DTC Troubleshooting: 30
  1. Check for continuity between the ACC unit 20P connector No. 1 terminal and relay circuit board 10P connector No. 8 terminal.
Is there continuity?
YES -
Check for loose or poor connections. If the connections are OK, update the ACC unit, then recheck. If the ACC unit was already updated, replace the ACC unit. ■
NO -
Repair an open in the wire between the ACC unit and the relay circuit board.■
  1. Test the relay circuit board.
Is the relay circuit board OK?
YES -
Go to Step 22 .
NO -
Replace the under-hood fuse/relay box and recheck.■
  1. Turn the ignition switch to ON (II).