Volkswagen Golf 1999 Service Manual page 901

Functions, checking
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Engine operating mode,
checking
Note:
The check establishes whether
Motronic Engine Control Module
(ECM) -J220- recognizes the engine
operating modes idling, overrun, part
throttle, wide open throttle and
enrichment.
Special tools and equipment
VAG 1551 Scan tool (or VAG
1552) with VAG 1551/3 adapter
cable
Note:
All functions which could previously
be performed with VAG 1551/1552
can also be performed with the VAS
5051.
Test requirements
Engine Coolant Temperature
(ECT) must be at least 85
display group 1, display zone
2.
Página 34 de 37
24-158
C,
12/2/2005