Test sequence

WARNING: This page is about a different variant/trim than selected.

Fig 1: Locating Needle Lift Sensor

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Fig 2: 2-Pin Sensor Connector

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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:

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

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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 .