TM2361 (24JUN08) 9010-15-6 450DLC Excavator Operation and Tests 062608 PN=276 Diagnostic Information 3 Active DTC Check Perform the Active DTC Check to read Diagnostic Trouble Codes (DTCs). See Reading Diagnostic Trouble Codes With Monitor Display. (Group 9015-20.) Reading Diagnostic Trouble Codes With Service ADVISORDiagnostic Application. (Group 9015-20.) See Reading Diagnostic Trouble Codes With Tech 2 Diagnostic Scan Tool. (Group 9015-20.) Are any DTCs detected? YES: See Engine Diagnostic Trouble Codes (DTCs—SPN.FMI Format) for information on code. (Group 9001-20.) NO: No active DTCs present. Go to Electrical Interference Check.
(Group 9010-15.) – – –1/1 4 Electrical Interference Check Check the condition of accessory electrical equipment such as radio and lights. Does the engine start when the accessory electrical equipment is powered off? YES: Repair electrical equipment. NO: Go to Fuel System Test. – – –1/1 9010 15 6 5 Fuel System Test Check fuel system in the following procedure. 1. Check the high pressure line and low pressure line for leaks, kinks, or obstructions. Check in the following order. • Fuel filters (water separator and final filters). • Fuel tank (pump strainer). • Fuel system lines. 2. Check fuel lines, fuel filter, and inside of the fuel tank for freezing or waxing. (cold temperatures). 3.
Check the supply line inside the fuel tank for debris. 4. Supply fuel from a container other than the fuel tank. a. Start the engine, operate the machine, and check for trouble symptoms. b. Replace the fuel in the fuel tank and lines. c. Bleed air from fuel, and check for trouble symptoms again. Are any fuel system problems present? YES: Repair and replace necessary parts and retest. NO: Go to Injector Check. – – –1/1