Volkswagen Passat 1995 Official Factory Repair Manual page 1702

Motronic Fuel Injection and Ignition system, component layout
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Idle speed, checking
Idle speed and ignition timing are NOT
adjustable.
CO content specification is maintained via the
Oxygen sensor control system. Malfunctions in
the Oxygen sensor control system are detected
via On Board Diagnostic and stored in
Diagnostic Trouble Code (DTC) memory.
Engine oil temperature 80
minimum.
All electrical consumers switched off
(radiator fan must not run during the check).
A/C switched off.
Exhaust system must be free of leaks.
No codes stored in DTC memory,
01-5 (Fuel and Ignition).
VAG 1551 Scan Tool connected.
- Start engine and let idle.
- Operate Scan Tool, taking into account the
information on the display:
- Input 1 for "Rapid data transfer".
- Input 01 for address word "Engine electronics"
and confirm with Q.
Page 39 of 59
24-26
C (176 F)
Page
6/12/2004