Main Controller (MCF) Diagnostic Trouble Codes 11914.02 Radiator Water Temperature Message Error NOTE: Radiator coolant temperature is determined by the engine control module (ECM) and sent over CAN 9001 10 71 MS12501,0000068 –19–24JAN06–1/1 Controller Area Network (CAN) Diagnostics –1/1 TM2361 (24JUN08) 9001-10-71 450DLC Excavator Operation and Tests 062608 PN=95 1 CAN Harness Check Check harness connections to controllers and between harnesses. Clear codes and re-check DTCs. Is DTC 11914.02-Radiator Water Temperature Message Error still present? YES: Go to Continuity Check MCF and ICF. NO: Main controller (MCF) and harness are OK.
– – –1/1 2 Continuity Check MCF and ICF Check for continuity between main controller (MCF) pin C4 and information controller (ICF) pin C5. Check for continuity between main controller (MCF) pin C15 and information controller (ICF) pin C11. Is there continuity between the connectors? YES: Go to Continuity Check MCF and ECM. NO: Open circuit in CAN between main controller (MCF) and information controller (ICF). Repair or replace harness. See Cab Harness (W1) Wiring Diagram. (Group 9015-10.) – – –1/1