Chip-Tools

ITDEEN

Assyst Plus: reading and editing the service history

Models 164, 169, 171, 204, 211, 216, 219, 221, 245 and 251 are fitted with the ASSYST PLUS control unit, which automatically assigns to the next service the time- and wear-related maintenance items plus any special equipment that needs servicing. This special function displays and edits the service history stored inside the ASSYST PLUS unit.

Procedure

1. Connect the vehicle and open the "Assyst Plus" special function.
2. Press the "Get Current" button: the information currently stored in the ASSYST PLUS is displayed.
3. Set the values you want stored in the ASSYST PLUS in the "Main Odometer (Km)", "Operating time (days)" and "Number of Oil changes" fields.
4. Press the "Set Data" button. If the number of oil changes set is greater than 0, the screen with the individual maintenance items appears.
5. Set the data for all the individual maintenance items and press "Continue".
6. If everything went through, the message "Operation finished successfully" appears.
7. From the same screen you can view and edit the service history records stored in the ASSYST: there are up to 5 records, plus a history of up to 16 oil top-ups; each record holds the main odometer value at the time of the event.
8. To work on the service history information held in the Central Gateway Configuration as well, press the "CGW Explorer" button: from that screen you can edit the history of both ASSYST and ASSYST PLUS devices.
9. ASSYST service item reference: Service 2 every 30,000 km/2 years (front and rear of vehicle, check condition and operation of the towing hitch); Service 3 every 60,000 km/2 years (engine bay: check the visible section of the poly-V belt for wear, replace the compressor poly-V belt, replace the air filter element, rotate the air filter element 180 degrees around its longitudinal axis the first time service 3 is carried out); Service 4 every 60,000 km/2 years (engine bay: replace the combination filter); Service 5 every 60,000 km/2 years (engine bay: replace the dust filter and combination filter; interior: replace the activated charcoal filter).
10. ASSYST service item reference (continued): Service 6 every 2 years (check bodywork for paint damage; underbody: check chassis and load-bearing components for damage and corrosion); Service 7 every 5 years (interior, sunroof/sliding roof: clean the guide rails and sliders); Service 8 every 3 years (interior, panoramic sliding roof: clean and lubricate the guide mechanism); Service 9 every 80,000 km/4 years (engine bay: replace the air filter element, fuel filter, spark plugs); Service 10 every 100,000 km/4 years (engine bay: replace spark plugs); Service 11 every 120,000 km/4 years (engine bay: replace the air filter element).
11. ASSYST service item reference (final): Service 12 every 250,000 km/15 years (engine bay - interior: replace the fuel filter; engine bay: replace the coolant, mind the coolant specification); Service 13 at every service (engine bay: engine oil and filter change); Service 20 once only at 60,000 km (underbody: transfer case oil change, automatic transmission oil and filter change).
12. When the job is done, open a standard diagnostic session on ASSYST and ASSYST PLUS and check the "Actual Values" to verify the changes.

Reference screenshots