CONSOLE GP-OPERATOR 2017448 - Caterpillar

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SchematicTest Step 1. Inspect Electrical Connectors and Wiring
Turn the keyswitch to the OFF position.
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Thoroughly inspect the J1/P1 ECM connector and all other connectors in the wiring harness. Refer to Troubleshooting, "Electrical Connectors - Inspect".
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P1 ECM connector (P1-3) Return (P1-5) Return (P1-12) Reversing solenoid (P1-46) Manual purge switch
Perform a 45 N (10 lb) pull test on each of the wires in the ECM connector and the sensor connectors that are associated with the active diagnostic code.
Check the ECM connector (allen head screw) for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect".Expected Result:All connectors, pins, and sockets are completely inserted and coupled. The harness and wiring are free of corrosion, of abrasion, and of pinch points. All connections and grounds are tight and free of corrosion.Results:
OK - The harness and wiring are OK. Proceed to Test Step 2.
Not OK - There is a