Display group 018: Kick-down-switch activating rear window defroster, temperature switch for coolant, A/C compressor engagement and high pressure switch -F118-

Fig 1: Channel Identification Chart - Display Group 018, Channel 1 (1 Of 2) (Model Year 2000 And Up Vehicles)

Courtesy of AUDI OF AMERICA, INC.

Fig 2: Channel Identification Chart - Display Group 018, Channel 1 (2 Of 2) (Model Year 2000 And Up Vehicles)

Courtesy of AUDI OF AMERICA, INC.

NOTE: Note to display fields 1 and 2:
For control head having part numbers up to Index "K:"

When closing the Kick down switch, A/C clutch -N25- is shut off for 12 s.
Depending on vehicle equipment, Kick down switch in control module for automatic transmission -J217- is installed or individual component -F46- is available.
For control head having part numbers beginning with index letter "M:"
Electrical check of rear window defroster. See REAR WINDOW DEFROSTER, ELECTRICAL TEST .

Fig 3: Channel Identification Chart - Display Group 018, Channel 2 (Model Year 2000 And Up Vehicles)

Courtesy of AUDI OF AMERICA, INC.

Note to display fields 1 and 2:

For control head having part numbers up to Index "K:"

Check coolant temperature and instrument cluster for E87 up to index "K." See INSTRUMENTS .
For control head having part numbers beginning with the index letter "M:"
For vehicles with control head having part number beginning with index letter "M" the coolant temperature from instrument cluster is calculated, and the calculated value is transferred via the Can-Bus to -E87-. If the instrument cluster can not supply requested information due to a component malfunction, a malfunction notice with data gram is sent, which requires the DTC memory be checked. For m.y. 1999, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING (SCAN TOOL FUNCTION 02) . For m.y. 2000 and up, see CHECK DTC MEMORY (FUNCTION 02) .
Compressor shut off by -E87- when coolant temperature is greater than 118° C; it is switched on after coolant temperature has dropped to 113° C.
Reception of information from instrument cluster is indicated in measuring value block display group 012. See DISPLAY GROUP 012: INFORMATION ON CAN-BUS FOR CONTROL HEAD HAVING PART NUMBERS BEGINNING WITH THE INDEX LETTER "M" .