13331-ZV7-003 SEE PART DETAILS - SUP; WASHER, THRUST (Honda Code 4431854). Honda
BF25AW LHA, BF25AW LHSA, BF25AW LRSA, BF25AW SHA, BF25AW SHSA, BF25AW SRSA, BF25AW XRSA, BF25AX LHA, BF25AX LHSA, BF25AX LRSA, BF25AX SHA, BF25AX SHSA, BF25AX SRSA, BF25AX XRSA, BF25AY LHA, BF25AY LHSA, BF25AY LRSA, BF25AY SHA, BF25AY SHSA, BF25AY SR
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BF25AW LHA
BF25AW LHSA
BF25AW LRSA
BF25AW SHA
BF25AW SHSA
BF25AW SRSA
BF25AW XRSA
BF25AX LHA
BF25AX LHSA
BF25AX LRSA
BF25AX SHA
BF25AX SHSA
BF25AX SRSA
BF25AX XRSA
BF25AY LHA
BF25AY LHSA
BF25AY LRSA
BF25AY SHA
BF25AY SHSA
BF25AY SRSA
BF25AY XRSA
BF30AW LHA
BF30AW LHSA
BF30AW LRSA
BF30AW SHA
BF30AW SRSA
BF30AX LHA
BF30AX LHSA
BF30AX LRSA
BF30AX SHA
BF30AX SRSA
BF30AY LHA
BF30AY LHSA
BF30AY LRSA
BF30AY SHA
BF30AY SRSA
Honda
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Information:
Table 1
Diagnostic Trouble Codes    
J1939 Code     CDL Code     Code Description     Comments    
3473-31     E1025 (2)     Aftertreatment #1 Failed to Ignite     The Aftertreatment Regeneration Device (ARD) failed to ignite once during an ARD Ignition Test. Usually, the "failed to ignite" code is accompanied by another logged code that indicates the condition that caused the failure to ignite.    
Follow the troubleshooting procedure in order to identify the root cause of the problem.    Components for the Ignition SystemThe ignition coil is located on the Clean Emissions Module (CEM) mounting plate. Refer to Illustration 1.
Illustration 1 g02220355
CEM (typical) (1) ARD ignition coil (2) Relay for the ARD nozzle heater (3) Cable for CEM electrical connector to ECM (4) ARD combustion headSystem OperationThe ARD ignition system has two circuits. The primary circuit is between the ECM and the ARD ignition coil. The secondary circuit is between the ARD ignition coil and the ARD spark plug. The current flow through the primary circuit indicates the condition of the primary circuit and of the secondary circuit. The ECM monitors the current flow through the primary circuit. In this way, the ECM is able to detect problems with the primary circuit and the secondary circuit.
Table 2
Associated Diagnostic Trouble Codes    
J1939 Code     CDL Code    
3837-17     E1070(1)    
3487-7     2489-7    
3480-15 or 3480-16     E1050(1) or (2)    
4077-15 or 4077-16     E1051 (1) or (2)    
3480-17 or 3480-18     E1052(1) or (2)    
4077-17 or 4077-18     E1053(1) or (2)    
3609-15     E1156(1)    
3487-13     2489-13    
No associated codes     A problem with the ignition circuit is the most likely cause of a logged E1025 (2) or 3473-31 code with no additional codes.    
Table 3
Troubleshooting Test Steps     Values     Results    
1. Check for Associated Codes
A. Establish communication between Caterpillar Electronic Technician (ET) and the Electronic Control Module (ECM).
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
C. If any of the associated codes in Table 2 are logged, troubleshoot the codes before continuing with this procedure.
   
Associated codes    
Result: An associated code is active or logged.
Troubleshoot the associated codes before continuing with this procedure.
Result: An associated code is not active or logged.
Proceed to Test Step 2.    
2. Inspect the Components
Carefully following this procedure is a good way to identify wiring problems.
A. Visually inspect the components for the ARD ignition system. Look for the following problems:
1. Loose connections or damaged connectors
2. Moisture on the connectors or the wiring
3. Damage that is caused by excessive heat
4. Damage that is caused by chafing
5. Improper routing of wiring
6. Damaged insulation
B. Verify that each end of the ground wire is securely connected to both ground points.
C. Push the boot on each end of the ignition wire. This tests whether the clip inside the boot is connected to the spark plug and to the ignition coil. There should not be a "click" when you push the boot onto either part. If you felt a "click", the clip inside the boot was not connected.
D. Pull on the end of each harness wire at the 3-pin connector for the ignition coil. This test verifies that the wire is crimped to the terminal and that the terminal is inserted into the connector.
   
Damaged wiring or connectors    
Result: There is a problem with the wiring. A wire end is not connected or a wire is damaged.
Repair the wiring. Replace parts, if necessary.
Verify that the problem is resolved. If the problem is not resolved, proceed to Troubleshooting, "ARD Ignition - Test".
Result: The wiring is OK.
Proceed to Test Step 3.
   
3. Check the Current Flow to the Heating Element in the ARD Combustion Head
Start the engine. Check the current flow to the heater. Refer to Systems Operation/Testing and Adjusting, "ARD Nozzle Heater (Current)- Test" for the correct procedure.
   
7.0 A and 14 A for a 12 V system
or
3.5 A and 7 A for a 24 V system    
Result: The current flow is between 7.0 A and 14 A for a 12 V system. Or, 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 4.
Result: The current flow is not between 7.0 A and 14 A for a 12 V system. Or, the current flow is not between 3.5 A and 7 A for a 24 V system.
There may be a problem with the ARD nozzle. Refer to Troubleshooting, "ARD Nozzle Heater - Test".
   
4. Perform the "ARD Air System Service Test"
A. Reset all active codes. Use Cat ET to perform an "ARD Air System Service Test". Refer to Troubleshooting, "ARD Combustion Air - Test".
   
Test passed    
Result The "ARD Air System Service Test" failed.
There is a problem with the ARD combustion air. Refer to Troubleshooting, "ARD Combustion Air - Test".
Result The "ARD Air System Service Test" passed.
Proceed to Test Step 5.
   
Illustration 2 g02292553
373-4609 Spark Tester
Table 4
Troubleshooting Test Steps     Values     Results    
5. Check for Spark Voltage at the Spark Plug
A. Disconnect the ignition wire from the spark plug.
B. Connect the 373-4609 Spark Tester between ignition wire and the spark plug.
Use the Aftertreatment #1 Ignition Transformer Primary override on Cat ET to turn ON the ARD ignition system. Check for spark in the spark indicator.
   
Spark    
Result: There are sparks inside the spark indicator.
Turn off the ARD ignition system by disabling the override. Proceed to Test Step 6.
Result: There are no sparks inside the spark indicator.
Turn off the ARD ignition system by disabling the override
Parts see Honda:
17660-ZV5-901
17660-ZV5-901 SEE PART DETAILS - SUP; CONNECTOR, FUEL (Honda Code 4104782).
BF15AM LA, BF15AM LAS, BF15AM SA, BF15AM SAS, BF35AM LHA, BF35AM LRA, BF35AM LRTA, BF45AM LHA, BF45AM LRA, BF45AM LRTA, BF5AM LA, BF5AM SA, BF8AM LA, BF8AM SA, BF9.9AM LA, BF9.9AM LAS, BF9.9AM SA, BF9.9AM SAS
17661-921-000
17661-921-000 SEE PART DETAILS - SUP; PRIMER BULB (Honda Code 0444083).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115AX LA, BF115AX LCA, BF115AX XA, BF115AX XCA,
92101-06020-4J
92101-06020-4J SEE PART DETAILS - PRI; BOLT, HEX. (6X20) (Honda Code 2801207).
BF115A1 LA, BF115A1 LCA, BF115A1 XA, BF115A1 XCA, BF115A2 LA, BF115A2 LCA, BF115A2 XA, BF115A2 XCA, BF115A3 LA, BF115A3 LCA, BF115A3 XA, BF115A3 XCA, BF115A4 LA, BF115A4 LCA, BF115A4 XA, BF115A4 XCA, BF115A5 LA, BF115A5 LCA, BF115A5 XA, BF115A5 XCA,
12205-ZV5-325
12205-ZV5-325 SEE PART DETAILS - PRI; GUIDE, VALVE (0.25) (Honda Code 4683025).
BF35AM LHA, BF35AM LRA, BF35AM LRTA, BF35AM SHA, BF35AM XRTA, BF40A1 LHA, BF40A1 LHTA, BF40A1 LRA, BF40A1 LRTA, BF40A1 XRTA, BF40A2 LHA, BF40A2 LHTA, BF40A2 LRA, BF40A2 LRTA, BF40A2 XRTA, BF40A3 LHA, BF40A3 LHTA, BF40A3 LRA, BF40A3 LRTA, BF40A3 XRTA,
32112-ZV5-000
32112-ZV5-000 SEE PART DETAILS - SUP; BRACKET, CABLE CLIP (S) (Honda Code 3703758).
BF35AM LHA, BF35AM LRA, BF35AM LRTA, BF35AM SHA, BF35AM XRTA, BF40A1 LHA, BF40A1 LHTA, BF40A1 LRA, BF40A1 LRTA, BF40A1 XRTA, BF40A2 LHA, BF40A2 LHTA, BF40A2 LRA, BF40A2 LRTA, BF40A2 XRTA, BF40A3 LHA, BF40A3 LHTA, BF40A3 LRA, BF40A3 LRTA, BF40A3 XRTA,
90017-ZV5-010
90017-ZV5-010 SEE PART DETAILS - PRI; BOLT, FLANGE (10X25) (Honda Code 6673016).
BF35AM LHA, BF35AM LRA, BF35AM LRTA, BF35AM SHA, BF35AM XRTA, BF40A1 LHA, BF40A1 LHTA, BF40A1 LRA, BF40A1 LRTA, BF40A1 XRTA, BF40A2 LHA, BF40A2 LHTA, BF40A2 LRA, BF40A2 LRTA, BF40A2 XRTA, BF40A3 LHA, BF40A3 LHTA, BF40A3 LRA, BF40A3 LRTA, BF40A3 XRTA,
14520-ZV5-010
14520-ZV5-010 SEE PART DETAILS - SUP; SPRING, TIMING BELT ADJUSTING (Honda Code 6433197).
BF35AM LHA, BF35AM LRA, BF35AM LRTA, BF35AM SHA, BF35AM XRTA, BF40A1 LHA, BF40A1 LHTA, BF40A1 LRA, BF40A1 LRTA, BF40A1 XRTA, BF40A2 LHA, BF40A2 LHTA, BF40A2 LRA, BF40A2 LRTA, BF40A2 XRTA, BF40A3 LHA, BF40A3 LHTA, BF40A3 LRA, BF40A3 LRTA, BF40A3 XRTA,
90751-ZV4-C21
90751-ZV4-C21 SEE PART DETAILS - PRI; PIN, SPRING (3.0X22) (Honda Code 7360639).
BF15A1 LA, BF15A1 LAS, BF15A1 SA, BF15A1 SAS, BF15A1 XAS, BF15A2 LA, BF15A2 LAS, BF15A2 SA, BF15A2 SAS, BF15A2 XAS, BF15AX LA, BF15AX LAS, BF15AX SA, BF15AX SAS, BF15AX XAS, BF15AY LA, BF15AY LAS, BF15AY SA, BF15AY SAS, BF15AY XAS, BF15D3 LHA, BF15D3