HOUSING ASSEM. 9J0731 - Caterpillar

Table 1
J1939 Code and Description CDL Code and Description Comments
105-0
Engine Intake Manifold #1 Temperature : High - most severe (3) E539 (3)
High Intake Manifold Air Temperature The intake manifold air temperature is above the trip point for the programmed delay time.
The code is logged.
105-15
Engine Intake Manifold #1 Temperature : High - least severe (1) E539 (1)
High Intake Manifold Air Temperature The intake manifold air temperature is above the trip point for the programmed delay time.
The code is logged.
105-16
Engine Intake Manifold #1 Temperature : High - moderate severity (2) E539 (2)
High Intake Manifold Air Temperature The intake manifold air temperature is above the trip point for the programmed delay time.
The code is logged. Probable Causes
Codes
Inlet air temperature
Coolant temperature
Inlet air restriction
Engine overload
Air-to-air aftercoolerRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: A code is active or logged.
Proceed to Test Step 2.
2. Check for High Inlet Air Temperature
Temperature
Result: The inlet air temperature is OK.
Proceed to Test Step 3.
Result: The inlet air temperature is NOT OK.
Repair: Determine the reason for high inlet air temperatures. Repair or replace damaged components.
If