Is there continuity?
YES -
Faulty PCM; replace the PCM See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and Repair.?
NO -
Repair an open in the wire between the ACC unit and the branch of the F-CAN B line (F-CAN B L).?
12. Turn the ignition switch to LOCK (0).
13. Disconnect the ACC unit 20P connector.
14. Jump the SCS line with the HDS, then disconnect PCM connector A (49P) See: Powertrain Management/Computers and Control
Systems/Engine Control Module/Service and Repair.
15. Check for continuity between ACC unit 20P connector terminal No. 10 and PCM connector A (49P) terminal No. 48.
Is there continuity?
YES -
Go to step 16.
NO -
Repair an open in the wire between the ACC unit and the branch of the F-CAN A line (F-CAN A H).?