Troubleshoot the indicated VSA system DTC(s).?
NO -
Go to step 2.
2. Check the STEERING ANGLE in the ACC DATA LIST with the HDS, turn the steering wheel from lock-to-lock.
Do any value change?
YES -
Faulty ACC unit; check for loose or poor connections. If OK, update the ACC unit See: Cruise Control/Testing and Inspection/Programming and
Relearning, then recheck. If the ACC unit was already updated, replace the ACC unit See: Cruise Control/Cruise Control Module/Service and
Repair.?
NO -
Faulty steering angle sensor; replace the steering angle sensor See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Steering Angle Sensor/Service and Repair, then do the VSA sensor neutral position memorization See: Brakes and Traction
Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Programming and Relearning.?
VSA System
VSA DTC Troubleshooting: 25, 26, 28
DTC 25:
Yaw Rate Sensor Malfunction
DTC 26:
Lateral Acceleration Sensor Malfunction
DTC 28:
Longitudinal Acceleration Sensor Malfunction
NOTE:
- These code(s) will set after a test drive if the sensor is installed incorrectly.
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
1. Turn the ignition switch to ON (II).
2. Check for DTCs with the HDS.
Is DTC 86 indicated with DTC 25, 26, or 28 at the same time?
YES -
Do the DTC 86 troubleshooting See: 86.
NO -
Go to step 3.
3. Turn the ignition switch to LOCK (0).
4. Substitute a known-good yaw rate-lateral/longitudinal acceleration sensor See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Yaw Rate Sensor/Service and Repair.
5. Turn the ignition switch to ON (II).
6. Clear the DTC with the HDS.
7. Test-drive the vehicle. Drive the vehicle at 19 mph(30 km/h) or more, and go a distance of 985 ft (300 m) or more.
8. Check for DTCs with the HDS.
Is DTC 25, 26, or 28 indicated?
