TM2361 (24JUN08) 9001-50-14 450DLC Excavator Operation and Tests 062608 PN=214 Monitor Controller (MON) Diagnostic Trouble Codes 2 Short to Ground Disconnect fuel level sensor and monitor from harness and check for continuity to YES: Short circuit in Check machine ground. harness between monitor controller and sensor. Is there continuity between harness and machine ground? Repair or replace harness. See Cab 9001 Harness (W1) Wiring 50 Diagram, see Machine 14 Harness (W2) Wiring Diagram, and see Monitor Harness (W3) Wiring Diagram. (Group 9015-10.) NO: Go to Continuity Check.
– – –1/1 Monitor Controller (MON) Diagnostic Trouble Codes 2 Short to Ground Check Disconnect fuel level sensor and monitor from harness and check for continuity to machine ground. Is there continuity between harness and machine ground? YES: Short circuit in harness between monitor controller and sensor. Repair or replace harness. See Cab Harness (W1) Wiring Diagram, see Machine Harness (W2) Wiring Diagram, and see Monitor Harness (W3) Wiring Diagram. (Group 9015-10.) NO: Go to Continuity Check. – – –1/1 9001 50 14 3 Continuity Check Disconnect fuel level sensor and monitor from harnesses. Check continuity between fuel level sensor connector and monitor controller connector pin C2.
Is there continuity between fuel level sensor and monitor controller? YES: Monitor controller malfunction. Replace controller. See Monitor Controller Remove and Install. (Group 9015-20.) NO: Open circuit in harness. Repair or replace harness. See Cab Harness (W1) Wiring Diagram, see Machine Harness (W2) Wiring Diagram, and see Monitor Harness (W3) Wiring Diagram. (Group 9015-10.) – – –1/1