YES -
Go to step 6.
NO -
Intermittent failure, the system is OK at this time. Check for poor or loose connections between the VSA modulator-control unit and the active
damper control unit.?
6. Check for VSA system DTCs with the DTS See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
Is any DTC indicated?
YES -
Go to the indicated VSA system DTC's troubleshooting.?
NO -
Go to step 7.
7. Turn the ignition switch to LOCK (0).
8. Substitute a known-good active damper control unit See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and
Modules - Suspension/Suspension Control Module/Service and Repair.
9. Turn the ignition switch to ON (II).
10. Clear the DTC with the HDS.
11. Turn the ignition switch to LOCK (0).
12. Test-drive the vehicle around corners at 10 mph (15 km/h) or more.
13. Check for DTCs with the HDS.
Is DTC 3-4 indicated?
YES -
Update the VSA modulator-control unit if it does not have the latest software See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Traction Control Module/Testing and Inspection, or substitute a known-good VSA modulator-control unit See: Brakes and Traction
Control/Antilock Brakes / Traction Control Systems/Traction Control Module/Service and Repair, then go to step 1 and recheck. If the VSA
modulator-control unit was updated and DTCs are not indicated, troubleshooting is complete. If the VSA modulator-control unit was substituted
and DTCs are not indicated, replace the original VSA modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Traction Control Module/Service and Repair.?
NO -
Replace the original active damper control unit See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and Modules -
Suspension/Suspension Control Module/Service and Repair.?
3-6
Active Damper System DTC Troubleshooting: 3-1, 3-3, 3-6, 3-7, 3-9, 3-A
DTC 3-1:
Yaw Rate-Lateral/Longitudinal Acceleration Sensor Range/Performance Problem (Yaw Rate Signal-Lateral Acceleration Signal Incorrect
Correlation)
DTC 3-3:
Yaw Rate-Lateral/Longitudinal Acceleration Sensor Malfunction (Lateral Acceleration Sensor)
DTC 3-6:
Yaw Rate-Lateral/Longitudinal Acceleration Sensor Malfunction (Yaw Rate Sensor)
