15-1

SH-AWD DTC Troubleshooting: 15-1

DTC 15-1: Longitudinal Acceleration 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. Clear the DTC with the HDS.

4. Test-drive the vehicle with an assistant. When accelerating, check the LONGITUDINAL ACCELERATION SENSOR in the DATA LIST with the HDS.

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

NO - Replace the yaw rate-lateral/longitudinal acceleration sensor. Service and Repair


5. Park the vehicle on a level surface.

6. Check the LONGITUDINAL ACCELERATION SENSOR in the DATA LIST with the HDS.

Is there 0.1 G or less?
YES - Go to step 7.

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


7. Test-drive the vehicle for 2 minutes in a vehicle speed is kept constant at 19 mph (30 km/h).

8. Check for DTCs with the HDS.

Is DTC 15-1 indicated?
YES - Replace the yaw rate-lateral/longitudinal acceleration sensor. Service and Repair

NO - Intermittent failure, the system is OK at this time. If the DTC returns, replace the SH-AWD control unit. Service and Repair