Manufacturer Code Charts: 27

VSA DTC Troubleshooting: 27

DTC 27:

Steering Angle Sensor (Hardware)

1. Check the size, air pressure, and the amount of wear of all four tires, and check the wheel alignment Service and Repair.

Is the tire condition and wheel alignment OK?

YES -

Go to step 2.

NO -

Install same size tires, adjust air pressure, or replace the tire(s) if worn beyond the minimum amount. Make sure the suspension is not modified, and adjust the wheel alignment, and recheck by test-driving.�

2. Turn the ignition switch to ON (II).

3. Check for DTCs with the HDS.

Is DTC 86 indicated with DTC 27 at the same time?

YES -

Do the troubleshooting for DTC 86 86, and recheck.�

NO -

Go to step 4.

4. Turn the ignition switch to LOCK (0).

5. Check the installation of the steering angle sensor Service and Repair.

Is the steering angle sensor installed correctly?

YES -

Go to step 7.

NO -

Go to step 6.

6. Do the steering angle sensor point writing Testing and Inspection.

7. Turn the ignition switch to ON (II).

8. Clear the DTCs with the HDS.

9. Turn the ignition switch to LOCK (0) and then back to ON (II).

10. Check for DTCs with the HDS.

Is DTC 27 indicated?

YES -

Go to step 11.

NO -

Intermittent failure, the system is OK at this time.�

11. Turn the ignition switch to LOCK (0).

12. Substitute a known-good steering angle sensor Service and Repair.

13. Turn the ignition switch to ON (II).

14. Clear the DTCs with the HDS.

15. Turn the ignition switch to LOCK (0) and then back to ON (II).

16. Check for DTCs with the HDS.

Is DTC 27 indicated?

YES -

Replace the VSA modulator-control unit Service and Repair.�

NO -

Replace the original steering angle sensor Service and Repair.�