0379645 JOHNSON TERMINAL & SLEEVE

Table 1
Diagnostic Trouble Codes
J1939 Code CDL Code Code Description Comments
3480-15 E1050 (1) High Aftertreatment #1 Fuel Pressure #1 There are Enhanced Troubleshooting Indicators for this code.
3480-16 E1050 (2) High Aftertreatment #1 Fuel Pressure #1 There are not Enhanced Troubleshooting Indicators for this code.
Table 2
Required Tools
Tools Required for Use with an 11/16 in Fitting
Part Number Description Qty
8T-8902 Tee 1
228-7089 O-Ring Seals 2
Tools Required for Use with a 9/16 in Fitting
Part Number Description Qty
7X-2444 Swivel Tee 1
214-7568 O-Ring Seals (Tee) 2
Tools Required for Use with Both Sizes of Fitting
Part Number Description Qty
6V-3965 Fitting 1
3J-1907 O-Ring Seals 2
8T-0855 Pressure Gauge 1
6V-4144 Quick Connect Coupler 1
Optional Tools
Part Number Description Qty
177-7860 Hose As 1
177-7861 Hose As 1
177-7862 Hose As 1
126-6872 9/16 inch Tee 1
8C-3309 11/16 inch Tee 1
Illustration 1 g06126615
Aftertreatment Regeneration Device (ARD) fuel pump
(1) Electrical connector
(2) Fuel outlet
(3) Fuel return to tank
(4) Fuel inlet
(5) Fuel inlet (alternative)
(6) Fuel inlet (alternative)
Illustration 2 g06126617
ARD Combustion Head
(7) ARD pilot filter connector
Illustration 3 g06126629
ARD Fuel Manifold
(8) Pilot fuel control valveNote: After using the electronic service tool to clear a 3480-xx diagnostic trouble code, the keyswitch must also be cycled.Complete the procedure in the order in which the steps are listed.
Table 3
Troubleshooting Test Steps Values Results
1. Perform an ARD Ignition Test and Record the Enhanced Troubleshooting Indicator (ETI)
A. Establish communication between the electronic service tool and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Perform an ARD Ignition Test using the electronic service tool. Refer to System Operation and Testing and Adjusting, "ARD Fuel System - Test".
C. The ETI code is located in the "Active Events" or "Logged Events" screen in the electronic service tool. Record the Enhanced Troubleshooting Indicator (ETI) code.
ETI codes are not available for (2) codes.
ETI Code
Result : There is not an ETI for the diagnostic code.
Proceed to Test Step 2.
Result : The ETI code was recorded.
Proceed to Test Step 2.
Note: The ARD Ignition Test cannot be performed if the DPF soot loading is above 80%. When the DPF soot loading is above 80%, the Manual DPF Regeneration must be performed using the electronic service tool.
Table 4
Troubleshooting Test Steps Values Results
2. Check the Current Flow to the Heating Element in the ARD Combustion Head
A. Start the engine. Use a clamp-on ammeter to check the current flow to the heater.
Current Check
Result: The current flow is between 7.0 A and 14 A for a 12 V system. The current flow is between 3.5 A and 7 A for a 24 V system.
The current flow is OK. Proceed to Test Step 3.
Result: The current flow is not between 7.0 A and 14 A for a 12 V system. The current flow is not between 3.5 A and 7 A for a 24 V system.
Repair : There may be a problem with the ARD nozzle. Refer to Troubleshooting, "ARD Nozzle Heater - Test".
STOP.
3. Check the ARD Fuel Pump
A. Turn the engine OFF.
B. Disconnect the fuel outlet line (2) from the ARD fuel pump. Refer to Illustration 1.
C. Install the required parts listed in Tab