2007 NISSAN TIIDA Service Repair Manual

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Page 2481 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-1132
< COMPONENT DIAGNOSIS >[K9K]
P0115 ECT SENSOR
P0115 ECT SENSOR
DescriptionINFOID:0000000001162581
The engine coolant temperature sensor is used to detect the engine coolant temperature. The se

EC-1132
< COMPONENT DIAGNOSIS >[K9K]
P0115 ECT SENSOR
P0115 ECT SENSOR
DescriptionINFOID:0000000001162581
The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies
a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature
input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance
of the thermistor decreases as temperature increases.
DTC LogicINFOID:0000000001162582
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the ignition has been switched on for at least 10 seconds.
If the DTC is present:
- Cooling fan motor is always operate.
- Air conditioner is not operate.
Diagnosis ProcedureINFOID:0000000001162583
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ENGINE COOLANT TEMPERATURE SENSOR SUPPLY CIRCUIT
1. Disconnect engine coolant temperature sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between engine coolant temperature sensor connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK ENGINE COOLANT TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between engine coolant temperature sensor harness connector and ECM harness
connector.
DTC No. Trouble diagnosis name Possible cause
P0115ENGINE COOLANT TEMPERATURE SENSOR CIRCUIT
CC.0: Short circuit to ground
CO.1: Open circuit or short circuit to +12V
1.DEF: Micro-breaks
2.DEF: Signal incoherence Harness or connectors
(Engine coolant temperature sensor cir-
cuit is open or shorted.)
Engine coolant temperature sensor
Engine coolant temperature sensor
Ground Voltage
Connector Terminal
F6 3 Ground Approx. 5V
Engine coolant temperature sensor ECM
Continuity
Connector Terminal Connector Terminal
F6 2 F10 33 Existed

Page 2482 of 5883

NISSAN TIIDA 2007 Service Repair Manual P0115 ECT SENSOR
EC-1133
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4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO

Page 2483 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-1134
< COMPONENT DIAGNOSIS >[K9K]
P0120 ELECTRIC THROTTLE CONTROL ACTUATOR
P0120 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000001162585
By default the valve is open when in the rest

EC-1134
< COMPONENT DIAGNOSIS >[K9K]
P0120 ELECTRIC THROTTLE CONTROL ACTUATOR
P0120 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000001162585
By default the valve is open when in the rest position and is actuated only when the engine is stopped; this has
a damping effect and helps to stop the engine.
DTC LogicINFOID:0000000001162586
DTC DETECTION LOGIC
NOTE:
The electric throttle control actuator function is no longer ensured when the engine is stopped or the valve is
closed, then the engine stalls or starting is impossible.
Diagnosis ProcedureINFOID:0000000001162587
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Turn ignition switch ON.
4. Check the voltage between electric throttle control actuator harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
IPDM E/R
Harness connectors E8, F8
Harness for open or short between IPDM E/R and electric throttle control actuator
Harness for open or short between ECM and electric throttle control actuator
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
DTC No. Trouble diagnosis name Possible cause
P0120ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT
CC.0: Short circuit to ground
CC.1: Short circuit to +12V
CO: Open circuit Harness or connectors
(Electric throttle control actuator circuit is
open or shorted.)
Throttle position sensor
Throttle control motor
Electric throttle control actua-
tor
Ground Voltage
Connector Terminal
F7 1 Ground Battery voltage

Page 2484 of 5883

NISSAN TIIDA 2007 Service Repair Manual P0120 ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1135
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3. Check the continuity between electric throttle control actuator harness connector and E

Page 2485 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-1136
< COMPONENT DIAGNOSIS >[K9K]
P0180 FPT SENSOR
P0180 FPT SENSOR
DescriptionINFOID:0000000001162588
Fuel pump temperature sensor is built in the fuel pump. The sensor detects the fuel temperatur

EC-1136
< COMPONENT DIAGNOSIS >[K9K]
P0180 FPT SENSOR
P0180 FPT SENSOR
DescriptionINFOID:0000000001162588
Fuel pump temperature sensor is built in the fuel pump. The sensor detects the fuel temperature in the fuel
pump and calibrates the fuel injection amount change by fuel temperature.
DTC LogicINFOID:0000000001162589
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the ignition has been switched on for at least 10 seconds.
Diagnosis ProcedureINFOID:0000000001162590
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK FUEL PUMP TEMPERATURE SENSOR SUPPLY CIRCUIT
1. Disconnect fuel pump temperature sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between fuel pump temperature sensor connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK FUEL PUMP TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between fuel pump temperature sensor harness connector and ECM harness con-
nector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
DTC No. Trouble diagnosis name Possible cause
P0180FUEL PUMP TEMPERATURE SENSOR CIRCUIT
CC.0: Short circuit to ground
CO.1: Open circuit or short circuit to +12V
1.DEF: Micro-breaks
2.DEF: Signal incoherence Harness or connectors
(Fuel pump temperature sensor circuit is
open or shorted.)
Fuel pump temperature sensor
Fuel pump temperature sensor
Ground Voltage
Connector Terminal
F29 1 Ground Approx. 5V
Fuel pump temperature sensor ECM
Continuity
Connector Terminal Connector Terminal
F29 2 F10 29 Existed

Page 2486 of 5883

NISSAN TIIDA 2007 Service Repair Manual P0180 FPT SENSOR
EC-1137
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4.CHECK FUEL PUMP TEMPERATURE SENSOR
Refer to EC-1137, "
Component Inspection".
Is the inspection result normal?

Page 2487 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-1138
< COMPONENT DIAGNOSIS >[K9K]
P0190 FRP SENSOR
P0190 FRP SENSOR
DescriptionINFOID:0000000001162592
The fuel rail pressure (FRP) sensor is placed to the fuel rail. It measures the fuel pressure

EC-1138
< COMPONENT DIAGNOSIS >[K9K]
P0190 FRP SENSOR
P0190 FRP SENSOR
DescriptionINFOID:0000000001162592
The fuel rail pressure (FRP) sensor is placed to the fuel rail. It measures the fuel pressure in the fuel rail. The
sensor sends voltage signal to the ECM. As the pressure increases, the voltage rises.The ECM controls the
fuel pressure in the fuel rail. The ECM uses the signal from fuel rail pressure sensor as a feedback signal.
DTC LogicINFOID:0000000001162593
DTC DETECTION LOGIC
NOTE:
If DTC P0190 is displayed with DTC P0641, first perform trouble diagnosis for DTC P0641. Refer to
EC-1180, "
DTC Logic".
Conditions for applying the diagnostic procedure to the stored DTCs:
- The DTC is declared present after the ignition is switched on when the engine is running outside idle speed.
If the DTC is present:
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162594
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK FUEL RAIL PRESSURE SENSOR POWER SUPPLY CIRCUIT
1. Disconnect fuel rail pressure sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between fuel rail pressure sensor connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK FUEL RAIL PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between fuel rail pressure sensor harness connector and ECM harness connector.
DTC No. Trouble diagnosis name Possible cause
P0190FUEL RAIL PRESSURE SENSOR CIRCUIT
CO.0: Short circuit to ground
CO.1: Open circuit or short circuit to +12V
1.DEF: malfunctioning sensor
2.DEF: Signal outside upper level
3.DEF: Micro-breaks Harness or connectors
(Fuel rail pressure sensor circuit is open
or shorted.)
Fuel rail pressure sensor
Fuel rail pressure sensor
Ground Voltage
Connector Terminal
F51 3 Ground Approx. 5V
Fuel rail pressure sensor ECM
Continuity
Connector Terminal Connector Terminal
F51 2 F10 15 Existed

Page 2488 of 5883

NISSAN TIIDA 2007 Service Repair Manual P0190 FRP SENSOR
EC-1139
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4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO

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