Steering Angle Sensor

VSA DTC Troubleshooting: 27

DTC 27: Steering Angle Sensor

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

2. Clear the DTC with the HDS. Initial Inspection and Diagnostic Overview

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Test-drive the vehicle around a number of corners.

5. Check for DTCs with the HDS.

Is DTC 27 indicated?
YES - Go to step 6.

NO - The system is OK at this time. Refer to intermittent failures. Initial Inspection and Diagnostic Overview Check for loose terminals or poor connections.


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

7. Disconnect the steering angle sensor 5P connector.

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

9. Measure the voltage between the steering angle sensor 5P connector terminal No. 5 and body ground.

Is there battery voltage?
YES - Go to step 10.

NO - Repair open in the wire between the No. 18 (15 A) fuse in the driver's under-dash fuse/relay box and the steering angle sensor.






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

11. Reconnect the steering angle 5P connector.

12. Measure the voltage between the steering angle sensor 5P connector terminal No. 1 and body ground.

Is there 0.1 volts or less?
YES - Replace the steering angle sensor. Service and Repair

NO - Repair open in the wire between the steering angle sensor and body ground (G501).