A8 Quattro Sedan V8-4.2L (AKB) (2002)
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Check for short circuit between wires:
5-pin connector
VAG1598/31 test box
on wiring harness, socket
1
27
Specification: infinity Ohms (open circuit)
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Check for open circuit and short to B+ or Ground (GND) in the following wiring connections:
5-pin connector
VAG1598/31 test box
on wiring harness, socket
1
85
3
27
Resistance in wiring: max. 1.5 Ohms
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Repair any open/short circuit as necessary.
If no wiring malfunction is detected:
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Replace Intake Air Temperature (IAT) sensor -G42.
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Display readiness code. The readiness code must be generated if the DTC memory was erased.
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Checking Readiness Code" See: Computers and Control Systems/Testing and
Inspection
Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Generating Readiness Code" See: Computers and Control Systems/Testing and
Inspection