Settings On Workshop Level, Function - GF54.30-P-2020CE

MODEL 204.0 (except 204.077), 204.2 (except 204.277) as of model year 2009 with CODE 442 (Luxury multifunction steering wheel) 

MODEL 204.077/277 as of model year 2009 

MODEL 204.3 (except 204.377) with CODE 442 (Luxury multifunction steering wheel) 

MODEL 204.377 

MODEL 204.9 with CODE 442 (Luxury multifunction steering wheel) 

Function requirements, general 

• Circuit 15R ON

The electronic ignition lock control unit (N73) transmits the circuit status of circuit 15 via interior CAN (CAN B) to the instrument cluster (A1).

Function sequence for workshop level settings in general 

The workshop level is used by the technician in the workshop for reading out vehicle and service data and provides assistance with carrying out the service.

The "Workshop level" menu is activated as follows:

• Select "Trip" menu
• Press "Accept phone call" button of the accept/end phone call button (S111s3) and O.K. button (S110s6) simultaneously for t > 3 s

The display in the multifunction display (A1p13) changes to the workshop level. By pressing the scroll forward/back button (S110s1) in the left multifunction steering wheel button group (S110), it is possible to change between the respective menus and submenus or to scroll through various lists. Selection is then made by pressing the OK button.

The steering wheel electronics (N135) read in the control interventions at the multifunction steering wheel button groups directly and send them via the steering LIN (LIN E1) to the steering column tube module control unit (N80). The steering column tube module control unit forwards them via the chassis CAN to the instrument cluster.

The following menus are accessible:

• Vehicle data menu 
• Dynamometer test mode menu 
• ASSYST-PLUS workshop menu 

Vehicle data menu 

The following data can be called up in the Vehicle data menu:

• Voltage U in volt and amp draw I in ampere of on-board electrical system
• Data from instrument cluster (e.g. version numbers, software releases)
• Engine data (e.g. engine number)
• Oil data (e.g. filling capacity, temperature)
• Vehicle data (e.g. chassis number)

Dynamometer test mode menu 

Activating the dynamometer test mode prevents faults being entered in the Electronic Stability Program control unit (N30/4) during the brake test on the roller dynamometer. It is possible to switch between the following settings in the Roller dynamometer mode menu using the left multifunction steering wheel button group:

• "ESP On"
• "ESP OFF with circuit 15 OFF"

When the Workshop level menu is exited and, if the dynamometer test mode was not deactivated beforehand, the Dynamometer test mode menu is automatically called up the next time the ignition sequence is initiated.

ASSYST-PLUS workshop menu 

The following submenus can be selected in the ASSYST-PLUS workshop menu:

• Service data
• Full service

After completion of the service, the service interval is reset in this menu.

Overview of system components, instrument cluster (IC) component description

GF54.30-P-9996CE