- Short circuit in the ARD fuel pump relay wiring
- Corrosion in the wiring harness connectors for the ARD fuel pump relay
- Failed ARD fuel pump relay
Illustration 1 g03689122
Tier 4 Interim Schematic
Illustration 2 g03689125
Tier 4 Final Schematic
Complete the procedure in the order in which the steps are listed.
Carefully following this procedure is a good way to identify wiring problems.