LKAS Control Unit DTC 7: F-CAN Communication with the VSA Modulator-control Unit Malfunction LKAS Control Unit DTC 13: F-CAN Communication Malfunction (Packet Error of the VSA Modulator-control Unit)

1. Clear the DTCs with the HDS.

1. Turn the ignition switch OFF, then turn it ON (II), and wait for 20 seconds or more.

1. Watch the adaptive cruise control (ACC)/LKAS indicator.

Does the adaptive cruise control (ACC)/LKAS indicator come on?

YES | - | Go to Step 4 .
NO | - | Intermittent failure, the system is OK at this time.■

1. Check for DTCs with HDS.

Is DTC 7 or 13 indicated?

YES | - | Go to Step 5 .
NO | - | Do the appropriate troubleshooting for the code indicated.■

1. Check for adaptive cruise control (ACC) unit DTCs with HDS.

Is DTC 112 indicated?

YES | - | Go to Step 6 .
NO | - | Check for loose terminals in the LKAS control unit connectors, and repair if necessary. If no poor connections are found, replace the LKAS control unit. ■

1. Turn the ignition switch OFF.

1. Disconnect the LKAS control unit 26P connector and the VSA modulator-control unit connector (47P).

1. Check for continuity between LKAS control unit 26P connector terminal No. 12 and VSA modulator-control unit connector (47P) terminal No. 14.

Is there continuity?

YES | - | Go to Step 9 .
NO | - | Repair an open in the wire between the LKAS control unit and the branch of the F-CAN (CANH). ■