S6 V8-4.2L (BBD) (2004)
Display Group 50
-
Switch off air conditioning compressor at A/C control head by pressing ECON button.
Specification for display zone 4: Display should change from "Compr. ON" to "Compr. OFF" (compressor switch-off)
If the readout in display zone 4 is not as described:
-
Switch ignition off.
-
Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. See: Testing and
Inspection/Scan Tool Testing and Procedures/Scan Tool Testing/With Manufacturer's Scan Tool/Scan Tool Connecting and Initial
Checks/Connecting VAG 1598/31 Test Box
-
Check following wiring connections for short circuit to positive or Ground or open circuit.
Test box VAG
1598/31 Socket
A/C Control head -E87- Contact
41
Wire resistance: max. 1.5 Ohm
-
Correct any open/short circuit as necessary.
-
If there are no wiring malfunctions, check operation of air conditioning.
-
Read readiness code. Generate readiness code again if DTC memory was erased. See: Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes/Audi Drive Cycle/Readiness Code/With Manufacturer's Scan Tool/Readiness Code, Generating