CONTROL GP-ENGINE ELECTRONIC 9W5566 - Caterpillar

Required Tooling
Table 1
Required Tools
Tool Part Number Part Description Qty
A 470-7263 Container 1
B 481-8593 Test Kit (DEF) 1 Test Procedure
Remove the Diesel Exhaust Fluid (DEF) injector from the Clean Emissions Module (CEM). Refer to Disassembly and Assembly, "DEF Injector and Mounting - Remove and Install" for the correct procedure.Note: Leave the diesel exhaust fluid lines, and the electrical connector connected to the DEF injector.
Illustration 1 g03370846
DEF injector bolted to measuring container lid
Illustration 2 g03370910
A typical example of Tooling (A)
Assemble the DEF collection container from Tooling (A). Connect the DEF injector to the lid for the collection container.Note: Tooling (B) may be required to allow the DEF injector to be moved to a convenient location for testing.
Turn the key switch to the ON position.
Connect to the electronic service tool.
Illustration 3 g03370860
Typical example
Click "Diagnostics" in the main menu, then click "Diagnostic Tests".
Illustration 4 g03370869
Typical example
Proceed by clicking "DEF Dosing System Accuracy Test".
Illustration 5 g03370974
Typical example
Illustration 6 g03370954
Typical example
Click "Start" to proceed with the test.Note: With the DEF injector dosing, inspect the spray pattern. The injector spray pattern should be finely atomized and conical.Note: This test should run for 6 minutes. If the test only runs for 1 minute, repeat the test a further five times.
After the test has completed, check the measuring container to inspect the amount of DEF in the container. Dispose of the collected DEF as per local regulations and mandates.Specification for DEF sprayed during dosing test ... 105 mL to 130 mL
Reinstall the DEF injector assembly. Refer to Disassembly and Assembly, "DEF Injector and Mounting - Remove and Install" for the correct procedure.
Use the electronic service tool to perform the "Aftertreatment System Functional Test".