Checking activation: Notes

WARNING: This page is about a different car, the 2001 Audi A6, 2000 Audi A6, 1999 Audi A6, and 1998 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Pull connectors -1- off connection -2- of all fuel injectors.

Fig 1: Pulling Connectors Off Of All Fuel Injectors
Connect VAG1527 diode test lamp to terminals 2 + 3 of connector.

Fig 2: Identifying Ignition Coil Harness Connector Terminals
Operate starter and test ignition signal from Engine Control Module (ECM).
LED should flicker.
Repeat test between terminals 2 + 4 and 2 + 5.

If LED does not flicker:

Connect test box to control module wiring harness. See TEST BOX, CONNECTING FOR WIRING TEST .