engine NISSAN TIIDA 2007 Service Repair Manual

ECM
EC-1233
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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
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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.

ECM
EC-1235
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EC
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P O Test Condition: Engine at Idle
Order Function Parameter Display and notes Trouble diagnosis
1 Immobilizer ENGINE IMMOBIIndicates the status of the immo-
bilizer system.
 INACTIVE: The ECM has rec-
ognized the immobilizer code
transmitted by the Intelligent
Key unit or BCM.
 ACTIVE: The ECM does not
recognize the immobilizer code
transmitted by the Intelligent
Key unit or BCM.If ACTIVE, perform the trouble diag-
nosis for NATS.
2 Battery voltage BATTERY VOLTAGE12V < BATTERY VOLTAGE <
14.4VIn the event of a malfunction, perform
the trouble diagnosis for CHARGING
SYSTEM.
3 Code programmed CODE PROGRAMStates whether the immobilizer
code has been programmed by
the computer or not.
 YES: Code programmed
 NO: Code not programmed by
the ECM.If NO, replace ECM.
Order Function Parameter Display and notes Trouble diagnosis
1 Immobilizer ENGINE IMMOBIIndicates the status of the immobiliz-
er system.
 INACTIVE: The ECM has recog-
nized the immobilizer code trans-
mitted by the Intelligent Key unit or
BCM.
 ACTIVE: The ECM does not recog-
nize the immobilizer code transmit-
ted by the Intelligent Key unit or
BCM.If ACTIVE, perform the trouble di-
agnosis for NATS.
2 Battery voltage BATTERY VOLTAGE 13V < BATTERY VOLTAGE < 16VIn the event of a malfunction, per-
form the trouble diagnosis for
CHARGING SYSTEM.
3 Code programmed CODE PROGRAMStates whether the immobilizer code
has been programmed by the com-
puter or not.
 YES: Code programmed
 NO: Code not programmed by the
ECM.If NO, replace ECM.

EC-1236
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ECM
Wiring Diagram - ENGINE CONTROL SYSTEM -
INFOID:0000000001162696
ALBWA0168GB

EC-1254
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ECM
*: This number is prescribed by ISO 15031-6.P2502 ALT CHARGE INFO 1 – –EC-1205
P2610 ENGINE PROTECTION 1 – –EC-1206
DTC*Items
(CONSULT-III screen item) TripMI lighting up
Reference page
Ye l l o w R e d

ENGINE CONTROL SYSTEM SYMPTOMS
EC-1255
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SYMPTOM DIAGNOSIS
ENGINE CONTROL SYSTEM SYMPTOMS
Symptom TableINFOID:0000000001162698
NOTE:
Only consult this customer complaint after a complete check using the CONSULT-III.
Symptom Trouble diagnosis Reference page
No communication with the ECM CHART 1EC-1256, "
Diag-
nosis Procedure"
Starting malfunctionEngine does not start or starts with difficulty CHART 2EC-1257, "
Diag-
nosis Procedure"
Starting difficult with cold engine CHART 3EC-1259, "Diag-
nosis Procedure"
Impossible to shut off engine CHART 4EC-1261, "Diag-
nosis Procedure"
Idle speed malfunctionEngine Idle speed too high CHART 5EC-1262, "
Diag-
nosis Procedure"
Engine Idle speed too low or unstable CHART 6EC-1263, "Diag-
nosis Procedure"
Behavior while drivingEngine stalling CHART 7EC-1265, "
Diag-
nosis Procedure"
No or very little acceleration, increase in engine speed CHART 8EC-1267, "Diag-
nosis Procedure"
Engine bucking CHART 9EC-1270, "Diag-
nosis Procedure"
Erratic acceleration CHART 10EC-1272, "Diag-
nosis Procedure"
No engine braking CHART 11EC-1274, "Diag-
nosis Procedure"
Loss of power CHART 12EC-1275, "Diag-
nosis Procedure"
Too much power CHART 13EC-1278, "Diag-
nosis Procedure"
Overspeed at idle speed or on releasing brake CHART 14EC-1280, "Diag-
nosis Procedure"
Excessive consumption CHART 15EC-1281, "Diag-
nosis Procedure"
Engine knock CHART 16EC-1283, "Diag-
nosis Procedure"
Engine overheating CHART 17EC-1285, "Diag-
nosis Procedure"
Noise, odors or smokeEngine smokes when started CHART 18EC-1286, "
Diag-
nosis Procedure"
Engine emits blue smoke CHART 19EC-1287, "Diag-
nosis Procedure"
Engine smokes when revved CHART 20EC-1289, "Diag-
nosis Procedure"
Engine emits white smoke (especially when starting) CHART 21EC-1290, "Diag-
nosis Procedure"
Emission control not satisfactory CHART 22EC-1291, "Diag-
nosis Procedure"

ENGINE DOES NOT START OR STARTS WITH DIFFICULTY
EC-1257
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ENGINE DOES NOT START OR STARTS WITH DIFFICULTY
DescriptionINFOID:0000000001162701
CHART 2: ENGINE DOES NOT START OR STARTS WITH DIFFICULTY
Diagnosis ProcedureINFOID:0000000001162702
1.CHECK FUEL
Check that the fuel reservoir is correctly filled and with the right fuel.
>> GO TO 2.
2.CHECK BATTERY
Check the battery. Refer to PG-6, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace battery. Refer to PG-6, "
Removal and Installation"
3.CHECK STARTER MOTOR
Check the starter and starter motor relay. Refer to STR-35, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace starter motor or starter relay. Refer to STR-35, "
Removal and Installation"
4.CHECK ECM RELAY
Check the ECM relay. Refer to EC-1184, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace IPDM E/R. Refer to PCS-30, "
Removal and Installation of IPDM E/R".
5.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 6.
NO >> Repair or replace harness or connector.
6.CHECK WIRING HARNESS
Visually check the condition of the engine wiring harness.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair or replace harness or connector.
7.CHECK CAMSHAFT POSITION SENSOR
Check the camshaft position sensor. Refer to EC-1152, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace.
8.CHECK CAMSHAFT
Check the camshaft. Refer to EM-300, "
Inspection".
Is the inspection result normal?
YES >> GO TO 9.
NO >> Replace camshaft. Refer to EM-298, "
Removal and Installation".
9.CHECK AIR INTAKE SYSTEM
Check air intake system. Refer to EM-269, "
Removal and Installation".

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
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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)".

EC-1260
< SYMPTOM DIAGNOSIS >[K9K]
STARTING DIFFICULT WITH COLD ENGINE
>> GO TO 9.
9.CHECK COMPRESSION PRESSURE
Check the compression pressure. Refer to EM-267, "
Inspection".
>>INSPECTION END