Jetta Wagon L4-1.8L Turbo (AWP) (2005)
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Connect multimeter to measure voltage at following contacts of connector using adapter cables from V.A.G 1594 A
Contact 1 + Ground
Contact 1 + 5
Contact 2 + Ground
Contact 2 + 3
Specification: minimum 4.5 V
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Switch ignition off.
If no voltage is present:
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Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module remains disconnected.
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Check wiring between test box and connector for open circuit according to wiring diagram.
Contact 1 + socket 72
Contact 2 + socket 73
Contact 3 + socket 36
Contact 4 + socket 35
Contact 5 + socket 33
Contact 6 + socket 34
Wire resistance: max. 1.5 Ohms