Wiring to Mass Air Flow (MAF) Sensor -G70-, Checking

Checking Wiring To Mass Air Flow (MAF) Sensor

NOTE: The signal wire is also checked during the wiring check.

- Connect test box VAG 1598/31 to wiring harness for engine control module; do not connect engine control module. Wiring and Component Testing Using VAG1598/31 Test Box







- Check for open circuit and short to positive or Ground in following wiring connections:

Connector Test box VAG 1598/31
test Socket

1 53
3 27
4 29

- Repair any open/short circuit as necessary.
- Check all wires for short to one another.

If no wiring malfunction is detected:

- Replace mass air flow (MAF) sensor -G70-.