ELU3 - ELU Power
- Key OFF.
- Disconnect the ELU connector.
- Key ON.
- Measure the voltage on the "Y/GN" wire at the ELU connector.
- Is the voltage greater than 10 volts?
Yes -- Go to ELU4. ELU4 - ELU Ground
No -- Service the "Y/GN" wire between the ELU and the main relay.