Wire For Fuel Level Signal, Checking

Wire For Fuel Level Signal, Checking


Special Tools and Equipment







- VAG1526A
- VAG1527B
- VAG1594A
- VAG1598/31
- VAS5051 with VAG505/1
- or
- VAG1551 with VAG155/3B


NOTE:
- The Engine Control Module (ECM) receives the fuel level signal from the instrument cluster.
- The processed signal enters at terminal 30 of the ECM and is used to determine the cause of certain recognized malfunctions (e.g. combustion misfires).

- Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. Connecting VAG 1598/31 Test Box
- Check the following wire connection for open circuit and short circuit to Ground (GND) and B+:

Test box VAG1598/31 Socket Instrument cluster Terminal
30 -

- Repair open circuit or short circuit if necessary.