DTC Troubleshooting: 112

Adaptive Cruise Control (ACC) Unit DTC 112: Lost Communication with the VSA Modulator-Control Unit Check for VSA system DTCs with the HDS. Are any DTCs indicated?
YES | - | Troubleshoot the indicated VSA system DTC(s).■
NO | - | Go to Step 2 .
Clear the DTCs with the HDS. Turn the main switch ON. Check for DTCs with the HDS. Is DTC 112 indicated?
YES | - | Go to Step 5 .
NO | - | Intermittent failure. The system is OK at this time. Check for loose or poor connections.■
Turn the ignition switch OFF. Disconnect the 20P connector from the adaptive cruise control (ACC) unit. Disconnect the VSA modulator-control unit 47P connector. Check for continuity between the adaptive cruise control (ACC) unit 20P connector No. 10 terminal and the VSA modulator-control unit 47P connector No. 14 terminal. Is there continuity?
YES | - | Go to Step 9 .
NO | - | Repair an open in the wire between the adaptive cruise control (ACC) unit and the branch of the F-CAN line (CANH).■

Check for continuity between the adaptive cruise control (ACC) unit 20P connector No. 20 terminal and the VSA modulator-control unit 47P connector No. 30 terminal. Is there continuity?
YES | - | Check for loose or poor connections. If OK, replace the adaptive cruise control (ACC) unit. ■
NO | - | Repair an open in the wire between the adaptive cruise control (ACC) unit and the branch of the F-CAN line (CANL).■