EPS (LKAS) Control Unit DTC 111: A Communication Defect with LKAS 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 111 indicated?

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

1. Turn the ignition switch OFF.

1. Disconnect the EPS (LKAS) control unit connector C (13P).

1. Turn the ignition switch ON (II).

1. Measure the voltage between EPS (LKAS) control unit connector C (13P) terminal No. 2 and body ground.

Is there battery voltage?

YES | - | Repair short to power in the wire between EPS (LKAS) control unit and LKAS control unit.■
NO | - | Go to Step 9 .

1. Turn the ignition switch OFF.

1. Connect the EPS (LKAS) control unit connector C (13P).

1. Disconnect the LKAS control unit 26P connector.

1. Turn the ignition switch ON (II).