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Diagnostic Manual, Chassis and Drivetrain,
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LOCATION:    3.2 Adaptive Damping System (ADS)   >   12 Diagnosis - Diagnostic Trouble Code (DTC) Memory


Diagnosis - Diagnostic Trouble Code (DTC) Memory

Test Preparation for DTC Readout
1. Connect impulse counter scan tool or Hand-Held Tester (HHT) to the data link connector (X11/4) according to the connection diagram as shown in section 0.

Note: Connect yellow wire from impulse counter scan tool to:
ADS control module (N51) socket 11
Base module (N16/1) socket 8
2. Read out any stored DTC's from ADS control module (N51) and BM (N16/1).

Diagnostic trouble code (DTC) Possible cause Test step/Remedy 1)
   
-- No fault in system. In case of complaint: 23 and 33 (entire test)
ADS control module (N51) Replace N51.
Body acceleration sensor (B24) 23 7.0
Wheel acceleration sensor (B24/1) 23 6.0
Steering angle sensor (N49) 23 9.0
Left/right front axle solenoid valve 1 (Y51y1, Y52y1) 23 14.0, 16.0
Left/right front axle solenoid valve 2 (Y51y2, Y52y2) 23 15.0, 17.0
Left/right rear axle solenoid valve 1 (Y53y1, Y54y1) 23 12.0
Left/right rear axle solenoid valve 2 (Y53y2, Y54y2) 23 13.0
Not for U.S.A. vehicles.  
Not for U.S.A. vehicles.  
Model 129
Left front (VSS) from ABS or ABS/ASR control module
Model 140
Right front (VSS) from ABS or ABS/ASR control module		 23 4.0


Model 129 only

Oil level switch (S44)
23 18.0
Steering angle sensor (N49) not initialized 23 10.0
Comfort/sport switch (S45/1), short circuit 23 11.0
Not for U.S.A. vehicles.  
Vehicle load sensor (N51/1) 23 8.0
ADS MIL (A1e27) 23 5.0
Voltage supply too low 23 1.0
Steering angle sensor (N49) 23 9.0
Voltage supply too high 23 1.0
Comfort/sport switch (S45/1) 23 11.0
Not for U.S.A. vehicles.  
1) Observe Preparation for Test, see 22.



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