Test sequence

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Switch off ignition.

Fig 1: Locating Needle Lift Sensor

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Disconnect the 2-pin connector from needle lift sensor - arrow -.

Fig 2: 2-Pin Sensor Connector

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Measure resistance between connector contacts.

Specification: 80 to 120 Ω

If specification is not obtained:

Replace No. 3 cylinder injector with needle lift sensor G80.
Check DTC memory and, if necessary, repair any malfunctions and then erase → Diagnostic Trouble Code (DTC) memory, checking and erasing .
Read-out the readiness code → Reading readiness code . If the DTC memory has been erased, the readiness code must be generated again → Readiness code, setting .

If specification is obtained:

Remove wiper arms and plenum cover: → 92 WINDSHIELD WIPER & WASHER SYSTEM

Fig 3: Identifying Test Box V.A.G 1598/31 Connected To Control Module Wiring Harness

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Connect test box VAG1598/31 to control unit wiring harness.

Fig 4: 2-Pin Electrical Harness Connector & Terminals

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Check wiring between test box and connector for open circuit according to wiring diagram.

Terminal 1+ socket 109

Terminal 2+ socket 101

Wire resistance: max. 1.5 Ω

Check wires for short to one another, to vehicle Ground and to battery positive (B+).

Specification: ∞Ω

If no fault is detected in the wiring:

Replace Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 → Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 , replacing .