1. Check for continuity between LKAS control unit 26P connector terminal No. 25 and PCM connector A (31P) terminal No. 24.

Is there continuity?

YES | - | The F-CAN line is OK at this time. Check for loose terminals in the LKAS control unit connector, and repair if necessary. If no poor connections are found, replace the LKAS control unit. ■
NO | - | Repair an open in the wire between the LKAS control unit and the PCM.■