relay control module; Replace the under-hood fuse/relay box.n NO - Replace the windshield wiper motor.n