ar3222p6000rt

Remove/install air suspension control unit

Type ar · topic 32.22 · version 0201 · 2007-07-31

Applies to: MODEL 251 with CODE (489) Airmatic (air suspension with level adjustment and adaptive damping system ADS )

Where it sits

Function group 2 Chassis › 32 Suspension › 32.22 Air suspension — Series 251

EinPAS 20 Chassis › 20.16 Suspension › 20.16.11 Control unit/relay — Series 251

AR32.22-P-6000RT

Remove/install air suspension control unit

25.7.07

MODEL 251 with CODE (489) Airmatic (air suspension with level adjustment and adaptive damping system ADS )

Remove/install air suspension control unit

P32.22-2362-09

1 Impact absorber

2 Nuts

3 Clips

4 Nuts

5 Intermediate bottom

6 Electrical connectors

7 Nuts

N51 AIRMATIC with ADS control unit

Modification notes

4.8.06

Disconnect ground line - discontinued

Remove/install

Information on preventing damage to electronic components due to electrostatic discharge

All models

AH54.00-P-0001-01A

1

Read out coding of AIRmatic with ADS control unit (N51) by means of STAR DIAGNOSIS diagnosis system

Only when replacing the AIRmatic with ADS control unit (N51) and if it can still be read out with the STAR DIAGNOSIS diagnosis system.

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

2

Remove front floor covering

Right side of vehicle

AR68.20-P-2070RT

3

Remove impact absorber (1)

4

Unscrew nuts (2, 4) and remove clips (3)

Installation: Do not mix up nuts (2) and nuts (4).

Installation: Pay attention to correct seat of clips (3)

5

Remove intermediate bottom (5)

6

Separate electrical connectors (6)

7

Undo nuts (7) and remove the AIRmatic with ADS control unit (N51)

8

Install in the reverse order

9

Code AIRmatic with ADS control unit (N51) using STAR DIAGNOSIS diagnosis system

Only when installing a new AIRmatic with ADS control unit (N51).

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

10

Check vehicle level at front and rear axle, adjust it and save normal level in the AIRmatic with ADS control unit (N51)

Only when installing a new AIRmatic with ADS control unit (N51).

11

Perform basic programming

AR00.19-P-0200RT

Referenced documents