Beetle L4-2.0L (AEG) (2000)
Fuel Injector: Testing and Inspection
Fuel Injectors, Checking
With Manufacturer's Scan Tool
Fuel Injectors, Checking
WARNING!
Fire hazard. Do NOT have anything in the area that can ignite gasoline!
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
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VAG 1551/1552 Scan Tool using VAG 1551/3 Adaptor cable
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VAG 1598/22 Test Box
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VAG 1527B Voltage Tester
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Fluke 83 multimeter
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VW 1594 Adaptor kit
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Wiring diagram
Requirements
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Engine Speed sensor must be OK. See: Computers and Control Systems/Testing and Inspection/Component Tests and General Diagnostics/Engine
Speed (RPM) Sensor, Checking
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Fuel pump relay must be OK
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Fuse 32 must be OK.
WARNING!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the
connection.
Test sequence
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Check activation of fuel injectors using Function 03: Output Diagnostic Test Mode (DTM). See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Output Diagnostic Test Mode (DTM) (Function 03)
If one or more injectors do not click:
Activation, checking