16. Check for continuity between ACC unit 20P connector terminal No. 20 and PCM connector A (49P) terminal No. 49.
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 A line (F-CAN A L).?
112
Adaptive Cruise Control (ACC) DTC Troubleshooting: 112
DTC 112:
Lost Communication with the VSA Modulator-Control Unit
1. Check the VSA indicator on the gauge control module See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing
and Inspection/Reading and Clearing Diagnostic Trouble Codes.
Does the VSA indicator (amber) stay on?
YES -
Go to step 2.
NO -
Go to step 3.
2. Check for VSA system DTCs with the HDS.
Are there any VSA system DTCs?
YES -
Go to step 3.
NO -
Troubleshoot the VSA system.?
3. Clear the DTCs with the HDS.
4. Turn the ignition switch to ON (II), then wait for 10 seconds.
5. Press the MAIN switch ON.
