DTC Troubleshooting: B1077

  1. Measure the voltage between the wiper motor 4P connector No. 3 [No. 4] terminal and body ground.
    [ ]:RHD model
Is there voltage?
YES -
Repair a short to power in the WHT wire.■
NO -
Faulty driver's MICU; replace the driver's under-dash fuse/relay box.■
  1. Turn the ignition switch to LOCK (0).
  1. Check the No. 3-8 (WIP MTR) (30 A) fuse in the under-hood fuse/relay box.
Is the fuse OK?
YES -
Go to Step 15 .
NO -
Replace the fuse and recheck the system.■
  1. Do the wiper motor test.
Is the wiper motor OK?
YES -
Go to Step 16 .
NO -
Replace the wiper motor and recheck.■
  1. Reconnect the wiper motor 4P connector.
  1. Turn the ignition switch to ON (II).