AD32.32-P-5000A | Adaptive damping system (ADS II) diagnosis, troubleshooting | 24.2.97 |
MODEL 129 as of 1.9.95
Complaints | Possible cause | Notes | Test step/remedy |
ADS MIL(Ale27) illuminates when engine is running | Steering angle sensor (N49) not initialized Fault stored | Turn steering wheel from stop to stop Read out HHT fault memory | |
Damping too hard/too soft | Read out HHT fault memory | ||
Vehicle level too low (basic level) | Test and repair work Chassis alignment check | ||
Vehicle lowers when engine is switched off | Read out HHT fault memory Check for external leaks (visual inspection) | ||
Vehicle lowers at front axle | Read out HHT fault memory Check for external leaks (visual inspection) | ||
Vehicle lowers at rear axle | Read out HHT fault memory Check for external leaks (visual inspection) | ||
Vehicle does not lift up at one or both axles | Read out HHT fault memory Check for external leaks (visual inspection) | ||
Oil level too low | Check for external leaks (visual inspection) |
Referenced documents
- ad3232p7001a Adaptive damping system (ADS II), testing hydraulics of valve unit
- ad3232p7002a Adaptive damping system (ADS II), testing hydraulics of front axle circuit
- ad3232p7003a Adaptive damping system (ADS II), testing hydraulics of rear axle circuit
- ad3232p700401a Damper valves, testing hydraulics of adaptive damping system (ADS II)
- ad3232p7005a Adaptive damping system (ADS II), testing hydraulics of level adjustment
- ar4020p0300c Checking vehicle level at front and rear axles
- ar4020p0301c Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary
- ar4020p0301d Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary