Fuel Level Signal: Testing and Inspection

Fuel level signal, checking

Test is valid only for vehicles up to m.y. 2000.

If the "fueling pump" symbol lights up in instrument cluster (customer requested to fill up), fuel level signal is sent to Engine Control Module (ECM). Fuel level signal and left heated door lock control module -G210- are evaluated in Engine Control Module (ECM) in order to be able to shut off engine running with empty tank.

- Connect VAG1598/31 test box at wiring harness to Engine Control Module (ECM), do not connect ECM. Connecting VAG 1598/31 Test Box

The following wire connections must be checked for short circuit to B+, short circuit to Ground (GND) and for open circuit:

VAG1598/31
test box, socket Instrument cluster,Terminal
30

Wire resistance: max: 1.5 Ohm

- Repair open circuit or short circuit if necessary.
- Read readiness code. If DTC memory was erased, readiness code must be re-generated. Readiness Code, Generating