(Table 210, contd)
Troubleshooting Test Steps
Values Results
7. Check if a Replacement DEF pump Eliminates the Fault
A. Make sure that the latest flash file for the application is installed
in the DCU.
B. Install a replacement DEF pump. Refer to Disassembly and
Assembly, Diesel Exhaust Fluid Pump - Remove and Install for
the correct procedure.
Reset the Dosing Control Unit (DCU) and install new DCU soft-
ware. Refer to Troubleshooting, ECM Software - Install (Dosing
Control Unit) for the correct procedure
Note: If this repair is part of a warranty claim, refer to Special In-
struction, M0119435
Diagnostic
codes
Result: The DEF pump is replaced.
Use the electronic service tool to reset all active diagnos-
tic codes.
Proceed to Test Step 8.
8. Perform the ““Aftertreatment System Functional Test””
A. Turn the keyswitch to the ON position.
B. Use the electronic service tool to reset all active diagnostic
codes.
C. Use the electronic service tool to perform the “Aftertreatment
System Functional Test” .
Diagnostic
Codes
Result: The test passed and no diagnostic codes became
active.
Return the engine to service.
Result: The test failed.
Troubleshoot any diagnostic codes that became active
during the test. Refer to Troubleshooting “Diagnostic
Trouble Codes”.
If the procedure did not correct the fault, contact the Deal-
er Solutions Network (DSN).
i07746259
Sensor Signal (Analog, Active)
- Test
This procedure covers the following diagnostic
codes:
Table 211
Diagnostic Codes for the Active Analog Sensors
J1939 Code PDL Code
Code Description
(code descriptions may
vary)
Comments
100-3 100-3 Engine Oil Pressure Sensor :
Voltage Above Normal
The Electronic Control Module (ECM) detects signal voltage that is not in the
acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.
100-4 100-4 Engine Oil Pressure Sensor :
Voltage Below Normal
The ECM detects signal voltage that is not in the acceptable range.
The code is logged.
The value of the parameter is set to a gauge pressure.
(continued)
382 UENR4469-36
Circuit Tests
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