Display group 018-Kick-down switch, coolant temperature switch, A/C compressor cut-in and A/C refrigerant high pressure switch -F118-

Fig 1: VAG 1551 Scan Tool Display - Display Group 018, Fields 1 & 2

Courtesy of AUDI OF AMERICA, INC.

• For terminal 5 less than 5V, see DISPLAY GROUP 001 - A/C COMPRESSOR CUT-OFF CONDITIONS, VOLTAGE FOR A/C CLUTCH -N25-, VOLTAGE TO TERMINAL 15 AND REQUIREMENT FOR RECIRCULATING AIR MODE/SENSOR FOR AIR QUALITY -G238-  .

NOTE: Notes to display field 1:

• The A/C clutch -N25- is switched off for 12 seconds when the switch is closed.
• Depending on the vehicle equipment, the switch is installed in the automatic Transmission Control Module (TCM) -J217- or is installed as a separate component A/C kick down switch -F46- (°Electrical Wiring Diagrams, Troubleshooting and Component Locations).

NOTE: Note to display fields 1 and 2:
Check coolant temperature and instrument cluster. For m.y. 1999, see ON BOARD DIAGNOSTIC (OBD) . For m.y. 2000 and up, see ON BOARD DIAGNOSTIC (OBD) .

Fig 2: VAG 1551 Scan Tool Display - Display Group 018, Fields 3 & 4

Courtesy of AUDI OF AMERICA, INC.

NOTE: Notes to display field 3:

• When A/C clutch -N25- is switched on, the output is closed (voltage greater than 5 V).
• If the voltage drops below 5 V when the A/C clutch is switched on (engine control module switches input to Ground), the A/C clutch is switched off by -E87-. See DISPLAY GROUP 001 - A/C COMPRESSOR CUT-OFF CONDITIONS, VOLTAGE FOR A/C CLUTCH -N25-, VOLTAGE TO TERMINAL 15 AND REQUIREMENT FOR RECIRCULATING AIR MODE/SENSOR FOR AIR QUALITY -G238-  .

NOTE: Note to display fields 1 and 2: If the switch is open, the compressor is switched off. See DISPLAY GROUP 001 - A/C COMPRESSOR CUT-OFF CONDITIONS, VOLTAGE FOR A/C CLUTCH -N25-, VOLTAGE TO TERMINAL 15 AND REQUIREMENT FOR RECIRCULATING AIR MODE/SENSOR FOR AIR QUALITY -G238-  .