DAMPER AS 2P9632 - Caterpillar

System Operation Description:This procedure covers the following codes:
Table 1
J1939 Code and Description CDL Code and Description Comments
3480-17
Low Aftertreatment #1 Fuel Pressure #1 - Least Severe E1052 (1)
Low Aftertreatment #1 Fuel Pressure #1 - Least Severe There are Enhanced Troubleshooting Indicators for this code.
3480-18
Low Aftertreatment #1 Fuel Pressure #1 - Moderate Severity E1052 (2)
Low Aftertreatment #1 Fuel Pressure #1 - Moderate Severity There are not Enhanced Troubleshooting Indicators for this code.
4077-17
Low Aftertreatment #1 Fuel Pressure #2 - Least Severe E1053 (1)
Low Aftertreatment #1 Fuel Pressure #2 - Least Severe There are Enhanced Troubleshooting Indicators for this code.
4077-18
Low Aftertreatment #1 Fuel Pressure #2 - Moderate Severity E1053 (2)
Low Aftertreatment #1 Fuel Pressure #2 - Moderate Severity There are not Enhanced Troubleshooting Indicators for this code.
Table 2
Required Parts for Use with a 11/16 Fitting
8T-0855 Pressure Gauge
8T-8902 Tee
228-7089 O-Ring Seal (Tee)
6V-4144 Quick Connect Coupler
6V-3965 Fitting
3J-1907 O-Ring Seal
Required Parts for Use with a 9/16 Fitting
7X-2444 Swivel Tee
214-7568 O-Ring Seal (Tee)
6V-3965 Fitting
3J-1907 O-Ring Seal
8T-0855 Pressure Gauge
6V-4144 Quick Connect Coupler
Optional Parts
177-7860 Hose As
177-7861 Hose As
177-7862 Hose As
126-6872 9/16 Tee
8C-3309 11/16 Tee
Table 3
Associated Diagnostic Trouble Codes
5580-18 or E198
3427-5 or 5423-5
3427-6 or 5423-6
Table 4
Troubleshooting Test Steps Values Results
1. Check for Associated Codes
A. Establish communication between Cat® Electronic Technician (ET) and the Electronic Control Module (ECM).
Associated Diagnostic Trouble Codes
Result: A 5580-18 or E198 code is not active. Proceed to Test Step 2.
Result: A 5580-18 or E198 code is active.
Repair: Refer to Troubleshooting, "Fuel Pressure Is Low" for the proper troubleshooting procedure.
Result: A 3427-5, 3427-6, 5423-5 or 5423-6 code is active.
Repair: Refer to Troubleshooting, "Solenoid Valve - Test" for the proper troubleshooting procedure.
2. Record the Enhanced Troubleshooting Indicator (ETI) Code
A. Establish communication between Cat ET and the ECM.
B. The ETI code is located in the "Status" screen under "Enhanced Troubleshooting Information (ETI) - ARD". Record the Enhanced Troubleshooting Indicator (ETI) code.
ETI codes are not available for (2) or -18 codes.
Recorded ETI Code
Result: Record the ETI code if present.
Proceed to Test Step 3.
Illustration 1 g03178918
Table 5
Troubleshooting Test Steps Values Results
3. Check for External Leaks
A. Check for external leaks. Inspect the fuel lines from the pump to the fuel manifold. Check for pinched lines or leaking lines.
External Leaks
Result: A leak or pinched line was not found.
Proceed to Test Step 4.
Result: A leak or pinched line was found.
Repair: Repair all damaged lines or leaking lines. Perform the "ARD Ignition Test" by using Cat ET. Refer to System Operation and Testing and Adjusting, "ARD Fuel System - Test". If the "ARD Ignition Test" was successful, return the unit to service.
If the ARD ignition test was not successful, Proceed to Test Step 4.
Illustration 2 g03507107
Table 6
Troubleshooting Test Steps Values&n