relay AUDI A4 1997 B5 / 1.G AWM Engine Secondary Air System User Guide

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If LED does not flash:

- Switch ignition off.

- Connect VAG 1598/31 test box to wiring
harness leading to engine control module;
engine control module should not be connected:

Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Fuel
Injection & Ignition, Engine Code(s): AWM, Repair Group 24


If no malfunction is found: - Check for open circuit and short to positive or Ground in following
wiring connection: 3-position relay carrier in E-box in plenum
chamber, position 2
Contact
Test box VAG
1598/31


6 66
- Repair any open/short circuit as necessary.
- Replace Secondary Air Injection Pump relay -J299-.
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If LED does not flash:
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder
Electrical Wiring Diagrams, Troubleshooting & Component Locations
binder
If no malfunction is found: - Connect voltage tester VAG 1527 B between contacts 1 and 2.
- Initiate output Diagnostic Test Mode (DTM) and activate Secondary Air
Injection (AIR) Pump relay -J299-.

LED must flash.
- Carry out following tests:
- Check wiring connection from contact 1 of connector to secondary air
injection pump relay (in 3-pin relay carrier in electronic box (plenum
chamber), for open circuit.
- Check wiring connection of contact 2 of connector to Ground for
open circuit: - Replace Secondary Air Injection (AIR) Pump motor -V101-.
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p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.GE06.26.2