DTC Troubleshooting: B1077
  1. Measure voltage between the No. 4 terminal of the windshield wiper motor 5P connector and body ground.
Is there voltage?
YES -
Repair a short to power in the WHT wire.■
NO -
Faulty MICU; replace the under-dash fuse/relay box. ■
  1. Turn the ignition switch OFF.
  1. 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.■
  1. Do the windshield wiper motor test.
Does the windshield wiper motor run normally?
YES -
Go to Step 15 .
NO -
Replace the windshield wiper motor.■
  1. Disconnect the under-dash fuse/relay box connector F (34P) and windshield wiper motor 5P connector.