GF54.30-P-2020CA Settings on Workshop Level, Function

GF54.30-P-2020CA Settings on Workshop Level, Function
MODEL 207.3/ 4

Function requirements, general
^ Circuit 15R ON
The circuit 15 status is sent by the electronic ignition lock control unit (N73) to the instrument cluster (A1) on the chassis CAN (CAN E).

Workshop level adjustments, general
The workshop level is used by technicians 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 and hold right button of accept and end phone call button (S111s3) then press the n/ button (S110s6) within t = 1 s. Then keep both buttons pressed for t = 3 s.
The display in the multifunction display (A1p13) changes to the workshop level. By operating the scroll forward/back button (S110s1) in the left multifunction steering wheel button group (S110) you can scroll between the various menus and submenus or in different lists. Selection is then made by pressing the OK button.
The steering wheel electronics (N135) directly reads in the control signals from the multifunction steering wheel button group and sends them over the steering LIN (LIN E1) to the steering column tube module control unit (N80). The steering column tube module control unit sends them over the chassis CAN to the instrument cluster.
The following menus are accessible:
^ "Vehicle data" menu
^ "Dynamometer test" menu
^ ASSYST-PLUS menu

"Vehicle data" menu
The following data can be called up in the "Vehicle data" menu:
- Voltage (in V) and amp draw (in A) in on-board electrical system
- Data from instrument cluster (object numbers, version numbers, software releases, supplier data on software, Daimler software version display etc.)
- Engine data and vehicle information (engine number, vehicle ident number (VIN) etc.)

"Dynamometer test" menu
Activation of the dynamometer test prevents errors from being recorded during the brake test on the roller dynamometer in the Electronic Stability Program control unit (N30/4) (without code (233) DISTRONIC PLUS) or in the Premium Electronic Stability Program control unit (N30/7) (with code (233) DISTRONIC PLUS).
The following settings can be selected in the dynamometer menu:
- "On"
- "Off with circuit 15 OFF
If the dynamometer test is not deactivated before exiting the workshop menu, it will automatically be called up upon the next ignition sequence.

ASSYST PLUS menu
The following data can be called up in the ASSYST PLUS menu:
- Service data
- Full service
- "Veh. handover" (nonrecurring display before handover to customer, if the function is not executed by the dealer, the display is automatically hidden after s = 250 km)
After a service is performed, the service interval is reset in this menu.