FILTER & LINES GP-FUEL 2379823 - Caterpillar

Illustration 5 g01437550
Jumper wire and harness connector
Connect a jumper wire between the terminals of the harness connector for the coil. This replaces the coil with a short circuit.
Clear the -5 code.
Perform the appropriate electrical checkout.Expected Result:A -5 code became active during the electrical checkout.Results:
Yes - A -5 code became active during the electrical checkout. The ECM did not detect the jumper wire. There is an open circuit in the wiring between the coil and the P2 connector. There may be a problem with a connector.Repair: Perform the following procedure:
Clear the -5 code.
Repair the wiring problem. Replace parts, if necessary.
Perform the appropriate electrical checkout. Verify that no diagnostic codes become active during the electrical checkout. If you are troubleshooting a problem with the circuit for the air pressure control valve or the CGI control group, proceed to