Manual De Servicio Caterpillar

Engine Sensor Open or Short Circuit Test
Connect Electronic Service Tool to Cab Data Link and check for ACTIVE Engine Sensor Open or Short Circuit Code. If the code is not ACTIVE and the Engine is not running properly, refer to Troubleshooting Without A Diagnostic Code. ACTIVE Open or Short Circuit Code Check Electrical Connectors and Wiring. ACTIVE Short Circuit Code With the ignition key OFF,disconnect the Sensor Connector with the ACTIVE Short Circuit Code. Does the Short Circuit Code remain Active? Code Changes To Open Circuit Short Circuit Code Remains

SENR5574-04 January 1999

Diagnostic Code Listing
Code 1-11 2-11 3-11 4-11 5-11 6-11 22-13 26-05 26-06 30-08 30-13 40-05 40-06 41-03 41-04 51-05 51-06 71-00 71-01 71-14 84-00 84-01 84-02 84-08 84-10 84-14 91-08 91-13 100-01100-03 100-04 100-11 102-00 102-03 102-04 102-13 105-00 105-03 105-04 105-11 108-03 108-04 110-00 110-03 110-04 110-11 111-01 111-02 111-11 121-05 121-06 122-05 122-06 168-02 171-03 171-04 171-11 174-00 174-03 174-04 190-00 190-02 228-03 231-11 232-03 232-04 244-02 249-11 252-11 253-02 253-11 254-12 Description Cylinder 1 Fault Cylinder 2 Fault Cylinder 3 Fault Cylinder 4 Fault Cylinder 5 FaultCylinder 6 Fault Check Timing Sensor Calibration Multi-Function Output #1 Open Circuit Multi-Function Output #1 Short Circuit Invalid PTO Throttle Signal PTO Throttle Sensor Calibration Multi-Function Output #2 Open Circuit Mulit-Function Output #2 Short Circuit 8 Volt Supply Above Normal 8 Volt Supply Below Normal Multi-Function Output #3 Open Circuit Multi-Function Output #3 Short Circuit IdleShutdown Override Idle Shutdown Occurrence PTO Shutdown Occurrence Vehicle Overspeed Warning Loss of Vehicle Speed Signal Invalid Vehicle Speed Signal Vehicle Speed Out of Range Vehicle Speed Rate of Change Quick Stop Occurrence Invalid Throttle Signal Throttle Sensor Calibration Low Oil Pressure Warning Oil Pressure Sensor Open Circuit Oil Pressure Sensor Short Circuit Very Low Oil Pressure BoostPressure Reading Stuck High Boost Pressure Sensor Open Circuit Boost Pressure Sensor Short Circuit Boost Pressure Sensor Calibration High Intake Manifold Temp Warning Intake Manifold Temp Sensor Open Circuit Intake Manifold Temp Sensor Short Circuit Very High Intake Manifold Temp Atmospheric Pr Sensor Open Circuit Atmospheric Pr Sensor Short Circuit High Coolant Temperature Warning Coolant Temp SensorOpen Circuit Coolant Temp Sensor Short Circuit Very High Coolant Temperature Low Coolant Level Warning Coolant Level Sensor Fault Very Low Coolant Level Retarder Solenoid Lo/Hi Open Circuit Retarder Solenoid Lo/Hi Short Circuit Retarder Solenoid Med/Hi Open Circuit Retarder Solenoid Med/Hi Short Circuit Low or Intermittent Battery Outside Air Temp Sensor Open Circuit Outside Air Temp Sensor ShortCircuit No Ambient Air Temperature Data High Fuel Temp Warning Fuel Temp Sensor Open Circuit Fuel Temp Sensor Short Circuit Engine Overspeed Warning Loss of Engine RPM Signal A/C High Pressure Sw Open Circuit J1939 Data Link Fault 5 Volt Supply Above Normal 5 Volt Supply Below Normal Event Recorder Data Lost J1922 Data Link Fault Incorrect Engine Software Check Customer or System Parameters CheckTransmission Customer Parameters ECM Fault Flash Code 72 72 73 73 74 74 42 69 69 29 29 66 66 21 21 67 67 01 47 47 41 31 36 36 36 00 32 28 46 24 24 46 25 25 25 42 64 38 38 64 26 26 61 27 27 61 62 12 62 14 14 14 14 51 00 00 00 65 13 13 35 34 19 58 21 21 02 58 59 56 56 53 Troubleshooting Guide Procedure PC-33 PC-33 PC-33 PC-33 PC-33 PC-33 PC-32 PB-25 PB-25 PB-12 PB-12 PB-25 PB-25 PB-12 PB-12 PB-25PB-25 PB-21 PB-21 PB-21 PC-36 PB-14 PB-14 PB-14 PB-14 PB-36 PB-12 PB-12 PC-36 PC-35 PC-35 PC-36 PC-35 PC-35 PC-35 PC-37 PC-36 PC-35 PC-35 PC-36 PC-35 PC-35 PC-36 PC-35 PC-35 PC-36 PC-36 PB-17 PC-36 PB-20 PB-20 PB-20 PB-20 PB-11 PC-35 PC-35 PB-21 PC-36 PC-35 PC-35 PC-36 PC-31 PB-18 PB-24 PC-34 PC-34 PB-11 PB-24 PC-30 PC-30 PC-30 PC-30

NOT OK

Cooling Fan Always ON Check the following on an...