JCB P0203: Injector 3 Open Circuit Fault

The system has detected an open circuit fault in Injector 3. This indicates a break or disconnection in the electrical circuit associated with this component, preventing proper operation.

1. 1

   Injector 3 wiring harness

2. 2

   Injector 3 electrical connector

3. 3

   Injector 3 power supply circuit

1. 1

   Inspect

   Check the wiring harness connected to Injector 3 for any visible damage, cuts, or breaks.

2. 2

   Inspect

   Examine the electrical connector for Injector 3 to ensure it is securely attached and free from corrosion or damage.

3. 3

   Test

   Use a multimeter to test the continuity of the circuit from the power source to Injector 3.