DTC Troubleshooting: 10

Adaptive Cruise Control (ACC) Unit DTC 10: Vehicle Speed Signal Error NOTE: If DTC 110 and DTC 111 are stored at the same time as DTC 10, troubleshoot DTC 110 and DTC 111 first, then recheck for DTC 10.

1. Check for PGM-FI system DTCs with the HDS.

Are any DTC indicated?

YES | - | Troubleshoot the indicated PGM-FI system DTC(s).■
NO | - | Go to Step 2 .

1. Check for VSA system DTCs with the HDS.

Are any DTCs indicated?

YES | - | Troubleshoot the indicated VSA system DTC(s).■
NO | - | Go to Step 3 .

1. Clear the DTCs with the HDS.

1. Test-drive the vehicle at 15 km/h (9.3 mph) or more, and turn the main switch ON.

1. Test-drive with the adaptive cruise control (ACC) activated, and watch the adaptive cruise control (ACC)/LKAS indicator.

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

YES | - | Go to Step 6 .
NO | - | Intermittent failure. The system is OK at this time. Check for loose or poor connections.■

1. Check for DTCs with the HDS.

Is DTC 10 indicated?

YES | - | Check for loose or poor connections. If OK, replace the adaptive cruise control (ACC) unit. ■
NO | - | Troubleshoot the indicated DTC.■