ar8057p1000rt

Remove/install electronic ignition switch control unit

Type ar · topic 80.57 · version 0200 · 2006-08-16

Applies to: MODEL 251

Where it sits

Function group 3 Body › 80 Central locking system, convenience operation, drive authorization systems › 80.57 Drive authorization system (DAS) — Series 251

EinPAS 25 On-board/network/multifunction › 25.15 Network/multifunction › 25.15.11 Control unit/module/relay — Series 251

EinPAS 29 Drive authorization/security system › 29.25 Drive authorization › 29.25.11 Control unit/relay — Series 251

AR80.57-P-1000RT

Remove/install electronic ignition switch control unit

3.8.06

MODEL 251

Remove/install electronic ignition switch control unit

P80.57-2082-04

Shown on vehicle with COMAND APS USA (with navigation system), code 530 and with comfort automatic air conditioning, code 581:

1 Trim ring

2 Instrument panel lower section

3 Electrical connectors

A2 Radio

N73 EIS [EZS] control unit

Modification notes

26.7.06

"Disconnect/connect ground line for battery" and "Perform basic programming" eliminated

Steps 2 and 8

Remove/install

Notes on avoiding damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Transfer basic data for EIS control module (N73) in STAR DIAGNOSIS

Only when replacing EIS control module

Installation: Transfer basic data from STAR DIAGNOSIS to new EIS [EZS] control unit (N73).
On vehicles with electric glass sliding/pop-up roof, code 414 it is essential to perform the teach-in run for obstruction sensor unit of sliding roof.

Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS diagnosis system

*WH58.30-Z-1048-13A

2

Remove radio (A2)

Do not disconnect electrical connectors.

AR82.60-P-7502RT

3

Unscrew rosette (1) using claw-type wrench

Claw-type wrench for ignition / starter switch trim ring

*210589000700

4

Pull the EIS [EZS] control unit (N73) forwards out of the lower section of the instrument panel (2) until the electrical connectors (3) are accessible

Access through radio installation shaft.

Installation: Ensure correct installation position.

5

Unplug electrical connectors (3) and remove electronic ignition switch control unit (N73)

6

Install in the reverse order

Remove/install electronic ignition switch control unit

Claw-type wrench for rosette on ignition switch

210 589 00 07 00

Commercially available tools

Number

Designation

WH58.30-Z-1048-13A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car

6511 1801 00

Referenced documents