DTC 27

DTC 27: Steering Angle Sensor

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

Is the tire condition and wheel alignment OK?

YES - Go to step 2.

NO - Make sure the suspension is not modified, and adjust the wheel alignment correctly, and recheck by test-driving.

2. Turn the ignition switch to ON (II).
3. Clear the DTC with the HDS.
4. Slowly drive the vehicle straight ahead without turning the steering wheel for 10 ft (3 m) or more, then park the vehicle while holding the steering wheel in the straight ahead position.
5. Check the STEERING ANGLE in the VSA DATA LIST with the HDS.

Is it 0° ± 3°?

YES - Go to step 7.

NO - Go to step 6.

6. Do the VSA sensor neutral position memorization. Programming and Relearning
7. Turn the ignition switch to LOCK (0), then disconnect the HDS.
8. Test-drive the vehicle around a number of corners.
9. Check the DTCs with the HDS.

Is DTC 27 indicated?

YES - Go to step 10.

NO - If the DTC 86 is indicated, do the DTC 86 troubleshooting. DTC 86 If no DTCs are indicated, the system is OK at this time.

10. Turn the ignition switch to LOCK (0).
11. Substitute a known-good steering angle sensor.

NOTE: Make sure the steering angle sensor and combination switch are mounted property.

12. Turn the ignition switch to ON (II).
13. Clear the DTC with the HDS.
14. Do the VSA sensor neutral position memorization. Programming and Relearning
15. Turn the ignition switch to LOCK (0), then disconnect the HDS.
16. Test-drive the vehicle around a number of corners.
17. Check for DTCs with the HDS.

Is DTC 27 indicated?

YES - Go to step 18.

NO - Replace the original steering angle sensor.

18. Turn the ignition switch to LOCK (0).
19. Substitute a known-good sensor cluster.

NOTE: Check that the sensor cluster mounting bracket is not bent or twisted, and make sure the sensor cluster is mounted properly and fixed.

20. Turn the ignition switch to ON (II).
21. Clear the DTC with the HDS.
22. Do the VSA sensor neutral position memorization. Programming and Relearning
23. Turn the ignition switch to LOCK (0), then disconnect the HDS.
24. Test-drive the vehicle around a number of corners.
25. Check for DTCs with the HDS.

Is DTC 27 indicated?

YES - Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit.

NO - Replace the original sensor cluster.