LKAS Control Unit DTC 8: F-CAN Communication with the PGM-FI ECU Malfunction LKAS Control Unit DTC 14: F-CAN Communication Malfunction (Packet Error of the PGM-FI ECU) Clear the DTCs with the HDS. Turn the ignition switch OFF, then turn it ON (II), and wait for 20 seconds or more. 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.■
Check for DTC with HDS. Is DTC 8 or 14 indicated?
YES | - | Go to Step 5 .
NO | - | Do the appropriate troubleshooting for the code indicated.■
Check for adaptive cruise control (ACC) unit DTCs with HDS. Is DTC 110 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. ■
Turn the ignition switch OFF. Disconnect the LKAS control unit 26P connector and the PCM connector E (31P). Check for continuity between LKAS control unit 26P connector terminal No. 12 and PCM connector A (31P) terminal No. 11. 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).■