DTC 12-3

DTC Troubleshooting

DTC 12-1, 12-2, 12-3: Lateral Acceleration Sensor Malfunction

NOTE: Before you troubleshoot, review the general troubleshooting information.

1. Turn the ignition switch ON (II).
2. Check for DTCs in the VSA system with the HDS.

Are any Lateral Acceleration sensor DTCs indicated?

YES - Go to the indicated DTC's troubleshooting.

NO - Go to step 3.

3. Test-drive the vehicle with an assistant in a left and right zig-zag pattern at about 13 mph (20 km/h) and check the LATERAL ACCELERATION SENSOR in the DATA LIST with the HDS.

Does the sensor value change when turning?

YES - Go to step 4.

NO - Update the SH-AWD control unit if it does not have the latest software, or substitute a known-good SH-AWD control unit and recheck. If the symptom/indication goes away with the updated SH-AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good SH-AWD control unit, replace the original SH-AWD control unit.

4. Park the vehicle on a level surface.
5. Check the LATERAL ACCELERATION SENSOR in the DATA LIST with the HDS.

Is there 0.1 G or less?

YES - Intermittent failure, the system is OK at this time. If the DTC returns, replace the SH-AWD control unit.

NO - Do the Yaw rate-lateral acceleration neutral position memorization. Programming and Relearning If the DTC returns, replace the SH-AWD control unit.