Jetta V6-2.8L (BDF) (2002)
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Connect multimeter to measure voltage at terminals 1 (positive) and 3 (ground) of the Camshaft Position (CMP) Sensor connector using adapter
cables from V.A.G 1594.
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Switch on ignition.
Specification: at least 4.5 V
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Switch off ignition.
If no voltage is present:
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Remove wiper arms and cowl panel:
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Connect VAG 1598/31 test box to control module wiring harness. The Engine Control Module (ECM) remains disconnected.
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Check wiring for open circuit between test box and connector referring to Electrical Wiring Diagrams.
terminal 1 and socket 98
terminal 2 and socket 86
terminal 3 and socket 108
Wire resistance: max. 1.5 ohms
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Additionally check wires for short to one another.
Specification: infinity ohms
If no wiring malfunction is detected and voltage was present between terminals 1 and 3:
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Replace Camshaft Position (CMP) Sensor -G40-, item 16.
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Check DTC memory, repair malfunctions if necessary and then erase DTC memory.
See: Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code.
See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes