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Fuel Level Signal, Checking




Fuel level signal, checking

If the symbol "low fuel" is displayed in the instrument cluster (customer is ordered to refuel) the fuel level signal is sent to Engine Control Module (ECM). The fuel level signal and the Sensor for low fuel level -G210 are being evaluated by the ECM, in order to shut off the engine in case the fuel tank is empty.

- Connect VAG 1598/31 test box to wiring harness for engine control module. DO NOT connect to engine control module itself, Connecting VAG 1598/31 Test Box

The following wiring connection is to be checked for short circuit to B+, short circuit to Ground (GND) and an open circuit.

VAG 1598/31 Instrument cluster, terminal
test box socket

30

Wiring resistance: max. 1.5 Ohm

- If necessary eliminate open circuit or short circuit.
- Display readiness code, Readiness Code Reading. Readiness code must be generated if DTC memory was erased, Readiness Code, Generating