Operation CHARM
: Car repair manuals for everyone.
Hosted by
mcallihan.com
Home
>>
Volkswagen
>>
1987
>>
Jetta L4-1781cc 1.8L SOHC
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Relays and Modules - Computers and Control Systems
>>
Engine Control Module
Engine Control Module
Expand All (for easy ctrl-f)
Collapse All
Description and Operation
Digifant II System
Electronic Control Unit (E.C.U) (Digifant II)
Engine Management System (Digifant II)
Idle Stabilization (Digifant II)
Knock Sensor Regulation (Digifant II)
Throttle Switches (Digifant II)
Electronic Control Unit
Cold Start Enrichment
Testing and Inspection
Component Tests and General Diagnostics
Cold Acceleration Enrichment
Digifant II System
Deceleration Fuel Cut-Off (Digifant II)
Full Throttle Enrichment (Digifant II)
Idle and Full Throttle Switches (Digifant II)
Idle Stabilization (Digifant II)
Full Throttle Enrichment
Oxygen Sensor System
Starting Enrichment
Pinout Values and Diagnostic Parameters
Locations
OXS Control Unit
CIS-E Control Unit
Diagrams
Diagram Information and Instructions
Understanding Track Style Wiring Diagrams, Important Stuff !
How to Find the Correct Wiring Diagram, Important Stuff !
How to Read Displayed Page of Wiring Diagram, Important Stuff !
Wiring Diagram Circuit Identification
Symbols Used In Wiring Diagrams
Wire Color Code Identification
Wire Size Conversion
Connector Views
CIS-E 25-Pin Connector
Federal Vehicles (Digifant II) 25-Pin Connector
Electrical Diagrams
Technical Service Bulletins
