33-2

SH-AWD DTC Troubleshooting: 33-2, 33-3

DTC 33-2, 33-3: Yaw Rate Sensor Malfunction

NOTE: Before you troubleshoot, review the general troubleshooting information. Initial Inspection and Diagnostic Overview

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

2. Make sure the HDS communicates with vehicle and the SH-AWD control unit. If it doesn't, troubleshoot the DLC circuit. Testing and Inspection

3. Check for DTCs in the VSA system with the HDS.

Are any yaw rate sensor DTCs indicated?
YES - Go to the indicated DTC's troubleshooting.

NO - Go to step 4.


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

Does the sensor value change when turning?
YES - Go to step 5.

NO - Update the SH-AWD control unit if it does not have the latest software, SH-AWD Control Unit Update or substitute a known-good SH-AWD control unit Service and Repair 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. Service and Repair


5. Park the vehicle on a level surface.

6. Check the YAW RATE SENSOR in the DATA LIST with the HDS.

Is there 3.5 degls or less?
YES - Intermittent failure, the system is OK at this time. If the DTC returns, replace the SH-AWD control unit. Service and Repair

NO - Do the yaw rate-lateral/longitudinal acceleration neutral position memorization. SH-AWD Yaw Rate-Lateral/Longitudinal Acceleration Neutral Position Memorization If the DTC returns, replace the SH-AWD control unit. Service and Repair