Diagnostic Information TM2361 (24JUN08) 9010-15-7 450DLC Excavator Operation and Tests 062608 PN=277 6 Injector Check 1. Clear the DTC. For information on how to clear DTC, See Reading Diagnostic Trouble Codes With Tech 2 Diagnostic Scan Tool (9015-20) or See Reading Diagnostic Trouble Codes With Dr. ZX. (9015-20.) 2. Start the engine. 3. Select the Actuator test from the Tech 2 menu. NOTE: If Tech2 scan tool is not available, See Injector Balance Test (Injector Misfire Test). (Group 9010-25.) or Injector Force Drive Test. (Group 9010-25.) 4. Select the Injection Stop at each injector in the common rail system. 5.
Press the OFF soft key to stop the fuel injection in the cylinder one by one, and check the change in engine sound. Is there any cylinder of which engine vibration and engine sound did not change when it is stopped? YES: Replace the injector in the cylinder of which engine sound did not change when it is stopped. NO: Go to Crankshaft Position Sensor Check. – – –1/1 9010 15 7 7 Crankshaft Position Sensor Check Check for condition of the crankshaft position sensor. 1. Check to see if the sensor is loose. See Engine Component Location. (Group 9010-05.) 2. Check the signal detection condition of the crankshaft position senor. a. Connect the Tech 2. b. Crank the engine. c.
Correct the data list on the Tech 2. Is the speed displayed? YES: Go to Camshaft Position Sensor Check. NO: Repair or replace parts as necessary and retest. – – –1/1 8 Camshaft Position Sensor Check Check for condition of the crankshaft position sensor. 1. Check to see if the sensor is loose. See Engine Component Location. (Group 9010-05.) 2. Check the signal detection condition of the camshaft position senor. a. Connect the Tech 2. b. Start the engine. c. Remove the harness from the crankshaft position sensor. (The DTC is detected when this procedure is performed. Be sure to clear the DTC after repairing the machine.) Is the speed displayed? YES: Go to EGR Control System Check. NO:
Repair or replace parts as necessary and retest. – – –1/1