PISTON 9T4180 - Caterpillar

Table 1 lists the diagnostic trouble codes for high intake manifold air temperature.Note: Some of the following codes may not be applicable for certain applications.
Table 1
Diagnostic Trouble Codes    
J1939 Code    CDL Code    Code Description
(code descriptions may vary)    Comments    
105-0     E539 (3)     High Intake Manifold Air Temperature     The code indicates that the temperature of the intake air into the engine has risen above a predetermined threshold. The value is obtained from a virtual sensor. For information on virtual sensors, refer to System Operations and Testing and Adjusting.
Engine power may be derated.    
105-15     E539 (1)     High Intake Manifold Air Temperature     The code indicates that the temperature of the intake air into the engine has risen above a predetermined threshold. The value is obtained from a virtual sensor. For information on virtual sensors, refer to System Operations and Testing and Adjusting.
Engine power may be derated.    
105-16     E539 (2)     High Intake Manifold Air Temperature     The code indicates that the temperature of the intake air into the engine has risen above a predetermined threshold. The value is obtained from a virtual sensor. For information on virtual sensors, refer to System Operations and Testing and Adjusting.
Engine power may be derated.    
Follow the troubleshooting procedure in order to identify the root cause of the problem.    
Table 2
Associated Diagnostic Trouble Codes    
E1092    
412-15    
412-16    Complete the procedure in the order in which the steps are listed.
Table 3
Troubleshooting Test Steps     Values     Results    
1. Check for Diagnostic Trouble Codes
A. Establish communication between Cat® 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.
C. Determine if an associated code is active or logged. Table 2 lists associated diagnostic codes.    
Codes    
Result: An associated code is active.
Repair: Refer to Troubleshooting, "Diagnostic Trouble Codes" in order to troubleshoot the associated diagnostic code.
Result: An associated code is not active or logged.
Proceed to Test Step 2.
Result: An E539 or 105 diagnostic code is active.
Proceed to Test Step 2.
Result: A code is not active or logged.
Proceed to Test Step 2.    
Illustration 1 g02894017
Inspection point
Table 4
Troubleshooting Test Steps     Values     Results    
2. Check the Aftercooler for Leaks or Restrictions
A. Inspect the exterior surface of the ATAAC for excessive buildup of dirt or debris. Also verify that the fins of the ATAAC are not damaged.
   
Restrictions    
Result: The ATAAC has