ar3233p0008rt

Remove/install electronic level adjustment control unit (ENR)

Type ar · topic 32.33 · version 0201 · 2007-07-31

Applies to: MODEL 251 with CODE (488) Steel/air suspension

Where it sits

Function group 2 Chassis › 32 Suspension › 32.33 Ground clearance compensator (NR/ENR) — Series 251

EinPAS 20 Chassis › 20.20 Level control › 20.20.11 Control unit/relay — Series 251

AR32.33-P-0008RT

Remove/install electronic level adjustment control unit (ENR)

25.7.07

MODEL 251 with CODE (488) Steel/air suspension

Remove/install electronic level adjustment control unit (ENR)

P32.33-2011-09

Shown on model 251.1

1 Impact absorber

2 Nuts

3 Clips

4 Nuts

5 Intermediate bottom

6 Electrical connector

7 Nut

8 Screw

N97 Rear axle level control system control unit

Modification notes

4.8.06

Disconnect ground line - discontinued

Remove/install

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Read out coding from rear axle level control system control unit (N97) using STAR DIAGNOSIS diagnosis system

Only when the rear axle level control system control unit (N97) is replaced and if it can still be read out using 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

Disconnect electrical connector (6)

7

Unscrew nut (7), bolt (8) and rear axle level control system control unit (N97)

8

Install in the reverse order

9

Code the rear axle level control system control unit (N97) by means of the STAR DIAGNOSIS diagnosis system

Only when installing a new rear axle level control system control unit (N97).

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

10

Check vehicle level at front and rear axle by means of STAR DIAGNOSIS diagnosis system, adjust and store normal level in the rear axle level control system control unit (N97) again

Only when installing a new rear axle level control system control unit (N97).

11

Perform basic programming

AR00.19-P-0200RT

Referenced documents