fuse box AUDI A4 1997 B5 / 1.G AFC Engine Fuel Pump Relay And Relay Triggering Checking Workshop Manual

24-28
If voltage tester does not light up, check wiring as
follows:

If the specified value is not obtained:
If the wiring is OK and the voltage tester does not light up:
If the fuel pump relay triggering and the wiring is OK: - Connect VAG 1598/19 test box to ECM harness connector (ECM is left
disconnected) Repair Group 01. -
Switch multimeter (Fluke 83 or equivalent) to measure resistance ( )
and check for continuity between relay socket 29 and test box socket
A5 using jumper wires from connector test kit VW 1594.
Specified value: max. 1 - Check for open circuit using wiring diagram, and correct as necessary.
- Replace ECM Repair Group 01.- Replace the fuel pump relay.
- Re-insert the removed fuses.
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