JCB P0277: Injector and Wiring Harness Resistance Drop (Inj 3)

The fault code indicates a resistance drop in the wiring harness or the component identified by this code, specifically related to Injector 3. This may affect the proper operation of the injector circuit.

1. 1

   Injector 3

2. 2

   wiring harness associated with Injector 3

1. 1

   Inspect

   Inspect the wiring harness associated with Injector 3 for damage, wear, or poor connections.

2. 2

   Test

   Test the resistance of the wiring harness and Injector 3 using a multimeter to confirm the resistance drop.

3. 3

   Replace

   If the resistance is outside the acceptable range, replace the affected wiring harness or Injector 3 as needed.