12200-ZV4-010ZA Honda CYLINDER HEAD *NH8* (DARK GRAY) (Honda Code 2937928).

Table 1
J1939 Code and Description CDL Code and Description Comments
3362-14
Aftertreatment #1 DEF Dosing Unit Input Lines : Special Instruction E114 (2)
Aftertreatment #1 DEF Dosing Unit #1 Input Lines Not Purged (2) Diesel Exhaust Fluid (DEF) pump #1 did not completely purge the DEF system after the engine was turned off.
The code is logged.
7458-14
Aftertreatment #1 DEF Dosing Unit #2 Input Lines : Special Instruction E1663 (2)
Aftertreatment #1 DEF Dosing Unit #2 Input Lines Not Purged (2) DEF pump #2 did not completely purge the DEF system after the engine was turned off.
The code is logged.
Table 2
Associated Codes
J1939 Code CDL Code Troubleshooting Procedure
3361-5 3102-5 Troubleshooting, "DEF Pump Motor - Test"
3361-6 3102-6 Troubleshooting, "DEF Pump Motor - Test"
4334-15 3090-20 Troubleshooting, "DEF Pressure Is High"
4334-16 E930 (1) Troubleshooting, "DEF Pressure Is High"
4376-5 3862-5 Troubleshooting, "DEF Return Valve - Test"
4376-6 3862-6 Troubleshooting, "DEF Return Valve - Test"
4376-14 3862-14 Troubleshooting, "DEF Return Valve - Test"
5966-6 3965-6 Troubleshooting, "DEF Control Module Power - Test"
6309-6 3966-6 Troubleshooting, "DEF Control Module Power - Test"
7457-5 5032-5 Troubleshooting, "DEF Pump Motor - Test"
7457-6 5032-6 Troubleshooting, "DEF Pump Motor - Test"
7459-15 5006–20 Troubleshooting, "DEF Pressure Is High"
7459-16 E1705 (1) Troubleshooting, "DEF Pressure Is High"
7522-6 4799-6 Troubleshooting, "DEF Control Module Power - Test"
7523-6 4800-6 Troubleshooting, "DEF Control Module Power - Test"
7536-5 5008-5 Troubleshooting, "DEF Return Valve - Test"
7536-6 5008-6 Troubleshooting, "DEF Return Valve - Test"
7536-14 5008-14 Troubleshooting, "DEF Return Valve - Test"
Wait 2 minutes after the engine has stopped before turning the battery disconnect switch to the OFF position. The Diesel Exhaust Fluid (DEF) system requires 2 minutes to purge DEF from system components automatically. Failing to complete the purge could damage the Selective Catalyst Reduction (SCR) system.
Table 3
Required Tools
Part Number Part Name Qty
372-5260 Test Lead Tool Group 1 Probable Causes
Codes
Lamp
Voltage
Signal
System state
Wiring harnessRecommended Actions
Table 4
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat ET.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot the associated code before continuing with this test.
Result: All the following codes are active:
- 3362 or E114
- 7458 or E1663
Proceed to Test Step 2.
Result: One of the following codes is active:
- 3362 or E114
- 7458 or E1663
Proceed to Test Step 6.
2. Operate the Engine
A. Start the engine.
B. Run the engine until normal operating temperature is reached.
C. Connect Cat ET.
D. Use Cat ET to monitor the following:
- Aftertreatment SCR System State
Note: The Aftertreatment SCR System State is on the Aftertreatment status screen on the Selective Catalyst Reduction System ECM.
E. Check for codes when the "Aftertreatment SCR System State" reads "Normal Dosing Operation".
Codes
Result: A code is not active.
Proceed to Test Step 3.
Result: A code remains active while running the engine and another code becomes active.
Repair: Troubleshoot the code that came active while running the engine.
Verify that the repair eliminated the problem.
3. Check the Operation of the "Wait to Disconnect Lamp"
A. Start the engine.
B. Run the engine until normal operating temperature is reached.
C. Connect Cat ET.
D. Use Cat ET to monitor the following:
- Aftertreatment SCR System State
Note: The Aftertreatment SCR System State is on the Aftertreatment status screen on the Selective Catalyst Reduction System ECM.
E. Check the operation of the "Wait to Disconnect Lamp" when the "Aftertreatment SCR System State" reads "Normal Dosing Operation".
Lamp
Result: The "Wait to Disconnect Lamp" is illuminated while the "Aftertreatment SCR System State" reads "Normal Dosing Operation".
Return to service.
Result: The "Wait to Disconnect Lamp" is not illuminated while the "Aftertreatment SCR System State" reads "Normal Dosing Operation".
Repair: Replace the "Wait to Disconnect Lamp" bulb.
If the problem is not resolved, proceed to Test Step 4.
4. Check for Power at the "Wait to Disconnect Lamp"
A. Check for 24 VDC at terminal 1 of the "Wait to Disconnect Lamp".
24 VDC
Result: There was 24 VDC at terminal 1 of the "Wait to Disconnect Lamp".
Proceed