Download AGCO Tractor EEM4 V1.4 Troubleshooting Manual 2012 PDF (English)

Get the official AGCO Tractor EEM4 V1.4 Troubleshooting Manual (2012) in high-quality PDF format. This comprehensive service manual covers complete electronic engine management diagnostics, diagnostic trouble code (DTC) lookup, wiring diagrams, electrical schematics, and step-by-step repair instructions for AGCO tractors equipped with the EEM4 V1.4 system. Essential for agricultural mechanics, technicians, and tractor owners, this fully searchable PDF guide helps you quickly diagnose engine faults, clear fault codes, and minimize downtime. Instant download available.

MODEL COVERED:
AGCO EEM4 V1.4 Tractor

CONTENTS INCLUDED :
Introduction
Purpose
Scope
Definitions, Terms, Acronyms and Abbreviations
References
EEM4 general instructions
Fault Codes
SPN 100, FMI 1, Oil pressure LOW, ALARM
SPN 100, FMI 16, Oil pressure ABOVE NORMAL (>9,5bar/30°C)
SPN 100, FMI 18, Oil pressure LOW
SPN 100, FMI 3, Oil pressure sensor voltage above normal or open circuit
SPN 100, FMI 31, Oil pressure sensor defect
SPN 100, FMI 4, Oil pressure sensor voltage below normal
SPN 102, FMI 16, Boost pressure ABOVE NORMAL
SPN 102, FMI 18, Boost pressure LOW
SPN 102, FMI 3, Boost pressure sensor voltage above normal or open circuit
SPN 102, FMI 31, Intake manifold pressure drop too HIGH at cranking
SPN 102, FMI 4, Boost pressure sensor voltage below normal
SPN 1043, FMI 3, Internal 12V supply voltage above normal
SPN 1043, FMI 4, Internal 12V supply voltage below normal
SPN 105, FMI 16, Intake air temp. ABOVE NORMAL (90°C)
SPN 105, FMI 3, Intake air temp. sensor voltage above normal or open circuit
SPN 105, FMI 4, Intake air temp sensor voltage below normal
SPN 1076, FMI 14, MPROP control, Open circuit
SPN 1076, FMI 3, MPROP control, High side short circuit to HIGH SOURCE
SPN 1076, FMI 4, MPROP control, Low side short circuit to GROUND
SPN 1076, FMI 5, MPROP control, Low side short circuit to HIGH SOURCE
SPN 1076, FMI 6, MPROP control, High side short circuit to GROUND
SPN 1077, FMI 3, ECU internal fault 0101
SPN 1077, FMI 14, MPROP control, Powerstage over temperature
SPN 1077, FMI 4, ECU internal fault 0102
SPN 107, FMI 18, Air filter pressure BELOW NORMAL
SPN 107, FMI 31, Air filter pressure sensor active at init state
SPN 108, FMI 3, Ambient pressure sensor voltage above normal or open circuit
SPN 108, FMI 4, Ambient pressure sensor voltage below normal
SPN 109, FMI 3, Coolant pressure sensor voltage above normal or open circuit
SPN 109, FMI 4, Coolant pressure sensor voltage below normal
SPN 110, FMI 0, Coolant temperature HIGH, ALARM (>113C)
SPN 110, FMI 16, Coolant temperature ABOVE NORMAL (>106C)
SPN 110, FMI 3, Coolant temperature sensor voltage above normal or open circuit
SPN 110, FMI 4, Coolant temperature sensor voltage below normal
SPN 1136, FMI 0, ECU over temperature HIGH, ALARM
SPN 1136, FMI 3, ECU temperature sensor voltage above normal or open circuit
SPN 1136, FMI 4, ECU temperature sensor voltage below normal
SPN 1321, FMI 3, Start relay high side voltage above normal
SPN 1321, FMI 6, Start relay high side current above normal
SPN 1381, FMI 16, Fuel supply pump inlet pressure ABOVE NORMAL
SPN 1381, FMI 18, Fuel supply pump inlet pressure BELOW NORMAL
SPN 94, FMI 3, Fuel supply pump inlet pressure sensor voltage above normal or open circuit.
SPN 94, FMI 4, Fuel supply pump inlet pressure sensor voltage below normal.
SPN 1485, FMI 11, ECU internal fault 0100
SPN 1485, FMI 31, Main relay early opening at previous afterrun
SPN 157, FMI 0, Rail pressure above normal
SPN 157, FMI 14, Rail pressure, Leakage detected at low idle
SPN 157, FMI 15, Rail pressure controller, Positive deviation
SPN 157, FMI 16, Rail pressure ABOVE NORMAL
SPN 157, FMI 17, Rail pressure controller, Negative deviation
SPN 157, FMI 18, Rail pressure below normal
SPN 157, FMI 2, Rail pressure raw value is intermittent
SPN 157, FMI 20, Rail pressure raw value is above maximum offset
SPN 157, FMI 21, Rail pressure raw value is below minimum offset
SPN 157, FMI 3, Rail pressure sensor voltage above normal or open circuit
SPN 157, FMI 31, Rail pressure, Leakage detected at load condition
SPN 157, FMI 4, Rail pressure sensor voltage below normal
SPN 1639, FMI 18, Fan control underspeed or no signal detected
SPN 1639, FMI 19, Fan speed request CAN signal missing
SPN 168, FMI 0, Battery voltage ABOVE NORMAL
SPN 168, FMI 1, Battery voltage BELOW NORMAL (< 7,8 V)
SPN 168, FMI 3, Battery voltage sensor, voltage above normal
SPN 168, FMI 4, Battery voltage sensor, voltage below normal
SPN 171, FMI 10, Ambient temperature sensor signal abnormal rate of change
SPN 171, FMI 19, Ambient temperature CAN signal missing
SPN 171, FMI 3, Ambient temperature sensor voltage above normal or open circuit
SPN 171, FMI 4, Ambient temperature sensor voltage below normal
SPN 174, FMI 0, Fuel inlet temperature HIGH, ALARM (>85°C)
SPN 174, FMI 3, Fuel temperature sensor voltage above normal or open circuit
SPN 174, FMI 4, Fuel temperature sensor voltage below normal
SPN 1761, FMI 1, DEF tank EMPTY
SPN 1761, FMI 18, DEF tank LEVEL LOW
SPN 1761, FMI 3, DEF tank level sensor voltage above normal or open circuit
SPN 1761, FMI 4, DEF tank level sensor voltage below normal
SPN 190, FMI 16, Engine Speed ABOVE NORMAL
SPN 2659, FMI 1, EGR circulation mass flow rate below normal
SPN 2791, FMI 0, EGR Valve temperature alert
SPN 2791, FMI 10, EGR Valve initialization error
SPN 2791, FMI 11, EGR Valve torque limited
SPN 2791, FMI 12, EGR Valve short cut
SPN 2791, FMI 13, EGR Valve mechanical fault
SPN 2791, FMI 16, EGR Valve temperature warning
SPN 2791, FMI 31, EGR Valve not present
SPN 2791, FMI 6, EGR Valve overload
SPN 2791, FMI 7, EGR Valve position deviation
SPN 2791, FMI 9, EGR Valve communication error
SPN 29, FMI 3, Throttle 2 sensor above normal or open circuit (IDLE)
SPN 29, FMI 4, Throttle 2 sensor below normal (IDLE)
SPN 3031, FMI 10, DEF tank temperature abnormal rate of change at heating cycle
SPN 3031, FMI 14, DEF tank maximum defrost time exceeded
SPN 3031, FMI 16, DEF tank temperature ABOVE normal
SPN 3031, FMI 3, DEF tank temp. sensor voltage above normal or open circuit
SPN 3031, FMI 31, DEF tank temeperature signal abnormal rate of change
SPN 3031, FMI 4, DEF tank temp. sensor voltage below normal
SPN 3349, FMI 8, Torque/Speed Control (TSC1) timeout
SPN 3361, FMI 11, DEF dosing valve overheat protection
SPN 3361, FMI 14, DEF dosing valve current abnormal behaviour
SPN 3361, FMI 3, DEF dosing valve low side short circuit to HIGH SOURCE
SPN 3361, FMI 31, DEF dosing valve powerstage driver chip over temperature
SPN 3361, FMI 4, DEF dosing valve high side short circuit
SPN 3361, FMI 5, DEF dosing valve high side short circuit to HIGH SOURCE or open load
SPN 3361, FMI 6, DEF dosing valve low side short circuit to GROUND or open load
SPN 3363, FMI 3, DEF tank heater coolant valve solenoid short circuit to HIGH SOURCE
SPN 3363, FMI 31, DEF tank heater ECU power stage over temperature
SPN 3363, FMI 4, DEF tank heater coolant valve solenoid short circuit to GROUND
SPN 3363, FMI 5, DEF tank heater coolant valve solenoid open circuit
SPN 3509, FMI 31, 5Vdc Supply 1 voltage out of range
SPN 3510, FMI 31, 5Vdc Supply 2 voltage out of range
SPN 3511, FMI 31, 5Vdc Supply 3 voltage out of range
SPN 3512, FMI 3, 12V sensor supply 1 voltage above normal
SPN 3512, FMI 4, 12V sensor supply 1 voltage below normal
SPN 3, FMI 14, Number of injections is limited by quantity balance of high pressure pump
SPN 4090, FMI 16, SCR system malfunction: NOx emission too HIGH
SPN 4090, FMI 18, SCR system malfunction: Measured NOx emission implausible
SPN 412, FMI 3, EGR gas temperature sensor voltage above normal or open circuit.
SPN 412, FMI 4, EGR gas temperature sensor voltage below normal.
SPN 4201, FMI 2, Crank speed signal erratic, too much noise pulses
SPN 4201, FMI 31, Crankshaft speed sensor signal missing
SPN 4332, FMI 0, SCR system ERROR: DEF over pressure detected
SPN 4332, FMI 11, SCR system ERROR: Pumped-Dosed quantities balance error
SPN 4332, FMI 14, SCR system ERROR: Pressure drop test failure
SPN 4332, FMI 16, SCR system ERROR: DEF dosing pressure above normal
SPN 4332, FMI 18, SCR system ERROR: DEF dosing pressure below normal
SPN 4332, FMI 31, SCR system ERROR: Emptying not completed at previous shutdown
SPN 4334, FMI 3, DEF pressure sensor voltage above normal or open circuit
SPN 4334, FMI 4, DEF pressure sensor voltage below normal
SPN 4340, FMI 3, DEF suction line heater control circuit short circuit to HIGH SOURCE
SPN 4340, FMI 31, DEF suction line heater ECU power stage over temperature
SPN 4340, FMI 4, DEF suction line heater control circuit short circuit to GROUND
SPN 4340, FMI 5, DEF suction line heater control circuit open circuit
SPN 4342, FMI 3, DEF backflow line heater control circuit short circuit to HIGH SOURCE
SPN 4342, FMI 31, DEF backflow line heater ECU power stage over temperature
SPN 4342, FMI 4, DEF backflow line heater control circuit short circuit to GROUND
SPN 4342, FMI 5, DEF backflow line heater control circuit open circuit
SPN 4344, FMI 12, DEF supply module temperature measurement module is not responding
SPN 4344, FMI 2, DEF supply module heater temperature signal in invalid range
SPN 4344, FMI 3, DEF supply module heater control circuit short circuit to HIGH SOURCE
SPN 4344, FMI 31, DEF supply module heater ECU power stage over temperature
SPN 4344, FMI 4, DEF supply module heater control circuit short circuit to GROUND
SPN 4344, FMI 8, DEF supply module heater temperature signal in failure range
SPN 4346, FMI 3, DEF pressure line heater control circuit short circuit to HIGH SOURCE
SPN 4346, FMI 31, DEF pressure line heater ECU power stage over temperature
SPN 4346, FMI 4, DEF pressure line heater control circuit short circuit to GROUND
SPN 4346, FMI 5, DEF pressure line heater control circuit open circuit
SPN 4354, FMI 3, DEF suction line heater relay low side (line relay) open circuit
SPN 4354, FMI 4, DEF suction line heater relay high side (heater, main relay) open circuit
SPN 4355, FMI 3, DEF backflow line heater relay low side (line relay) open circuit
SPN 4355, FMI 4, DEF backflow line heater relay high side (heater, main relay) open circuit
SPN 4356, FMI 3, DEF supply module heater relay low side open circuit
SPN 4356, FMI 4, DEF supply module heater relay high side (heater, main relay) open circuit
SPN 4356, FMI 5, DEF supply module heater relay open circuit
SPN 4357, FMI 3, DEF pressure line heater relay low side (line relay) open circuit
SPN 4357, FMI 4, DEF pressure line heater relay high side (heater, main relay) open circuit
SPN 4360, FMI 10, SCR catalyst inlet gas temp sensor value abnormal rate of change
SPN 4360, FMI 2, SCR catalyst inlet gas temp sensor value implausible
SPN 4360, FMI 3, SCR catalyst inlet gas temp. sensor voltage above normal or open circuit
SPN 4360, FMI 4, SCR catalyst inlet gas temp. sensor voltage below normal
SPN 4363, FMI 10, SCR catalyst outlet gas temp sensor value abnormal rate of change
SPN 4363, FMI 2, SCR catalyst outlet gas temp sensor value implausible
SPN 4363, FMI 3, SCR catalyst outlet gas temp. sensor voltage above normal or open circuit
SPN 4363, FMI 4, SCR catalyst outlet gas temp. sensor voltage below normal
SPN 4374, FMI 14, DEF pump motor speed permanent deviation
SPN 4374, FMI 31, DEF pump motor not available for actuation
SPN 4374, FMI 8, DEF pump motor speed deviation
SPN 4375, FMI 3, DEF pump motor control signal short circuit to HIGH SOURCE
SPN 4375, FMI 31, DEF pump motor control powerstage over temperature
SPN 4375, FMI 4, DEF pump motor control signal short circuit to GROUND
SPN 4375, FMI 5, DEF pump motor control signal current below normal or open circuit
SPN 4376, FMI 3, DEF pump direction valve low side short circuit to HIGH SOURCE
SPN 4376, FMI 31, DEF pump direction valve low side control powerstage over temperature
SPN 4376, FMI 4, DEF pump direction valve low side short circuit to GROUND
SPN 4376, FMI 5, DEF pump direction valve low side current below normal or open circuit
SPN 4792, FMI 14, SRC catalyst overtemperature
SPN 4792, FMI 2, SCR catalyst NOx sensors cross connected
SPN 4792, FMI 31, SCR catalyst temperature sensors cross connected
SPN 5020, FMI 3, Engine EGR mixer intake temperature sensor voltage above normal or open circuit
SPN 5020, FMI 4, Engine EGR mixer intake temperature sensor voltage below normal
SPN 520200, FMI 16, Powerstages could be disabled due to high Battery voltage
SPN 520200, FMI 18, Powerstages could be disabled due to low Battery voltage
SPN 520201, FMI 19, Bus off Engine CAN (1M)
SPN 520202, FMI 3, ECU Main Relay 0 Short circuit to HIGH SOURCE
SPN 520202, FMI 4, ECU Main Relay 0 short circuit to GROUND
SPN 520203, FMI 3, ECU Main Relay 1 Short circuit to HIGH SOURCE
SPN 520203, FMI 4, ECU Main Relay 1 short circuit to GROUND
SPN 520204, FMI 3, ECU Main Relay 2 Short circuit to HIGH SOURCE
SPN 520204, FMI 4, ECU Main Relay 2 short circuit to GROUND
SPN 520205, FMI 31, Error in torque control input
SPN 520206, FMI 31, ECU internal fault 0104
SPN 520208, FMI 31, Rail PRV recognised as OPEN
SPN 520209, FMI 31, Error in the plausibility of the injection energizing time
SPN 520210, FMI 12, Error in the plausibility of the start of energising angles
SPN 520211, FMI 31, ECU internal fault 0103
SPN 520212, FMI 31, ECU internal fault 0105
SPN 520213, FMI 31, ECU internal fault 0106
SPN 520214, FMI 31, ECU internal fault 0107
SPN 520215, FMI 31, ECU internal fault 0108
SPN 520216, FMI 31, ECU internal fault 0109
SPN 520217, FMI 31, ECU internal fault 0110
SPN 520218, FMI 31, ECU internal fault 0111
SPN 520219, FMI 31, ECU internal fault 0112
SPN 520220, FMI 31, ECU internal fault 0113
SPN 520221, FMI 31, ECU internal fault 0114
SPN 520222, FMI 31, ECU internal fault 0115
SPN 520223, FMI 31, ECU internal fault 0116
SPN 520224, FMI 31, ECU internal fault 0117
SPN 520225, FMI 31, ECU internal fault 0118
SPN 520226, FMI 31, ECU internal fault 0119
SPN 520227, FMI 31, ECU internal fault 0120
SPN 520228, FMI 12, ECU internal fault 0121
SPN 520229, FMI 13, ECU internal fault 0122
SPN 520230, FMI 31, Engine specification mismatch
SPN 520231, FMI 31, PTO input error
SPN 520232, FMI 31, Bad digital input configuration
SPN 520233, FMI 31, ECU internal fault 0128
SPN 520234, FMI 31, ECU internal fault 0129
SPN 520235, FMI 31, ECU internal fault 0130
SPN 520236, FMI 31, ECU internal fault 0131
SPN 520237, FMI 31, Customer fault 1 via digital input
SPN 520238, FMI 31, Customer fault 2 via digital input
SPN 520239, FMI 3, DEF dosing valve after cooler voltage above normal or short to HIGH SOURCE
SPN 520239, FMI 5, DEF dosing valve after cooler current below normal or open circuit
SPN 520239, FMI 6, DEF dosing valve after cooler current above normal or short to GROUND
SPN 520240, FMI 31, Injector bank 0 short circuit
SPN 520241, FMI 31, Injector bank 1 short circuit
SPN 520242, FMI 31, Injector bank 2 short circuit
SPN 520243, FMI 31, Rail PRV is forced to open; perform pressure increase
SPN 520244, FMI 31, Rail PRV is forced to open; perform pressure shock
SPN 520245, FMI 31, Rail PRV reached maxium allowed opening count
SPN 520246, FMI 31, Rail PRV reached maximun allowed open time
SPN 520247, FMI 31, ECU internal fault 0123
SPN 520248, FMI 31, ECU internal fault 0124
SPN 520249, FMI 31, ECU internal fault 0125
SPN 520250, FMI 31, ECU internal fault 0126
SPN 520251, FMI 31, ECU internal fault 0127
SPN 520293, FMI 31, Field test software expired
SPN 520294, FMI 0, Rail over pressure monitoring count exceeded
SPN 520294, FMI 16, Rail over pressure monitoring time exceeded
PN 520297, FMI 31, ECU internal fault 0132
PN 520298, FMI 31, ECU internal fault 0133
SPN 521000, FMI 2, DEF pump temperature signal duty cycle in invalid range
SPN 521000, FMI 8, DEF pump temperature signal duty cycle in failure range
SPN 521001, FMI 3, DEF heater main relay circuit short circuit to HIGH SOURCE
SPN 521001, FMI 31, DEF heater main relay ECU power stage over temperature
SPN 521001, FMI 4, DEF heater main relay open circuit
SPN 521002, FMI 3, DEF pump direction valve high side short circuit to HIGH SOURCE
SPN 521002, FMI 31, DEF pump direction valve high side control powerstage over temperature
SPN 521002, FMI 4, DEF pump direction valve high side short circuit to GROUND
SPN 521002, FMI 5, DEF pump direction valve high side current below normal or open circuit
SPN 521003, FMI 3, DEF heater main relay control circuit short circuit to HIGH SOURCE
SPN 521003, FMI 4, DEF heater main relay control circuit short circuit to GROUND
SPN 521004, FMI 11, Downstream NOx sensor missing
SPN 521004, FMI 12, Downstream NOx sensor stability time exceeded
SPN 521004, FMI 14, Downstream NOx sensor supply voltage out of range
SPN 521004, FMI 2, Downstream NOx sensor value implausible
SPN 521005, FMI 11, Upstream NOx sensor missing
SPN 521005, FMI 12, Upstream NOx sensor stability time exceeded
SPN 521005, FMI 14, Upstream NOx sensor supply voltage out of range
SPN 521005, FMI 2, Upstream NOx sensor value implausible
SPN 521006, FMI 12, Nox conversion implausible
SPN 521007, FMI 10, SCR system ERROR: DEF backflow line blocked or implausible
SPN 521007, FMI 14, SCR system ERROR: DEF pressure line or dosing valve blocked
SPN 521007, FMI 31, SCR system ERROR: DEF pressure stabilisation failure
SPN 521008, FMI 0, SCR system ERROR: DEF pressure reduction failure
SPN 521008, FMI 1, SCR system ERROR: DEF pressure build up failure
SPN 521010, FMI 14, DEF tank heater coolant valve solenoid high side short circuit to HIGH SOURCE
SPN 521010, FMI 3, DEF tank heater coolant valve solenoid low side short circuit to HIGH SOURCE
SPN 521010, FMI 31, DEF tank heater coolant valve low side power stage over temperature
SPN 521010, FMI 4, DEF tank heater coolant valve solenoid high side short circuit to GROUND
SPN 521010, FMI 5, DEF tank heater coolant valve solenoid low side open circuit
SPN 521010, FMI 6, DEF tank heater coolant valve solenoid low side short circuit to GROUND
SPN 626, FMI 3, Grid heater relay voltage above normal or short to HIGH SOURCE
SPN 626, FMI 5, Grid heater relay current below normal or open circuit
SPN 626, FMI 6, Grid heater relay current above normal or short to GROUND
SPN 639, FMI 19, Bus off Vehicle CAN (250k)
SPN 651, FMI 13, Solenoid valve 1, Calibration value missing
SPN 651, FMI 14, Solenoid valve 1, Short circuit
SPN 651, FMI 5, Solenoid valve 1, Current below normal: Open circuit
SPN 651, FMI 6, Solenoid valve 1, Current above normal: Short circuit between cables
SPN 652, FMI 13, Solenoid valve 2, Calibration value missing
SPN 652, FMI 14, Solenoid valve 2, Short circuit
SPN 652, FMI 5, Solenoid valve 2, Current below normal: Open circuit
SPN 652, FMI 6, Solenoid valve 2, Current above normal: Short circuit between cables
SPN 653, FMI 13, Solenoid valve 3, Calibration value missing
SPN 653, FMI 14, Solenoid valve 3, Short circuit
SPN 653, FMI 5, Solenoid valve 3, Current below normal: Open circuit
SPN 653, FMI 6, Solenoid valve 3, Current above normal: Short circuit between cables
SPN 654, FMI 13, Solenoid valve 4, Calibration value missing
SPN 654, FMI 14, Solenoid valve 4, Short circuit
SPN 654, FMI 5, Solenoid valve 4, Current below normal: Open circuit
SPN 654, FMI 6, Solenoid valve 4, Current above normal: Short circuit between cables
SPN 655, FMI 13, Solenoid valve 5, Calibration value missing
SPN 655, FMI 14, Solenoid valve 5, Short circuit
SPN 655, FMI 5, Solenoid valve 5, Current below normal: Open circuit
SPN 655, FMI 6, Solenoid valve 5, Current above normal: Short circuit between cables
SPN 656, FMI 13, Solenoid valve 6, Calibration value missing
SPN 656, FMI 14, Solenoid valve 6, Short circuit
SPN 656, FMI 5, Solenoid valve 6, Current below normal: Open circuit
SPN 656, FMI 6, Solenoid valve 6, Current above normal: Short circuit between cables
SPN 657, FMI 14, Solenoid valve 7, Short circuit
SPN 657, FMI 5, Solenoid valve 7, Current below normal: Open circuit
SPN 657, FMI 6, Solenoid valve 7, Current above normal: Short circuit between cables
SPN 677, FMI 3, Start relay low side voltage above normal or short to HIGH SOURCE
SPN 677, FMI 5, Start relay current below normal or open circuit
SPN 677, FMI 6, Start relay low side current above normal
SPN 723, FMI 2, Number and/or position of the camshaft pulses implausible – disturbed signal
SPN 723, FMI 31, Cam speed sensor signal missing
SPN 723, FMI 8, Signal deviation between crankshaft and camshaft too large
SPN 729, FMI 3, Grid heater voltage above normal
SPN 729, FMI 4, Grid heater voltage below normal
SPN 84, FMI 3, Vechicle speed sensor short to HIGH SOURCE
SPN 84, FMI 4, Vechicle speed sensor short to GROUND
SPN 91, FMI 3, Throttle 1 sensor above normal or open circuit (IDLE)
SPN 91, FMI 4, Throttle 1 sensor below normal (IDLE)
SPN 94, FMI 16, Fuel main filter inlet pressure ABOVE NORMAL
SPN 94, FMI 18, Fuel main filter inlet pressure BELOW NORMAL
SPN 94, FMI 3, Fuel main filter inlet pressure sensor voltage above normal or open circuit.
SPN 94, FMI 31, Fuel main filter inlet pressure ALARM, out of safe operating range
SPN 94, FMI 4, Fuel main filter inlet pressure sensor voltage below normal.
SPN 974, FMI 3, Throttle 3 sensor above normal or open circuit (IDLE)
SPN 974, FMI 4, Throttle 3 sensor below normal (IDLE)
SPN 977, FMI 3, Fan control output short circuit to HIGH SOURCE
SPN 977, FMI 5, Fan control output open circuit
SPN 977, FMI 6, Fan control output current above normal
SPN 97, FMI 31, Water in fuel
Sensor details
Engine sensors overview
Oil pressure sensor
Coolant temperature sensor
Fuel pressure sensor
Fuel temperature sensor
Crankshaft speed sensor
Camshaft speed sensor
NOx sensor
Exhaust gas temperature sensor
Boost pressure sensor
Intake air temperature sensor
Rail pressure sensor
Coolant pressure sensor
Water in Fuel sensor
Fuel supply pump inlet pressure sensor
Engine EGR mixer intake temperature sensor
Aftertreatment
SCR system overview
Supply module
Dosing module
EGR actuator ( Exhaust gas recirculation)
Engine electric system
Grid heater solenoid
Start Relay
4-cyl engine injector harness
6-cyl engine injector harness
7-cyl engine injector harness
Engine ECU power supply
ECU Replacement Procedure

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