relay AUDI A4 1998 B5 / 1.G AFC Engine Fuel Supply System Components Workshop Manual

20-11

- Supply voltage to fuel pump using VAG 1551
scan tool and "Output Diagnostic Test Mode"
function 03.

- Connect multimeter between connector terminal 1 (green wire) and
terminal 4 (brown wire) using adapter cables from VW 1594 connector
test kit.
Specified value: approx. battery positive voltage (B+)
- If specified value is obtained, reconnect harness connector.

If wiring is OK:
Checking fuel delivery - Using ohmmeter, check for continuity between connector (outside of
housing), harness connector and fuel pump.
- Replace fuel pump page 20
-7 .
- Install cover for fuel pump module.
Fuse 28 OK Relay in relay position 6 OK
Pa
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