Jetta L4-2.0L (AEG) (2000)
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Connect VAG1598/22 test box to control module wiring harness.
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Check wiring between test box and 5-pin harness connector for open circuit according to wiring diagram.
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Terminal -5- + socket 13
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Terminal -4- + socket 11
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Terminal -3- + socket 12
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Wire resistance: max. 1.5 ohms
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Additionally, check all wires for short circuit to one another.
Specified value: Infinity ohms
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Check wiring additionally for short circuit to battery positive (B+)/Ground (GND).
If no malfunction is found in the wiring:
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Replace Mass Air Flow (MAF) sensor -G70-. Refer to item 3 See: Fuel Delivery and Air Induction/Air Cleaner Housing/Service and Repair
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
See: Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Clearing Diagnostic Trouble Codes
If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, generate the
readiness code again. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes