DTC Troubleshooting: B1077

DTC B1077: Windshield Wiper (As) Signal Error

1. Turn the ignition switch ON (II).

1. Turn the windshield wiper switch ON.

Does the reception desk wiper operate?

YES | - | Go to Step 4 .
NO | - | Go to Step 3 .

1. Check the No. 11 (30 A) fuse and wiper relay in the under-dash fuse/relay box.

1. Clear the DTCs using the HDS.

1. Check the ON/OFF information of the FR WIPER (AS) in the DATA LIST.

Does the information indicator ON and OFF Alternately as the wipers pass the PARK position?

YES | - | Replace the relay control module.■
NO | - | Go to Step 6 .

1. 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

Is there continuity?

YES | - | Replace the windshield wiper motor.■
NO | - | Repair an open in the WHT wire.■