Table 36
Troubleshooting Test Steps
Values Results
3. Check the DEF Quality
A. Use Tooling A to measure the Diesel Exhaust Fluid (DEF)
quality.
B. Use Tooling D to measure the DEF hydrocarbon contamination
level.
Refer to Systems Operation, Testing and Adjusting, “Diesel Ex-
haust Fluid Quality - Test” for the correct procedure.
Refer to Illustration 37 for an example of a good refractometer re-
sult. Refer to Illustration 38 for an example of a good test strip
result.
DEF quality
standards
Result: The DEF quality is within the acceptable range,
the DEF is free from hydrocarbons and one of the codes
listed in Table 33 is active.
Proceed to Test Step 4.
Result: The DEF quality is not within the acceptable
range or Tooling D has indicated the presence of hydro-
carbon contamination.
Repair: Drain the DEF fluid from the tank. Refill the tank
with DEF that meets ISO 22241 quality standards.
Refer to Operation and Maintenance Manual, “Diesel Ex-
haust Fluid Tank - Flush” for the correct procedure.
Proceed to Test Step 5.
4. Check the Installation Status of the DEF Quality Sensor
A. Use the electronic service tool to check the “Aftertreatment #1
DEF Quality Sensor Installation Status” .
Sensor installa-
tion status
Result: The installation status is set to “Not Installed” .
Use the electronic service tool to change the “Aftertreat-
ment #1 DEF Quality Sensor Installation Status” to “In-
stalled” .
Run the engine for 10 minutes
Repeat this procedure from Test Step 2.
Result: The installation status is set to “Installed” and
one of the codes listed in Table 33 is still active.
Repair : Repair the DEF Tank header sensor with the
DEF Manifold Sensor Kit. Refer to Disassembly and As-
sembly, Manifold (DEF Heater) Sensor - Disassemble
(Temperature, Level, Quality DEF Manifold Sensor) and
Manifold (DEF Heater) Sensor -Assemble (Temperature,
Level, Quality DEF Manifold Sensor).
Proceed to Test Step 5.
5. Perform an ““Aftertreatment System Functional Test””
A. Start the engine.
B. Connect to the electronic service tool.
C. Use the electronic service tool to perform the “Aftertreatment
System Functional Test”
Diagnostic
codes
Result: The test completed successfully.
Return the unit to service.
Result: The test did not complete successfully and addi-
tional diagnostic codes are active. Troubleshoot the addi-
tional diagnostic codes. Refer to Troubleshooting,
Diagnostic Trouble Codes or Troubleshooting, Event Co-
des for more information.
100 UENR4469-36
Symptom Troubleshooting
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
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