CORE ASSEM. 7N2111 - Caterpillar

Table 2
Troubleshooting Test Steps    Values    Results    
1. Determine the Code
A. Establish communication between Caterpillar Electronic Technician (ET) and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes. Check for active codes and check for logged codes on Cat ET.
C. Check Cat ET for any associated codes that are listed in Table 3. Troubleshoot any active codes before continuing with this procedure.
   
Codes    
Result: An associated code is active or logged.
Troubleshoot any active codes before continuing with this procedure.
STOP
Result: An associated code is not active or logged.
Proceed to Test Step 2.
   
Table 3
Associated Diagnostic Trouble Codes    
CDL Code     J1939 Code    
E198     5580    
E1218     94    
Table 4
Troubleshooting Test Steps    Values    Results    
2. Check the Fuel Level in the Fuel Tank
Check the fuel level in the fuel tank.
   
Fuel level    
Result: The fuel level is acceptable.
Proceed to Test Step 3.
Result: The fuel level is not acceptable.
Fill the tank. Verify that the problem has been resolved.
If the problem has not been resolved, proceed to Test Step 3.
   
Illustration 1 g02041759
Fuel supply lines for inspection
Illustration 2 g02163246
Cooling line from fuel high-pressure pump to injectors
Illustration 3 g02041781
Fuel return line to be inspected
Table 5
Troubleshooting Test Steps    Values    Results    
3. Inspect the Fuel Supply Lines
A. Visually inspect the fuel lines between the priming pump and the inlet to the cylinder head. Also, inspect the fuel cooler (if equipped) for dirt, debris, or damage. Inspect the fuel return line from the head to the fuel tank. Inspect the lines for restrictions, pinching, and swelling. Refer to Systems Operation/Testing and Adjusting, "Fuel System - Inspect" for additional information.
B. Inspect the fuel cooler for dirt, debris, or damage.
   
Fuel supply lines    
Result: The fuel lines and the cooler (if equipped) are OK.
Proceed to Test Step 4.
Result: The fuel lines and the cooler (if equipped) are not OK.
Replace damaged fuel lines and/or fuel cooler. Remove dirt or debris from fuel cooler fins. Verify that the problem has been resolved.
If the problem has not been resolved, proceed to Test Step 4.
   
Illustration 4 g02338019
Fuel cooler
Illustration 5 g02041953
(1) Fuel temperature sensor
Table 6
Troubleshooting Test Steps    Values    Results    
4. Replace the Temperature Sensor
A. Replace fuel temperature sensor (1) .
B. Check for active codes or logged codes.
   
Fuel temperature sensor    
Result: A E363 code is active or logged.
Proceed to Test Step 5.
Result: A E363 code is not active or logged. Return the unit to service.
STOP
   Contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).