John Deere 627: Injector Currents Out of Specification

The fault code indicates that all injector currents are out of specification. Specifically, the injector pull-in current is too low or the injector hold-in current is incorrect.

1. 1

   Injector electrical connections

2. 2

   Injector wiring harness

3. 3

   Injector power supply

4. 4

   Injector control circuit

1. 1

   Inspect

   Inspect the electrical connections of the injectors for looseness, corrosion, or damage.

2. 2

   Test

   Test the wiring harness for continuity and resistance using a multimeter.

3. 3

   Verify

   Verify the power supply to the injectors is within the specified range.

4. 4

   Check

   Check the control circuit for the injectors to ensure it is functioning properly.