2007 NISSAN TIIDA fuel pressure

ECM
EC-1231
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P O Test Condition: Engine at Idle
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-1253
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P0016 COHERENCE CMSFT/SN 3 – –E C - 111 3
P0045 TURBO ACT CIRC 3 –×E C - 111 6
P0069 PRESSURE COHERENCE 3 –×E C - 111 8
P0087 LOW FUEL PRESS 3 – –EC-1120
P0090 FUEL SYSTEM 3 –×EC-1122
P0100 AIR FLOW SEN CIRC 3 – –EC-1124
P0101 AIR FLOW SEN CIRC 3 – –EC-1127
P0110 IN-AIR TMP SEN CIR 3 – –EC-1130
P0115 WATER TMP SEN 1 or 3 – –EC-1132
P0120 TP SEN CIRC 3 – –EC-1134
P0180 FUEL TEMP SEN CIRC 1 or 3 – –EC-1136
P0190 RAIL/PRESS SEN CIR 3 –×EC-1138
P0200 INJECTOR CTRL CIRC 3 –×EC-1140
P0201 CYL 1 INJ CTRL CIR 3××EC-1142
P0202 CYL 2 INJ CTRL CIR 3××EC-1142
P0203 CYL 3 INJ CTRL CIR 3××EC-1142
P0204 CYL 4 INJ CTRL CIR 3××EC-1142
P0225 PDL POTEN CIRC TK1 3 –×EC-1144
P0235 IN-MANI PRES CIRC 3 –×EC-1147
P0335 ENGNE SPD SEN CIRC 1 –× or –EC-1149
P0340 CAMSHAFT SEN CIRC 3 – –EC-1151
P0380 PRHT UNIT CTRL CIR 3 – –EC-1154
P0381 PRHT DGNSTC CNECT 3 – –EC-1156
P0409 EGR POSITN OFFSET 3×–EC-1158
P0487 EGR COMMAND CIRC 3 – –EC-1160
P0488 EGR/V POSITN CTRL 3 –× or –EC-1162
P0500 VEHL/SPD INF CIRC 1 – –EC-1165
P0530 REFRIGERNT SEN CIR 1 – –EC-1166
P0560 CPU SUPPLY VOLTAGE 1 – –EC-1168
P0571 BRAKE SWITCH CIRC 1 – –EC-1171
P0575 SPD LIM/CRS CTRL 1 – –EC-1174
P0606 COMPUTER(C/U) 1 or 3× or –×EC-1178
P0641 SEN SUPPLY N-1 VOL 3 –×EC-1180
P0651 SEN SUPPLY N-2 VOL 3 –×EC-1182
P0685 MAIN RLY CTRL CIRC 3 –×EC-1184
P1089 RAIL PRESS REGULTN 3 –× or –EC-1186
P2101 ETC FUNCTION/CIRC 3 – –EC-1188
P2120 PDL POTEN CIRC TK2 3 –×EC-1191
P2226 ATMOS PRES SE CIR 3 – –EC-1194
P2263 T/C SYSTEM 3 –×EC-1195
P2299 BRK/ACCEL PDL PSTN 3 –×EC-1198
P2413 EGR SYSTEM 3××EC-1202
DTC*Items
(CONSULT-III screen item) TripMI lighting up
Reference page
Ye l l o w R e d

EC-1258
< SYMPTOM DIAGNOSIS >[K9K]
ENGINE DOES NOT START OR STARTS WITH DIFFICULTY
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair or replace air intake system. Refer to EM-269, "
Removal and Installation"
10.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Check electric throttle control actuator. Refer to EC-1134, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 11.
NO >> Repair or replace.
11 .CHECK LOW PRESSURE CIRCUIT
Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to EC-1043, "
BASIC INSPECTION : Special
Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)".
>> GO TO 12.
12.CHECK INTERNAL FUEL TRANSFER PUMP
Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to EC-1044, "
BASIC INSPECTION
: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)".
>> GO TO 13.
13.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to EC-1044,
"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]".
>> GO TO 14.
14.CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)
Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to EC-
1045, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]".
>> GO TO 15.
15.CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT
Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to EC-1048, "
BASIC
INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)".
>> GO TO 16.
16.CHECK MAJOR LEAK IN FUEL INJECTORS/FUEL INJECTORS OPEN
Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to EC-1052,
"BASIC INSPECTION : Special Repair Requirement (TEST 6: Major Leak in Fuel Injectors/Fuel Injectors
Open)".
>> GO TO 17.
17.CHECK INCORRECT FUEL INJECTION QUANTITY
Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to EC-1053, "
BASIC INSPECTION :
Special Repair Requirement (TEST 7: Incorrect Fuel Injection Quantity)".
>>INSPECTION END

STARTING DIFFICULT WITH COLD ENGINE
EC-1259
< SYMPTOM DIAGNOSIS >[K9K]
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STARTING DIFFICULT WITH COLD ENGINE
DescriptionINFOID:0000000001162703
CHART 3: STARTING DIFFICULT WITH COLD ENGINE
Diagnosis ProcedureINFOID:0000000001162704
1.CHECK ENGINE OIL LEVEL
Is the engine oil level correct?
Ye s o r N o
Yes >> GO TO 2.
No >> Top up the oil.
2.CHECK ENGINE OIL
Check the grade of engine oil. Refer to LU-26, "
Inspection".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace engine oil. Refer to LU-27, "
Refilling"
3.CHECK BATTERY
Check the battery. Refer to PG-6, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace battery. Refer to PG-6, "
Removal and Installation"
4.CHECK STARTER MOTOR
Check the starter motor. Refer to STR-35, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace starter motor. Refer to STR-35, "
Removal and Installation"
5.CHECK COMPONENT PART
Check the following.
 Engine coolant temperature sensor. Refer to EC-1133, "
Component Inspection".
 Fuel pump temperature sensor. Refer to EC-1137, "
Component Inspection".
 Intake air temperature sensor. Refer to EC-1131, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace.
6.CHECK GLOW SYSTEM
Check the glow system. Refer to EC-1156, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace glow system. Refer to EM-279, "
Removal and Installation"
7.CHECK LOW PRESSURE CIRCUIT
Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to EC-1043, "
BASIC INSPECTION : Special
Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)".
>> GO TO 8.
8.CHECK INTERNAL FUEL TRANSFER PUMP
Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to EC-1044, "
BASIC INSPECTION
: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)".

ENGINE IDLE SPEED TOO LOW OR UNSTABLE
EC-1263
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ENGINE IDLE SPEED TOO LOW OR UNSTABLE
DescriptionINFOID:0000000001162709
CHART 6: ENGINE IDLE SPEED TOO LOW OR UNSTABLE
Diagnosis ProcedureINFOID:0000000001162710
1.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 2.
2.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT
Check ECM power supply and ground circuit. Refer to EC-1106, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
4.CHECK AIR INTAKE SYSTEM
Check air intake system. Refer to EM-269, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace air intake system. Refer to EM-269, "
Removal and Installation".
5.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR
Check electric throttle control actuator. Refer to EC-1134, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace.
6.CHECK MASS AIR FLOW SENSOR
Check mass air flow sensor. Refer to EC-1125, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace.
7.CHECK REFRIGERANT PRESSURE SENSOR
Check refrigerant pressure sensor. Refer to EC-1166, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace.
8.CHECK EGR SYSTEM
Check EGR system. Refer to EC-1202, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace.
9.CHECK CATALYTIC CONVERTER
Is the catalytic converter clogged or deteriorated?

EC-1264
< SYMPTOM DIAGNOSIS >[K9K]
ENGINE IDLE SPEED TOO LOW OR UNSTABLE
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair or replace.
10.CHECK LOW PRESSURE CIRCUIT
Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to EC-1043, "
BASIC INSPECTION : Special
Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)".
>> GO TO 11.
11 .CHECK INTERNAL FUEL TRANSFER PUMP
Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to EC-1044, "
BASIC INSPECTION
: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)".
>> GO TO 12.
12.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to EC-1044,
"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]".
>> GO TO 13.
13.CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)
Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to EC-
1045, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]".
>> GO TO 14.
14.CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT
Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to EC-1048, "
BASIC
INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)".
>> GO TO 15.
15.CHECK MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN
Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to EC-1052,
"BASIC INSPECTION : Special Repair Requirement (TEST 6: Major Leak in Fuel Injectors/Fuel Injectors
Open)".
>> GO TO 16.
16.CHECK INCORRECT FUEL INJECTION QUANTITY
Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to EC-1053, "
BASIC INSPECTION :
Special Repair Requirement (TEST 7: Incorrect Fuel Injection Quantity)".
>>INSPECTION END

EC-1266
< SYMPTOM DIAGNOSIS >[K9K]
ENGINE STALLING
Perform trouble diagnosis on the CAN communication line using CONSULT-III. Refer to LAN-33, "CAN Com-
munication Signal Chart".
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair or replace harness or connector.
10.CHECK LOW PRESSURE CIRCUIT
Perform the TEST 1: LOW PRESSURE CIRCUIT CHECK. Refer to EC-1043, "
BASIC INSPECTION : Special
Repair Requirement (TEST 1: Low Pressure Fuel Supply System Check)".
>> GO TO 11.
11 .CHECK INTERNAL FUEL TRANSFER PUMP
Perform the TEST 2: INTERNAL FUEL TRANSFER PUMP CHECK. Refer to EC-1044, "
BASIC INSPECTION
: Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump Check)".
>> GO TO 12.
12.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
Perform the TEST 3: HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE). Refer to EC-1044,
"BASIC INSPECTION : Special Repair Requirement [TEST 3: High Pressure Supply Pump (Pressure Control
Valve) Check]".
>> GO TO 13.
13.CHECK HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE)
Perform the TEST 4: HIGH PRESSURE SUPPLY PUMP (VOLUMETRIC CONTROL VALVE). Refer to EC-
1045, "BASIC INSPECTION : Special Repair Requirement [TEST 4: High Pressure Supply Pump (Volumetric
Control Valve) Check]".
>> GO TO 14.
14.CHECK RAIL HIGH PRESSURE CONTROL CIRCUIT
Perform the TEST 5: RAIL HIGH PRESSURE CONTROL CIRCUIT CHECK. Refer to EC-1048, "
BASIC
INSPECTION : Special Repair Requirement (TEST 5: Rail High Pressure Regulation Check)".
>> GO TO 15.
15.CHECK MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN
Perform the TEST 6: MAJOR LEAK IN FUEL INJECTOR/FUEL INJECTORS OPEN. Refer to EC-1052,
"BASIC INSPECTION : Special Repair Requirement (TEST 6: Major Leak in Fuel Injectors/Fuel Injectors
Open)".
>> GO TO 16.
16.CHECK INCORRECT FUEL INJECTION QUANTITY
Perform the TEST 7: INCORRECT FUEL INJECTION QUANTITY. Refer to EC-1053, "
BASIC INSPECTION :
Special Repair Requirement (TEST 7: Incorrect Fuel Injection Quantity)".
>>INSPECTION END