
i06017534
Inlet Air Is Restricted
The Electronic Control Module (ECM) detects a fault
with the air flow through the air filter. If the air flow has
been restricted, the ECM will generate one of the
following codes:
Table 44
Code for Inlet Air Restriction
J1939
Code
Description
Information
107-15
Engine Air Filter 1 Differential Pressure : High - least severe (1)
The Electronic Control Module (ECM) detects the following
conditions:
The air filter restriction switch indicates that the air filter is
blocked.
The engine has been operating for at least 60 seconds.
The engine speed is at least 1800 rpm.
If equipped, the warning lamp will flash
107-16
Engine Air Filter 1 Differential Pressure: High - moderate severity
(2)
The ECM detects that a 107-15 diagnostic code has been active
for at least 30 minutes.
If equipped, the warning lamp will flash.
The engine will be derated.
Complete the procedure in the order in which the
steps are listed.
Table 45
Troubleshooting Test Steps
Values
Results
1. Check the Air Filter Element
A.
Check the air intake system for plugged air filters or for damaged
air filters. If the engine is equipped with an air intake precleaner,
verify the proper operation of the air intake precleaner.
Plugged Air Filter
Result:
The air filter is clogged.
Repair:
Clean or replace the air filter. Verify that the
problem is resolved.
Result:
The air filter is not clogged.
Proceed to Test Step 2.
2. Check the Air Inlet Piping
A.
Check the air inlet piping for damage or restrictions.
Damaged Air Inlet
Piping
Result:
The air inlet piping is damaged or has
restrictions.
Repair:
Repair the piping or replace the piping. Verify
that the problem is resolved.
Result:
The air inlet piping does not have damage or
restrictions.
Proceed to Test Step 3.
3. Check the Enclosure Ventilation
A.
Check that the engine has been installed in an enclosure that is
sufficiently ventilated.
Enclosure Ventilation
Result:
The engine does not have sufficient
ventilation.
Repair:
Repair the ventilation for the enclosure. Veri-
fy that the problem is resolved.
UENR0612
99
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