Engine Control NISSAN TIIDA 2007 Service Owners Manual

MULTIPORT FUEL INJECTION SYSTEM
EC-41
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Component Parts LocationINFOID:0000000001677952
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E

EC-42
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
MULTIPORT FUEL INJECTION SYSTEM
1. Mass air flow sensor
(with intake air temperature sensor)2. Engine coolant temperature sensor 3. Electric throttle control actuator
4. Camshaft position sensor (PHASE) 5. Ignition coil (with power transistor) 6. Fuel injector
7. EVAP canister purge volume control
solenoid valve
Vehicle front
PBIB2940E

ELECTRIC IGNITION SYSTEM
EC-47
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ELECTRIC IGNITION SYSTEM
System DiagramINFOID:0000000001161146
System DescriptionINFOID:0000000001161147
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
Firing order: 1 - 3 - 4 - 2
The ignition timing is controlled by the ECM to maintain the best air-fuel ratio for every running condition of the
engine. The ignition timing data is stored in the ECM.
The ECM receives information such as the injection pulse width and camshaft position sensor (PHASE) sig-
nal. Computing this information, ignition signals are transmitted to the power transistor.
During the following conditions, the ignition timing is revised by the ECM according to the other data stored in
the ECM.
 At starting
 During warm-up
At idle
 At low battery voltage
 During acceleration
The knock sensor retard system is designed only for emergencies. The basic ignition timing is programmed
within the anti-knocking zone, if recommended fuel is used under dry conditions. The retard system does not
JMBIA0174GB
Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Engine speed*
2
Piston position
Ignition timing
controlIgnition coil (with power transis-
tor) Camshaft position sensor (PHASE)
Mass air flow sensor Amount of intake air
Engine coolant temperature sensor Engine coolant temperature
Throttle position sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Battery
Battery voltage*
2
Knock sensor Engine knocking
Park/neutral position (PNP) switch Gear position
Combination meter*
1Vehicle speed

EC-48
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
ELECTRIC IGNITION SYSTEM
operate under normal driving conditions. If engine knocking occurs, the knock sensor monitors the condition.
The signal is transmitted to the ECM. The ECM retards the ignition timing to eliminate the knocking condition.
Component Parts LocationINFOID:0000000001677953
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E

ELECTRIC IGNITION SYSTEM
EC-49
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1. Mass air flow sensor
(with intake air temperature sensor)2. Engine coolant temperature sensor 3. Electric throttle control actuator
4. Camshaft position sensor (PHASE) 5. Ignition coil (with power transistor) 6. Fuel injector
7. EVAP canister purge volume control
solenoid valve
Vehicle front
PBIB2940E

EC-54
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
AIR CONDITIONING CUT CONTROL
AIR CONDITIONING CUT CONTROL
System DiagramINFOID:0000000001161150
System DescriptionINFOID:0000000001161151
INPUT/OUTPUT SIGNAL CHART
*1: This signal is sent to the ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and battery voltage.
SYSTEM DESCRIPTION
This system improves engine operation when the air conditioner is used.
Under the following conditions, the air conditioner is turned off.
 When the accelerator pedal is fully depressed.
 When cranking the engine.
 At high engine speeds.
 When the engine coolant temperature becomes excessively high.
 When operating power steering during low engine speed or low vehicle speed.
 When engine speed is excessively low.
JMBIA0175GB
Sensor Input Signal to ECM ECM function Actuator
BCM*
1Air conditioner ON signal
Air conditioner
cut controlIPDM E/R
↓
Air conditioner relay
↓
Compressor Accelerator pedal position sensor Accelerator pedal position
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)Engine speed*
2
Engine coolant temperature sensor Engine coolant temperature
Battery
Battery voltage*
2
Refrigerant pressure sensor Refrigerant pressure
EPS control unit*
1Power steering operation
Combination meter*
1Vehicle speed

AIR CONDITIONING CUT CONTROL
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 When refrigerant pressure is excessively low or high.
Component Parts LocationINFOID:0000000001677954
1. Ignition coil (with power transistor)
and spark plug2. Intake valve timing control solenoid
valve3. Refrigerant pressure sensor
4. Knock sensor 5. Fuel injector 6. Cooling fan motor
7. Camshaft position sensor (PHASE) 8. IPDM E/R 9. ECM
10. Mass air flow sensor (with intake air
temperature sensor)11. Engine coolant temperature sensor 12. Electric throttle control actuator
(with built in throttle position sensor
and throttle control motor)
13. EVAP canister purge volume control
solenoid valve
PBIB2939E

EC-56
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
AIR CONDITIONING CUT CONTROL
1. Mass air flow sensor
(with intake air temperature sensor)2. Engine coolant temperature sensor 3. Electric throttle control actuator
4. Camshaft position sensor (PHASE) 5. Ignition coil (with power transistor) 6. Fuel injector
7. EVAP canister purge volume control
solenoid valve
Vehicle front
PBIB2940E

EC-60
< FUNCTION DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
AIR CONDITIONING CUT CONTROL
Component Description
INFOID:0000000001161153
1. ASCD steering switch 2. MAIN switch 3. CANCEL switch
4. SET/COAST switch 5. RESUME/ACCELERATE switch 6. ASCD brake switch
7. Stop lamp switch 8. ASCD clutch switch 9. Clutch pedal
ALBIA0273ZZ
Component Reference
Accelerator pedal position sensorEC-286, "
Description"
Camshaft position sensor (PHASE)EC-201, "Description"
Crankshaft position sensor (POS)EC-197, "Description"
Engine coolant temperature sensorEC-142, "Description"
Refrigerant pressure sensorEC-326, "Description"
Vehicle speed sensorEC-213, "Description"

AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-61
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)
System DiagramINFOID:0000000001161154
System DescriptionINFOID:0000000001161155
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed
without depressing accelerator pedal. Driver can set vehicle speed in advance between approximately 40 km/
h (25 MPH) and 153 km/h (95 MPH).
ECM controls throttle angle of electric throttle control actuator to regulate engine speed.
Operation status of ASCD is indicated by CRUISE lamp and SET lamp in combination meter. If any malfunc-
tion occurs in ASCD system, it automatically deactivates control.
NOTE:
Always drive vehicle in safe manner according to traffic conditions and obey all traffic laws.
SET OPERATION
Press MAIN switch. (The CRUISE lamp in combination meter illuminates.)
When vehicle speed reaches a desired speed between approximately 40 km/h (25 MPH) and 153 km/h (95
MPH), press SET/COAST switch. (Then SET lamp in combination meter illuminates.)
ACCELERATE OPERATION
If the RESUME/ACCELERATE switch is pressed during cruise control driving, increase the vehicle speed until
the switch is released or vehicle speed reaches maximum speed controlled by the system.
And then ASCD will keep the new set speed.
CANCEL OPERATION
JMBIA0823GB
Sensor Input signal to ECM ECM function Actuator
ASCD brake switch
Brake pedal operation
ASCD vehicle speed controlElectric throttle control
actuator Stop lamp switch
ASCD clutch switch (M/T models) Clutch pedal operation
ASCD steering switch ASCD steering switch operation
Park/neutral position switch Gear position
Combination meter Vehicle speed*
TCM (A/T models) Powertrain revolution*