Jetta GLS V6-2.8L (AFP) (2002)
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Check wiring between test box and fuel injector 2-pin harness connectors for open circuit according to wiring diagram.
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Injector 1: terminal -2- + socket 96
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Injector 2: terminal -2- + socket 112
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Injector 3: terminal -2- + socket 88
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Injector 4: terminal -2- + socket 113
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Injector 5: terminal -2- + socket 97
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Injector 6: terminal -2- + socket 89
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Wire resistance: max. 1.5 ohms
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Additionally, check wires for short to one another.
Specified value: infinity ohms
If there is no malfunction in the wiring, and the resistance measurement values are OK:
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Replace Engine Control Module (ECM).
With Generic Scan Tool
Check Fuel Injectors
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1527 voltage test lamp
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VAG1594 connector test kit
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Wiring diagram
Test requirements
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The respective fuses of fuel injectors (Cylinder 1 Fuel Injector -N30- to Cylinder 4 Fuel Injector -N33-, Cylinder 5 Fuel Injector -N83-, Cylinder 6
Fuel Injector -N84-) must be OK.
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Fuel Pump (FP) Relay -J17- must be OK, check.
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Battery voltage must be at least 11.5 volts.
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All electrical consumers like, for example, lights and rear window heating must be switched off.
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Parking brake must be engaged or else daylight driving lights will be switched on.
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For vehicles with automatic transmission, selector lever must be in position -P- or -N-.