Jetta GLX Wagon V6-2.8L (AFP) (2001)
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Connect VAG1598/31 test box to Engine Control Module (ECM) wiring harness. Engine Control Module (ECM) is not connected by this action.
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Check wiring between test box and 6- pin harness connector for open circuit according to wiring diagram.
Terminal -4- + socket 5:
Wire resistance: max. 1.5 ohms
If the specified value is obtained:
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Check wire between 6-pin harness connector terminal -3- and Fuel Pump (FP) relay -J17- for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
Aging Check
Oxygen Sensor 1 Aging, Checking
Special tools and equipment
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VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable
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VAG1788/10 engine speed adjuster
Test conditions
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Coolant temperature at least 85 °C display group 04, display field 3
Functional check
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Connect VAG1551 (VAG1552) Scan Tool (ST).
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Switch ignition on and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (when doing this engine must be running at idle).
Indicated on display
Rapid data transfer
HELP
Select function XX