S4 V8-4.2L (BHF) (2004)
Harness connector Terminal
Measure to
3
27
4
53
5
29
Specified value: Wire resistance max 1.5 Ohms
-
Check wires for short circuit to each other as well as to B+ and Ground (GND).
-
Specified value: Infinite Ohms (no continuity)
-
If necessary, repair wire connection.
If no malfunctions are detected:
-
Replace Mass Air Flow (MAF) Sensor -G70-
Final procedures
After repair work, the following work steps must be performed in the mentioned sequence:
1. Check DTC memory see "Mode 3: Check DTC memory". See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Mode 3: Check DTC Memory
2. If necessary, erase DTC memory see "Mode 4: Reset/erase diagnostic data". See: Powertrain Management/Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Mode 4: Reset/Erase Diagnostic Data
3. Generate readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes/Readiness Code, Generating
-
End diagnosis and switch ignition off.