Volkswagen Passat 1995 Official Factory Repair Manual page 1970

Multiport fuel injection and ignition system
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Safety precautions
WARNING!
Be alert when working on or near the engine.
High ignition secondary voltage can cause
serious personal injury and damage vehicle
components.
DO NOT touch or disconnect ignition system
wires when the engine is running or being
cranked at starting RPM.
DO NOT operate the starter if the fuel
injectors have been removed.
Be sure the ignition is switched OFF, when:
Disconnecting ignition wires
Disconnecting fuel injection system wiring
Connecting or disconnecting test equipment
leads
Disconnecting the battery
Washing the engine or engine
compartment.
BEFORE cranking the engine at starting RPM
(such as for compression testing) disable the
ignition and fuel injection systems:
Disconnect 5-pin connector to ignition coil
(arrow).
Disconnect harness connectors from all fuel
injectors.
After the work is completed, erase
Diagnostic Trouble Code (DTC) memory.
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