3.2.28. SPN 1083, FMI 4, Auxiliary analog input 1 voltage below normalΒΆ

Description

The measured auxiliary analog input 1 signal voltage is below the normal operating range.

Possible causes are:

  • The analog device output is shorted to GROUND.
  • The analog device is defective.

Reaction in EEM

The FC is stored and the warning lamp is activated. The CAN message indicates active fault.

Solution

First save the error log and then erase it. Restart the ECU after erasing the error log. If the fault occurs again during the next driving cycle, check the following paths:

  • Check the analog device wiring, the connectors and the contact surfaces of the connector pins (possible oxidation)
  • Check the operation with another analog device to see if the analog device is defective.