ECM
EC-1227
< ECU DIAGNOSIS >[K9K]
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P O Test Condition: Engine at idle
*: Just at start time. After 1 minute, EGR volume control valve will close and flow start increase.
FUEL CIRCUIT SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Order Function Parameter Display and notes Trouble diagnosis
1 Intake air pressureATOMOS PRESS700 mbar < ATOMOS PRESS
< 1100 mbar
Indicates the ambient baromet-
ric pressure in mbar. The sen-
sor is incorporated in the ECM.If not consistent, check ATOMOS
PRESS = INLET PRESS = local
ambient barometric pressure, with
the engine stopped and ignition
switch ON.
INLET PRESSIndicates the pressure in the
turbocharger in mbar.
INLET PRESS = local ambient
barometric pressure.
2 Intake airATMOS PRES SEN V1.6V < ATMOS PRES SEN V <
4.9VIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P2226 BARO SENSOR.
AIR TEMP SEN V0.1V < AIR TEMP SEN V <
4.8VIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
3air flowAIR FLOW200* < AIR FLOW < 350 mg/st
Mass air flow measured the
ECM.
In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0100 MAF SENSOR. AIR FLOW DEMANDThe flow must follow the re-
quest and must be near to it.
AIR FLOW SUPLY VIndicates the voltage of the
mass air flow sensor.
4 Inlet air temperature INLET AIR TEMIndicates the intake air temper-
ature in °C. This information is
provided by the IAT sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
5 Engine speed ENGINE SPEEDAbout 800 rpm
Indicates the engine's rotation-
al speed in rpm.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0335 CKP SENSOR.
Order Function Parameter Display and notes Trouble diagnosis
1Fuel pump tempera-
tureFUEL TEMPClose to ambient temperature
(cold engine).
Indicates the fuel pump tempera-
ture in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0180 FTT SENSOR.
FUEL TEMP SEN V 0.1V < FUEL TEMP SEN V <
4.9V
2Engine coolant tem-
peratureWATER TEMPClose to ambient temperature
(cold engine).
Indicates the engine coolant tem-
perature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ETC SENSOR.
COOLAN TMP SEN V0.13V < COOLAN TMP SEN V <
4.90V
3 Engine speed ENGINE SPEEDIndicates the engine's rotational
speed in rpm.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0335 CKP SENSOR.
4 Fuel rail pressureRAIL PRESSUREIndicates the theoretical pressure
value for optimum engine opera-
tion.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0190 and P1089 FRP SENSOR. RAIL PRES SET RAIL PRES SET = 0 bar
RAIL PRES S V 0.4V < RAIL PRES S V < 4.7V
EC-1228
< ECU DIAGNOSIS >[K9K]
ECM
Test Condition: Engine at Idle
5 Fuel flowFUEL FLOW REG INACTIVE In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0001 FUEL PUMP. FUEL FLOW S/V CU Close to 0A
F/FLOW CORR CYL1
Cylinder no. 1 - 4 fuel flow correc-
tion = 0NONE F/FLOW CORR CYL2
F/FLOW CORR CYL3
F/FLOW CORR CYL4
6 Fuel pressure FUEL PRESS REG INACTIVEIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0090 FUEL PUMP.
7Intake air tempera-
tureAIR TEMP SEN V 0.1V < AIR TEMP SEN V < 4.8VIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
8 Fuel injectorsINJCTR CONDNSR V49V < INJCTR CONDNSR V <
96V
In the event of a malfunction, per-
form the trouble diagnosis for
P0201, P0202, P0203 and P0204
FUEL INJECTOR. COMM INJCTR CYL1
INACTIVE COMM INJCTR CYL2
COMM INJCTR CYL3
COMM INJCTR CYL4 Order Function Parameter Display and notes Trouble diagnosis
Order Function Parameter Display and notes Trouble diagnosis
1Fuel pump tempera-
tureFUEL TEMPIndicates the fuel pump tempera-
ture in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0180 FTT SENSOR. FUEL TEMP SEN V 0.1V < FUEL TEMP SEN V <
4.9V
2Engine coolant tem-
peratureWATER TEMPIndicates the engine coolant tem-
perature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ETC SENSOR.
COOLAN TMP SEN V0.1V < COOLAN TMP SEN V <
4.9V
3 Engine speed ENGINE SPEEDAbout 800 rpm
Indicates the engine's rotational
speed in rpm.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0335 CKP SENSOR.
4 Fuel rail pressureRAIL PRESSUREIndicates the theoretical pressure
value for optimum engine opera-
tion.
200 bar < RAIL PRESSURE <
250 barIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0190 and P1089 FRP SENSOR.
RAIL PRES SETThe pressure must follow the set-
point and must be near to it.
RAIL PRES S V 0.4V < RAIL PRES S V < 4.7V
5 Fuel flowFUEL FLOW REG ACTIVE NONE.
FUEL FLOW S/V CU Maximum 2A NONE.
F/FLOW CORR CYL1
F/FLOW CORR CYL1-4 = 0.3 -
1.9In the event of a malfunction, per-
form the trouble diagnosis for
TEST6: MAJJOR LEAK IIN FUEL
INJECTORS/FUEL INJECTORS
OPEN. F/FLOW CORR CYL2
F/FLOW CORR CYL3
F/FLOW CORR CYL4
6 Fuel pressure FUEL PRESS REG ACTIVEIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0090 FUEL PUMP.
ECM
EC-1229
< ECU DIAGNOSIS >[K9K]
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DRIVER PARAMETERS SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
7Intake air tempera-
tureAIR TEMP SEN V 0.1V < AIR TEMP SEN V < 4.8VIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
8 Fuel injectorsINJCTR CONDNSR V49V < INJCTR CONDNSR V <
96V
In the event of a malfunction, per-
form the trouble diagnosis for
P0201, P0202, P0203 and P0204
FUEL INJECTOR. COMM INJCTR CYL1
ACTIVE COMM INJCTR CYL2
COMM INJCTR CYL3
COMM INJCTR CYL4 Order Function Parameter Display and notes Trouble diagnosis
Order Function Parameter Display and notes Trouble diagnosis
1 Power supply C/U+AFTR IGN PRESENT NONE
2 Clutch pedal ACC PEDAL DETECT NOIn the event of a malfunction, per-
form the trouble diagnosis for
ASCD CLUTCH SWITCH.
3Malfunction indica-
torSEVERITY 1 LIGHT INACTIVE
Also check that there are no mal-
function ECM.
SEVERITY 2 LIGHT INACTIVE
4 Accelerator pedalACCEL/PDL POS0% = ACCEL/PDL POS < 100%
Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
In the event of a malfunction, per-
form the trouble diagnosis for APP
SENSOR (DTC P0225, and
P2120) and SENSOR POWER
SUPPLY (DTC P0641 and P0651). PEDAL POS TRACK1 Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
PL PTNMR T1 V0.4V < PL PTNMR T1V < 4.64V
Indicates the percentage of the
accelerator pedal position be-
tween no load (0V) and full load
(5V) position.
PEDAL POS TRACK2 Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
PL PTNMR T2 V0.27V < PL PTNMR T2V < 3.75V
Indicates the percentage of the
accelerator pedal position be-
tween no load (0V) and full load
(5V) position.
Order Function Parameter Display and notes Trouble diagnosis
1 Power supply C/U+AFTR IGN PRESENT NONE
2 Clutch pedal ACC PEDAL DETECT NOIn the event of a malfunction, per-
form the trouble diagnosis for
ASCD CLUTCH SWITCH.
3 Malfunction indicatorSEVERITY 1 LIGHT INACTIVE
Also check that there are no mal-
function ECM.
SEVERITY 2 LIGHT INACTIVE
EC-1230
< ECU DIAGNOSIS >[K9K]
ECM
PRE-HEATING/IGNITION SUBFUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
SUBFUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
4 Accelerator pedalACCEL/PDL POS0% = ACCEL/PDL POS < 100%
Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
In the event of a malfunction, per-
form the trouble diagnosis for APP
SENSOR (DTC P0225, and
P2120) and SENSOR POWER
SUPPLY (DTC P0641 and
P0651). PEDAL POS TRACK1 Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
PL PTNMR T1 V0.4V < PL PTNMR T1V < 4.64V
Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
PEDAL POS TRACK2 Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion.
PL PTNMR T2 V0.27V < PL PTNMR T2V < 3.75V
Indicates the percentage of the
accelerator pedal position be-
tween no load and full load posi-
tion. Order Function Parameter Display and notes Trouble diagnosis
Order Function Parameter Display and notes Trouble diagnosis
1 Preheating PREHEAT RLY CONT INACTIVE NONE
2Engine coolant tem-
peratureWATER TEMPClose to ambient temperature
(cold engine).
Indicates the engine coolant
temperature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ETC SENSOR.
3 Battery voltage BATTERY VOLTAGE12 V < BATTERY VOLTAGE <
14.4VIn the event of a malfunction, per-
form the trouble diagnosis for
CHARGING SYSTEM.
4 Intake air temperature INLET AIR TEMIndicates the intake air tempera-
ture in °C. This information is
provided by the IAT sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
Order Function Parameter Display and notes Trouble diagnosis
1 Preheating PREHEAT RLY CONT INACTIVE NONE
2Engine coolant tem-
peratureWATER TEMPIndicates the engine coolant
temperature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ETC SENSOR.
3 Battery voltage BATTERY VOLTAGE13 V < BATTERY VOLTAGE <
16VIn the event of a malfunction, per-
form the trouble diagnosis for
CHARGING SYSTEM.
4Intake air tempera-
tureINLET AIR TEMIndicates the intake air tempera-
ture in °C. This information is
provided by the IAT sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
ECM
EC-1231
< ECU DIAGNOSIS >[K9K]
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Order Function Parameter Display and notes Trouble diagnosis
1 Fuel pressure FUEL PRESS REG INACTIVEIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0090 FUEL PUMP.
2Fuel pump tempera-
tureFUEL TEMPClose to ambient temperature
(cold engine).
Indicates the intake air tempera-
ture in °C. This information is pro-
vided by the fuel pump
temperature sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0180 FTT SENSOR.
3Engine coolant tem-
peratureWATER TEMPClose to ambient temperature
(cold engine).
Indicates the engine coolant
temperature in °C. In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
4 Inlet air temperature INLET AIR TEMIndicates the intake air tempera-
ture in °C. This information is pro-
vided by the IAT sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
5 Intake air pressure ATOMOS PRESS700 mbar < ATOMOS PRESS <
1100 mbar
Indicates the ambient barometric
pressure in mbar. The sensor is
incorporated in the ECM.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P2226 BARO SENSOR.
6 Fuel rail pressureRAIL PRESSUREIndicates the theoretical pressure
value for optimum engine opera-
tion.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0190 and P1089 FRP SENSOR.
RAIL PRES SET RAIL PRES SET = 0 bar.
7 Air flow AIR FLOW0 mg/st
Air flow estimated by the ECM.NONE
8 EGR EGR POS SE VO540 mV < EGR POS SE VO <
4490 mVIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0409 EGR VOLUME CONTROL
VALVE CONTROL POSITION
SENSOR.
9 Intake air pressure INLET PRESS900 mbar < INLET PRESS <
1100 mbar
Indicates the pressure in the tur-
bocharger in mbar.NONE
10Accelerator pedal
positionACCEL/PDL POS0% = ACCEL/PDL POS < 100%
Indicates the percentage of the
pedal position between no load
and full load positionIn the event of a malfunction, per-
form the trouble diagnosis for APP
SENSOR (DTC P0225, and P2120)
and SENSOR POWER SUPPLY
(DTC P0641 and P0651).
Order Function Parameter Display and notes Trouble diagnosis
1 Fuel pressure FUEL PRESS REG INACTIVE NONE
2Fuel pump tempera-
tureFUEL TEMPIndicates the intake air tempera-
ture in °C. This information is pro-
vided by the fuel pump
temperature sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0180 FTT SENSOR.
3Engine coolant tem-
peratureWATER TEMPIndicates the engine coolant
temperature in °C. In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
4 Inlet air temperature INLET AIR TEMIndicates the intake air tempera-
ture in °C. This information is pro-
vided by the IAT sensor.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0110 IAT SENSOR.
EC-1232
< ECU DIAGNOSIS >[K9K]
ECM
*: Just at start time. After 1 minute, EGR volume control valve will close and flow start increase.
ENGINE COOLING SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
COLD LOOP SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
5 Intake air pressure ATOMOS PRESS700 mbar < ATOMOS PRESS <
1100 mbar
Indicates the ambient barometric
pressure in mbar. The sensor is
incorporated in the ECM.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P2226 BARO SENSOR.
6 Fuel rail pressureRAIL PRESSUREIndicates the theoretical pressure
value for optimum engine opera-
tion.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0190 and P1089 FRP SENSOR.
RAIL PRES SET RAIL PRES SET = 0 bar.
7Air flow AIR FLOW200* mg/st < AIR FLOW < 350
mg/st
Air flow measured by the ECM.NONE
8 EGR EGR POS SE VO540 mV < EGR POS SE VO <
4490 mVIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0409 EGR VOLUME CONTROL
VALVE CONTROL POSITION
SENSOR.
9 Intake air pressure INLET PRESS - NONE
10Accelerator pedal
positionACCEL/PDL POS0% = ACCEL/PDL POS < 100%
Indicates the percentage of the
pedal position between no load
and full load positionIn the event of a malfunction, per-
form the trouble diagnosis for APP
SENSOR (DTC P0225, and P2120)
and SENSOR POWER SUPPLY
(DTC P0641 and P0651). Order Function Parameter Display and notes Trouble diagnosis
Order Function Parameter Display and notes Trouble diagnosis
1 Fan speed request*FAN ASSEMBLY INACTIVE
NONE. FAN UNIT LOW -
FAN UNIT HIGH -
2 Engine coolant tem-
peratureWATER TEMPClose to ambient temperature
(cold engine).
Indicates the engine coolant tem-
perature in °C. In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
COOLAN TMP SEN V0.1V < COOLAN TMP SEN V <
4.9V
Order Function Parameter Display and notes Trouble diagnosis
1 Fan speed request*FAN ASSEMBLY INACTIVE
NONE. FAN UNIT LOW -
FAN UNIT HIGH -
2 Engine coolant tem-
peratureWATER TEMPIndicates the engine coolant
temperature in °C. In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
COOLAN TMP SEN V0.1V < COOLAN TMP SEN V <
4.9V
ECM
EC-1233
< ECU DIAGNOSIS >[K9K]
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P O Test Condition: Engine at Idle
Order Function Parameter Display and notes Trouble diagnosis
1 Fan speed request*FAN ASSEMBLY INACTIVE
NONE. FAN UNIT LOW -
FAN UNIT HIGH -
2Compressor
engagement requestDMND LNK COMPThe ECM requests the IPDM E/R
(via CAN communication line) to
start the compressor
ACTIVE: The CAN communica-
tion should not be suspected on
the Automatic Transmission,
IPDM E/R or Intelligent Key unit
or BCM system.
The Intelligent Key unit or BCM
should request the ECM to be
engaged.
The refrigerant pressure sensor
should not be suspected. Satis-
factory engine operating condi-
tions (engine coolant
temperature, engine load etc.).
INACTIVE: One of the above
conditions has not been met.NONE
3Fast idle speed re-
questACCEL IDL RQ INACTIVE NONE
4 Refrigerant pressureRFRGERNT PRSSIndicates the value in Bar for the
refrigerant fluid in the system.
Default value: 0 Bar.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0530 REFRUGERANT PRES-
SURE SENSOR.
RFRGERNT FLUID V 0.1V < RFRGERNT FLUID V <
4.8V
5Engine coolant tem-
peratureWATER TEMPClose to ambient temperature
(cold engine).
Indicates the engine coolant tem-
perature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
6 Vehicle speed VEHICLE SPEED0 km/h (mph)
Indicates the vehicle speed in km/h
(mph). This parameter is transmit-
ted by the “ABS actuator and elec-
tric unit (control unit)” or
combination meter via CAN com-
munication line.Perform the trouble diagnosis for
CAN communication line. Perform
the trouble diagnosis for “ABS ac-
tuator and electric unit (control
unit)” or combination meter.
Order Function Parameter Display and notes Trouble diagnosis
1 Fan speed request*FAN ASSEMBLY INACTIVE
NONE. FAN UNIT LOW -
FAN UNIT HIGH -
EC-1234
< ECU DIAGNOSIS >[K9K]
ECM
CRUISE CONTROL/SPEED LIMITER SUB FUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
Test Condition: Engine at Idle
PROTECTION SUBFUNCTION
Test Condition: Engine Stopped and Ignition Switch ON
2Compressor
engagement re-
questDMND LNK COMPThe ECM requests the IPDM E/R
(via CAN communication line) to
start the compressor
ACTIVE: The CAN communica-
tion should not be suspected on
the Automatic Transmission,
IPDM E/R or Intelligent Key unit
or BCM system.
The Intelligent Key unit or BCM
should request the ECM to be en-
gaged.
The refrigerant pressure sensor
should not be suspected. Satis-
factory engine operating condi-
tions (engine coolant
temperature, engine load etc.).
INACTIVE: One of the above
conditions has not been met.NONE
3Fast idle speed re-
questACCEL IDL RQINACTIVE
or
ACTIVE
(Air conditioning is operate)NONE
4Refrigerant pres-
sureRFRGERNT PRSSIndicates the value in Bar for the re-
frigerant fluid in the system.
Default value: 0 Bar.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0530 REFRUGERANT PRES-
SURE SENSOR.
RFRGERNT FLUID V 0.1V < RFRGERNT FLUID V< 4.8V
5Engine coolant
temperatureWATER TEMPIndicates the engine coolant tem-
perature in °C.In the event of a malfunction, per-
form the trouble diagnosis for DTC
P0115 ECT SENSOR.
6 Vehicle speed VEHICLE SPEED0 km/h (mph)
Indicates the vehicle speed in km/h
(mph). This parameter is transmit-
ted by the “ABS actuator and elec-
tric unit (control unit)” or
combination meter via CAN com-
munication line.Perform the trouble diagnosis for
CAN communication line. Perform
the trouble diagnosis for “ABS actu-
ator and electric unit (control unit)”
or combination meter. Order Function Parameter Display and notes Trouble diagnosis
Order Function Parameter Display and notes Trouble diagnosis
1Cruise control/speed
limiterCRS CN/S LMTR INACTIVEIn the event of a malfunction, per-
form the trouble diagnosis for DTC
P0575 ASCD STEERING SWITCH.
Order Function Parameter Display and notes Trouble diagnosis
1Cruise control/speed
limiterCRS CN/S LMTR INACTIVEIn the event of a malfunction, perform
the trouble diagnosis for DTC P0575
ASCD STEERING SWITCH.