DTC Troubleshooting: 20

LKAS Control Unit DTC 20: EPS (LKAS) System Malfunction

1. Clear the DTCs with the HDS.

1. Start the engine and test-drive the vehicle at 72 km/h (45 mph) or more, and turn the main switch ON.

1. Drive a car in the LKAS operating condition.

1. Watch the EPS (LKAS) indicator.

Does the EPS (LKAS) indicator come on?

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

1. Check for LKAS control unit DTCs with HDS.

Is DTC 20 indicated?

YES | - | Do the troubleshooting for the EPS (LKAS) control unit. ■
NO | - | Troubleshoot the indicated DTC.■