Golf GTI L4-1781cc 1.8L SOHC (RD) (1987)
Data Link Connector: Description and Operation
Four Cylinder (8 valve engines)
All 1985-86 models are equipped with either CIS or CIS-E fuel injection. Most 1987 models are equipped with either CIS or CIS-E. Small numbers or
1987 and all 1988-90 models are equipped with the Digifant II engine management system. 1991 and 1992 models, except in California, are also
equipped with the Digifant II system. 1991 and later California models are equipped with the Digifant I system.
Four Cylinder (16 valve engines)
All 1.8 liter 16 valve engines (engine code PL) are equipped with CIS-E fuel injection. All 2.0 liter 16 valve engines (engine code 9A) are equipped
with the CIS-E Motronic engine management system.
VW Special Tool VAG 1551
If available, fault codes may be retrieved with the VAG 1551 tester in either system
CIS-E
Diagnostic Connector Location
The diagnostic connector, which is located under the trim panel at the center console, serves as the interface between the CIS-E Motronic control unit
and the diagnostic equipment used for retrieving fault code information.
Fault Code At The Diagnostic Connector
Fault codes may be retrieved with a "LED" test lamp.
Digifant