1 11 19-13 SUBJECT DATE SPN 3216/FMI 2, 18 GHG14 (MCM2.1) November 2013 Additions, Revisions, or Updates Publication Number / Title Platform Section Title Change SPN 3216/FMI 2 DDC-SVC-MAN-0084 GHG14 DD Platform GHG14 SPN 3216/FMI 18 GHG14 Added new steps and detail to MCM SPN/FMI data. All information subject to change without notice. 3
2 SPN 3216/FMI 2 GHG14 2 SPN 3216/FMI 2 GHG14 This diagnostic is typically Selective Catalyst Reduction (SCR) NOx Inlet Sensor Rationality Error. Table 1. Description Monitored Parameter Typical Enabling Conditions (Common Subset for all Engines) Monitor Sequence Execution Frequency Typical Duration Dash Lamps Engine Reaction Verification SPN 3216/FMI 2 NOx Inlet Sensor Plausibility Check Aftertreatment Inlet NOx Sensor General Enabling Condition: Engine is not in regen and operating at high speed and loads Specific Enabling Conditions: Engine Parameter Min Max Engine Speed (rpm) 1350 1600 Torque (Nm) 1100 1500 Battery Voltage (Volts) 11.08 Engine Coolant Outlet Temperature Ambient Temperature Barometric Pressure (mbar) 755 Time Since DPF regen (min.) 15 Beginning of Injection (BOI) - Degrees of Crankshaft Rotation EGR Mass (Kg/min) 5 None Continuous when enabling conditions met 150 seconds (2 Cycle) MIL None 70 C (158 F) -8 C (17.6 F) Warm up engine and ensure engine is not in regen mode. Drive a fully loaded trailer on highway and maintain above enabling conditions for 150 seconds. 10 1. Connect DDDL/DDRS 7.09 SP2 (or newer). 2. Are any other faults also present? a. Yes; repair those fault codes first. b. No; Go to step 3. 3. Monitor (chart) the following parameters: ASL102 engine speed AS018 SCR inlet temperature AS019 SCR outlet temperature AS035 SCR inlet NOx sensor AS036 SCR outlet NOx sensor AS101 NOx conversion efficiency NOTICE: Do not attempt to operate engine with the DEF lines disconnected. DEF pump runs and circulates DEF through the system at a limited rate (default) to aid in system cooling. 4. Disconnect the Diesel Exhaust Fluid (DEF) Dosing Unit electrical connector only. Leave Dosing Unit bolted to Aftertreatment and DEF hoses intact. NOTE: Running engine with DEF Doser Unit disconnected will induce fault codes. 4 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION 11 19-13
5. Inspect the DEF Dosing Unit harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, Go to step 6. WARNING: ENGINE EXHAUST To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic. WARNING: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked. WARNING: HOT EXHAUST During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside. 6. Start engine and begin a Perform Performance Check - Low Temp ATD. After thirty minutes, are the NOx sensor values equal (within 0 to 15 percent)? a. Yes; check for turbocharger type. If Asymmetrical Turbocharger (AT) engine, Go to step 7. If Turbo Compound (TC) engine, Go to step 16. b. No; Go to step 33. 7. Turn the ignition OFF. 8. Inspect the air line to the wastegate solenoid from the vehicle primary air tank. Does the wastegate solenoid have a dedicated air line from the vehicle primary air tank? a. Yes; Go to step 9. b. No; if the air line supplies other components, replace the air line. Install new air line with a dedicated fitting to primary air tank. Go to step 35. 9. Ensure the vehicle air supply is at least 6.0 bar (87 psi). Inspect the air line connection to the wastegate solenoid. a. If there are leaks or kinks, repair or replace as necessary. Go to step 35. b. If there are no leaks or kinks, Go to step 10. 10. Inspect the wastegate actuator and the plumbing to and from the actuator. Verify wastegate opens and closes. a. If binding or damage is found, repair as necessary. Go to step 35. b. If no damage is found, Go to step 11. 11. Turn the ignition ON (key ON, engine OFF). NOTE: Wastegate control does not respond at 50 percent. To cycle wastegate, use either 0 percent or 95 percent. 12. Using DDDL/DDRS 7.09 SP2 (or newer), activate wastegate control from Service Routines Activate Outputs Panel. Run slide control up to 95 percent - (Click Set). Wastegate will open with air psi available. Observe wastegate linkage movement. Does wastegate open when commanded? a. Yes; Go to step 13. b. No; Go to step 14. 13. Move slide control down to 0. Observe wastegate linkage movement. Does wastegate close when commanded? a. Yes; Go to step 16. b. No; Go to step 14. 14. Disconnect the wastegate solenoid harness connector. All information subject to change without notice. 5
2 SPN 3216/FMI 2 GHG14 15. Inspect the wastegate solenoid and harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, replace the wastegate solenoid. Refer to section "Removal of the DD13 Wastegate Solenoid". Go to step 35. Refer to section "Removal of the GHG14 DD15 Asymmetrical Turbocharger Wastegate Solenoid". Go to step 35. 16. Turn the ignition OFF. 17. Perform Charge Air Cooler (CAC) inspection and leak test. Refer to OEM literature for procedure. a. If damage is found, repair as necessary. Go to step 35. b. If no damage is found, Go to step 18. 18. Visually inspect the entire Exhaust Gas Recirculation (EGR) and exhaust system (turbine housing, exhaust manifold, etc.) for evidence of external leakage (e.g. soot, coolant deposits at joints). a. If external leakage is found, repair as necessary. Go to step 35. b. If no external leakage is found, Go to step 19. 19. Remove the delta P sensor from the mounting pad; leave the electrical harness connected. 20. Inspect the delta P sensor for moisture inside the ports. Shake moisture out if necessary; do not replace the sensor. 21. Inspect the delta P venturi ports for clogging and blockage. A layer of soot on the delta P sensor is OK. a. If no blockage is found, Go to step 22. b. If blockage is found, clean venturi ports. Do not replace delta P sensor. Go to step 35. 22. Turn the ignition ON (key ON, engine OFF). 23. Using DDDL/DDRS 7.09 SP2 (or newer), monitor delta P voltage (pin 109). 24. Is the delta P voltage between 0.55 and 0.83 volts? a. Yes; Go to step 28. b. No; Go to step 25. 25. Turn the ignition OFF. 26. Disconnect the delta P sensor harness connector. 27. Inspect the delta P sensor harness connector for loose, bent, spread or corroded pins. a. If pin damage is found, repair as necessary. Go to step 35. b. If no connector damage is found, replace delta P sensor. Refer to section "Removal of the Delta P Sensor". Go to step 35. 28. Compare Inlet Manifold Pressure (IMP) value with the barometric pressure value. Are the values within 10.3 kpa (1.5 psi) of each other? a. Yes; Go to step 31. b. No; Go to step 29. 29. Disconnect the intake pressure/temperature sensor. 30. Inspect the intake pressure/temperature sensor and wiring connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, replace intake pressure/temperature sensor. Refer to section "Removal of the Intake Pressure/Temperature Sensor". Go to step 35. 31. Remove EGR cooler hot pipe, EGR crossover pipe and delivery pipe and inspect for excessive build-up or blockage of soot. a. If excessive build-up or blockage of soot is found, clean piping and replace EGR cooler. Refer to section "Removal of the DD13 Exhaust Gas Recirculation Cooler Water Manifold Assembly". Go to step 35. b. If there is no excessive build up or blockage of soot, Go to step 32. 32. Inspect the EGR valve for physical damage (broken butterfly, etc.). a. If the EGR valve is damaged, replace the center section of the exhaust manifold. Refer to section "Removal of the Exhaust Manifold". Go to step 35. b. If no damage is found, Go to step 33. 33. Disconnect the NOx inlet sensor harness connector. 34. Inspect the NOx inlet sensor and wiring connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. 6 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION 11 19-13
a. If pin damage is found, repair as necessary. Go to step 35. b. If no connector damage is found, replace the SCR inlet NOx sensor. Refer to section "Removal of the GHG14 Selective Catalytic Reduction Inlet NOx Sensor". Go to step 35. 35. Verify repairs by warming up engine and ensure engine is not in regen mode. Drive with a fully loaded trailer on highway and maintain a steady speed and load for ten minutes. All information subject to change without notice. 7
3 SPN 3216/FMI 18 GHG14 3 SPN 3216/FMI 18 GHG14 This diagnostic is typically Selective Catalyst Reduction (SCR) Inlet NOx Sensor - Drift Low. Table 2. Description Monitored Parameter Typical Enabling Conditions (Common Subset for all Engines) Monitor Sequence Execution Frequency Typical Duration Dash Lamps Engine Reaction Verification SPN 3216/FMI 18 NOx Sensor Plausibility Check Aftertreatment Inlet NOx Sensor General Enabling Condition: Engine is not in regen and operating at high speed and loads Specific Enabling Conditions: Engine Parameter Min Max Engine Speed (rpm) 1350 1600 Torque (Nm) 1100 1500 Battery Voltage (Volts) 11.08 Engine Coolant Outlet Temperature Ambient Temperature Barometric Pressure (mbar) 755 Time Since DPF regen (min.) 15 Beginning of Injection (BOI) - Degrees of Crankshaft Rotation EGR Mass (Kg/min) 5 None Continuous when enabling conditions met 150 seconds (2 Cycle) MIL None 70 C (158 F) -8 C (17.6 F) Warm up engine and ensure engine is not in regen mode. Drive a fully loaded trailer on highway and maintain above enabling conditions for 150 seconds. 10 Check as follows: 1. Connect DDDL/DDRS 7.09 SP2 (or newer). 2. Are any other faults also present? a. Yes; repair those fault codes first. b. No; Go to step 3. 3. Monitor (chart) the following parameters: ASL102 engine speed AS018 SCR inlet temperature AS019 SCR outlet temperature AS035 SCR inlet NOx sensor AS036 SCR outlet NOx sensor AS101 NOx conversion efficiency NOTICE: Do not attempt to operate engine with the DEF lines disconnected. DEF pump runs and circulates DEF through the system at a limited rate (default) to aid in system cooling. 4. Disconnect the Diesel Exhaust Fluid (DEF) Dosing Unit electrical connector only. Leave Dosing Unit bolted to Aftertreatment and DEF hoses intact. NOTE: Running engine with DEF Doser Unit disconnected will induce fault codes. 8 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION 11 19-13
5. Inspect the DEF Dosing Unit harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, Go to step 6. NOTE: Running engine with DEF Doser Unit disconnected will induce fault codes. WARNING: HOT EXHAUST During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside. WARNING: ENGINE EXHAUST To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic. WARNING: PERSONAL INJURY To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked. 6. Start engine and begin a Perform Performance Check - Low Temp ATD. After thirty minutes, are the NOx sensor values equal (within 0 to 15 percent)? a. Yes; check for turbocharger type. If Asymmetrical Turbocharger (AT), Go to step 7. If Turbo Compound (TC), Go to step 16. b. No; Go to step 33. 7. Turn the ignition OFF. 8. Inspect the air line to the wastegate solenoid from the Vehicle primary air tank. Does the wastegate solenoid have a dedicated air line from the vehicle primary air tank? a. Yes; Go to step 9. b. No; if the air line supplies other components, replace the air line. Install new air line with a dedicated fitting to primary air tank. Go to step 35. 9. Ensure the vehicle air supply is at least 6.0 bar (87 psi). Inspect the air line connection to the wastegate solenoid. a. If there are leaks or kinks, repair or replace as necessary. Go to step 35. b. If there are no leaks or kinks, Go to step 10. 10. Inspect the wastegate actuator and the plumbing to and from the actuator. Verify wastegate opens and closes. a. If binding or damage is found, repair as necessary. Go to step 35. b. If no damage is found, Go to step 11. 11. Turn the ignition ON (key ON, engine OFF). NOTE: Wastegate control does not respond at 50 percent. To cycle wastegate, use either 0 percent or 95 percent. 12. Using DDDL/DDRS 7.09 SP2 (or newer), activate wastegate control from Service Routines Activate Outputs Panel. Run slide control up to 95 percent - (Click Set). Wastegate will open with air psi available. Observe wastegate linkage movement. Does wastegate open when commanded? a. Yes; Go to step 13. b. No; Go to step 14. 13. Move slide control down to 0. Observe wastegate linkage movement. Does wastegate close when commanded? a. Yes; Go to step 16. All information subject to change without notice. 9
3 SPN 3216/FMI 18 GHG14 b. No; Go to step 14. 14. Disconnect the wastegate solenoid harness connector. 15. Inspect the wastegate solenoid and harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, replace the wastegate solenoid. Refer to section "Removal of the DD13 Wastegate Solenoid". Go to step 35. Refer to section "Removal of the GHG14 DD15 Asymmetrical Turbocharger Wastegate Solenoid". Go to step 35. 16. Turn the ignition OFF. 17. Perform Charge Air Cooler (CAC) inspection and leak test. Refer to OEM literature for procedure. a. If damage is found, repair as necessary. Go to step 35. b. If no damage is found, Go to step 18. 18. Visually inspect the entire Exhaust Gas Recirculation (EGR) and exhaust system (turbine housing, exhaust manifold, etc.) for evidence of external leakage (e.g. soot, coolant deposits at joints). a. If external leakage is found, repair as necessary. Go to step 35. b. If no external leakage is found, Go to step 19. 19. Remove the delta P sensor from the mounting pad; leave the electrical harness connected. 20. Inspect the delta P sensor for moisture inside the ports. Shake moisture out if necessary; do not replace the sensor. 21. Inspect the delta P venturi ports for clogging and blockage. A layer of soot on the delta P sensor is OK. a. If no blockage is found, Go to step 22. b. If blockage is found, clean venturi ports. Do not replace delta P sensor. Go to step 35. 22. Turn the ignition ON (key ON, engine OFF). 23. Using DDDL/DDRS 7.09 SP2 (or newer), monitor delta P voltage (pin 109). 24. Is the delta P voltage between 0.55 and 0.83 volts? a. Yes; Go to step 28. b. No; Go to step 25. 25. Turn the ignition OFF. 26. Disconnect the delta P sensor harness connector. 27. Inspect the delta P sensor harness connector for loose, bent, spread or corroded pins. a. If pin damage is found, repair as necessary. Go to step 35. b. If no connector damage is found, replace delta P sensor. Refer to section "Removal of the Delta P Sensor". Go to step 35. 28. Compare Intake Manifold Pressure (IMP) value with the barometric pressure value. Are the values within 10.3 kpa (1.5 psi) of each other? a. Yes; Go to step 31. b. No; Go to step 29. 29. Disconnect the intake pressure/temperature sensor. 30. Inspect the intake pressure/temperature sensor and wiring connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. b. If no signs of damage are present, replace IMP sensor. Refer to section "Removal of the Intake Pressure/ Temperature Sensor". Go to step 35. 31. Remove EGR cooler hot pipe, EGR crossover pipe and delivery pipe and inspect for excessive build-up or blockage of soot. a. If excessive build-up or blockage of soot is found, clean piping and replace EGR cooler. Refer to section "Removal of the DD13 Exhaust Gas Recirculation Cooler Water Manifold Assembly". Go to step 35. b. If there is no excessive build up or blockage of soot, Go to step 32. 32. Inspect the EGR valve for physical damage (broken butterfly, etc.). a. If the EGR valve is damaged, replace the center section of the exhaust manifold. Refer to section "Removal of the Exhaust Manifold". Go to step 35. b. If no damage is found, Go to step 33. 33. Disconnect the NOx inlet sensor harness connector. 10 All information subject to change without notice. Copyright 2013 DETROIT DIESEL CORPORATION 11 19-13
34. Inspect the NOx inlet sensor and wiring connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. a. If pin damage is found, repair as necessary. Go to step 35. b. If no connector damage is found, replace the SCR inlet NOx sensor. Refer to section "Removal of the GHG14 Selective Catalytic Reduction Inlet NOx Sensor". Go to step 35. 35. Verify repairs by warming up engine and ensure engine is not in regen mode. Drive with a fully loaded trailer on highway and maintain a steady speed and load for ten minutes. All information subject to change without notice. 11