TM2361 (24JUN08) 9001-10-8 450DLC Excavator Operation and Tests 062608 PN=32 Main Controller (MCF) Diagnostic Trouble Codes 11 ICF Short to Power Disconnect all connectors to main controller (MCF), information controller (ICF), engine YES: CAN circuit short to Check control module (ECM) and monitor controller. power. Check for continuity between information controller (ICF) pin C5 and pins C1 and C2. Repair or replace harness. See Cab Check for continuity between information controller (ICF) pin C11 and pins C1 and C2. Harness (W1) Wiring 9001 Diagram. (Group 10 Is there continuity between CAN circuit and power circuit? 9015-10.) 8 NO: Go to Monitor Controller Short to Power Check.
– – –1/1 Main Controller (MCF) Diagnostic Trouble Codes 11 ICF Short to Power Check Disconnect all connectors to main controller (MCF), information controller (ICF), engine control module (ECM) and monitor controller. Check for continuity between information controller (ICF) pin C5 and pins C1 and C2. Check for continuity between information controller (ICF) pin C11 and pins C1 and C2. Is there continuity between CAN circuit and power circuit? YES: CAN circuit short to power. Repair or replace harness. See Cab Harness (W1) Wiring Diagram. (Group 9015-10.) NO: Go to Monitor Controller Short to Power Check.
– – –1/1 9001 10 8 12 Monitor Controller Short to Power Check Disconnect all connectors to main controller (MCF), information controller (ICF), engine control module (ECM) and monitor controller. Check for continuity between monitor controller pin B7 and A16. Check for continuity between monitor controller pin B6 and A16. Is there continuity between CAN circuit and power circuit? YES: CAN circuit short to power. Repair or replace harness. See Cab Harness (W1) Wiring Diagram and see Monitor Harness (W3) Wiring Diagram. (Group 9015-10.) NO: Go to MCF Short to Key Switch Signal Check.
– – –1/1 13 MCF Short to Key Switch Signal Check Disconnect all connectors to main controller (MCF), information controller (ICF), engine control module (ECM) and monitor controller. Check for continuity between main controller (MCF) pin C4 and B16. Check for continuity between main controller (MCF) pin C15 and B16. Is there continuity between CAN circuit and key switch signal circuit? YES: CAN circuit short to key switch signal. Repair or replace harness. See Cab Harness (W1) Wiring Diagram. (Group 9015-10.) NO: Go to ECM Short to Key Switch Signal Check.
– – –1/1 14 ECM Short to Key Switch Signal Check Disconnect all connectors to main controller (MCF), information controller (ICF), engine control module (ECM) and monitor controller. Check for continuity between engine control module (ECM) pin 18 (CAN High wire) and engine control module (ECM) pin 24 (key switch signal wire). Check for continuity between engine control module (ECM) pin 37 (CAN Low wire) and engine control module (ECM) pin 24 (key switch signal wire). Is there continuity between CAN circuit and key switch signal circuit? YES: CAN circuit short to key switch signal. Repair or replace harness. See Cab Harness (W1) Wiring Diagram and see Machine Harness (W2) Wiring Diagram.
(Group 9015-10.) NO: Go to ICF Short to Key Switch Signal Check. – – –1/1