engine control NISSAN TIIDA 2007 Service Repair Manual

EC-1122
< COMPONENT DIAGNOSIS >[K9K]
P0090 FUEL PUMP
P0090 FUEL PUMP
DTC LogicINFOID:0000000001162566
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC becomes present after the engine is started.
If the DTC is present:
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162567
1.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect high pressure supply pump (pressure control valve) harness connector.
3. Turn ignition switch ON.
4. Check the voltage between high pressure supply pump (pressure control valve) harness connector and
ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
 IPDM E/R
 Harness for open or short between IPDM E/R and high pressure supply pump (pressure control valve)
 Harness for open or short between ECM and high pressure supply pump (pressure control valve)
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) OUTPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between high pressure supply pump (pressure control valve) harness connector and
ECM harness connector.
4. Also check harness for short to ground and short to power.
DTC No. Trouble diagnosis name Possible cause
P0090HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
CIRCUIT
 CO: Open circuit
 CO.0: Short circuit to ground
 CC.1: Short circuit to +12V
 1.DEF: Parameter at maximum level  Harness or connectors
[High pressure supply pump (pressure
control valve) circuit is open or shorted.]
 High pressure supply pump (pressure
control valve)
High pressure supply pump
(Pressure control valve)
Ground Voltage
Connector Terminal
F53 3 Ground Battery voltage
High pressure supply pump
(Pressure control valve)ECM
Continuity
Connector Terminal Connector Terminal
F53 4 F11 49 Existed

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

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

EC-1140
< COMPONENT DIAGNOSIS >[K9K]
P0200 FUEL INJECTOR
P0200 FUEL INJECTOR
DTC LogicINFOID:0000000001162596
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the engine has been started.
If the DTC is present:
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162597
1.CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect fuel injector harness connector.
4. Check the continuity between fuel injector harness connector and ECM harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
2.CHECK FUEL INJECTOR OUTPUT CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between fuel injector harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
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 INJECTOR
Refer to EC-1141, "
Component Inspection".
Is the inspection result normal?
DTC No. Trouble diagnosis name Possible cause
P0200FUEL INJECTOR CONTROL
 1.DEF: Voltage outside permitted range of values
 2.DEF: Configuration/ Initialisation
 3.DEF: Signal incoherence Harness or connectors
(The fuel injector circuit is open or
shorted.)
 Fuel injector
Fuel injector ECM
Continuity
Cylinder Connector Terminal Connector Terminal
1F17 1F108
Existed 2F18 1F107
3F19 1F106
4F20 1F105
Fuel injector ECM
Continuity
Cylinder Connector Terminal Connector Terminal
1F17 2F104
Existed 2F18 2F103
3F19 2F102
4F20 2F101

EC-1156
< COMPONENT DIAGNOSIS >[K9K]
P0381 GLOW CONTROL SYSTEM
P0381 GLOW CONTROL SYSTEM
DTC LogicINFOID:0000000001162620
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after several attempts have been made to start the engine.
Special notes:
If the DTC is present, it will be difficult to start the vehicle, or even impossible when cold, or preheating will
be continuous and the heater plugs will deteriorate.
Diagnosis ProcedureINFOID:0000000001162621
1.CHECK GLOW RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect glow relay harness connector.
3. Turn ignition switch ON.
4. Check the voltage between glow relay connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.DETECT MALFUNCTIONING PART
Check the following.
 Harness connectors E8, F8
 Harness for open or short between ECM and glow relay
 Harness for open or short between IPDM E/R glow relay
 Harness for open and short between glow relay and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK GLOW RELAY INPUT CIRCUIT FOR OPEN AND SHORT-I
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between glow relay harness connector and ECM harness connector.
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
P0381GLOW CONTROL UNIT CIRCUIT
 CC.0: Short circuit to ground
 CO.1: Open circuit or short circuit to +12V Harness or connectors
(The glow relay circuit is open or shorted.)
 Glow relay
Glow plug
Glow relay
Ground Voltage
Connector Terminal
F55 3 Ground Battery voltage
Glow relay ECM
Continuity
Connector Terminal Connector Terminal
F55 9 F11 80 Existed

EC-1158
< COMPONENT DIAGNOSIS >[K9K]
P0409 EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR
P0409 EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR
DTC LogicINFOID:0000000001162623
DTC DETECTION LOGIC
NOTE:
If DTC P0409 is displayed with DTC P0651, first perform trouble diagnosis for DTC P0651. Refer to
EC-1182, "
DTC Logic".
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the engine started.
If the DTC is present:
-Malfunction indicator (Yellow) lights up.
Diagnosis ProcedureINFOID:0000000001162624
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 EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR POWER SUPPLY CIRCUIT
1. Disconnect EGR volume control valve harness connector.
2. Turn ignition switch ON.
3. Check the voltage between EGR volume control valve control position 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 EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR GROUND CIRCUIT FOR
OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EGR volume control valve control position sensor harness connector and
ECM harness connector.
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
P0409EGR VOLUME CONTROL VALVE CONTROL POSITION SEN-
SOR CIRCUIT
 CO.0: Open circuit or short circuit to ground
 CC.1: Short circuit to +12V Harness or connectors
(The EGR volume control valve control position
sensor circuit is open or shorted.)
 EGR volume control valve control position sensor
EGR volume control valve control position sensor
Ground Voltage
Connector Terminal
F52 1 Ground Approx. 5V
EGR volume control valve control posi-
tion sensorECM
Continuity
Connector Terminal Connector Terminal
F52 3 E16 82 Existed

EC-1160
< COMPONENT DIAGNOSIS >[K9K]
P0487 EGR VOLUME CONTROL VALVE
P0487 EGR VOLUME CONTROL VALVE
DTC LogicINFOID:0000000001162625
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present with the engine idle speed.
Diagnosis ProcedureINFOID:0000000001162626
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 EGR VOLUME CONTROL VALVE CONTROL MOTOR CIRCUIT
1. Disconnect EGR volume control valve harness connector.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals.
4. Also check harness for short to ground and short to power.
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 EGR VOLUME CONTROL VALVE
Refer to EC-1161, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.REPLACE EGR VOLUME CONTROL VALVE
1. Replace the EGR volume control valve.
2. Perform EC-1055, "
EGR VOLUME CONTROL VALVE CLOSED POSITION LEARNING : Special Repair
Requirement"
>>INSPECTIO END
DTC No. Trouble diagnosis name Possible cause
P0487EGR VOLUME CONTROL VALVE CIRCUIT
CO: Open circuit
 CC.0: Short circuit to ground
 CC.1: Short circuit to +12V
 1.DEF: Values outside the level
 CC: Short circuit Harness or connectors
(The EGR volume control valve control motor
circuit is open or shorted.)
 EGR volume control motor valve
EGR volume control valve ECM
Continuity
Connector Terminal Connector Terminal
F522
E1695 Existed
96 Not existed
695 Not existed
96 Existed

EC-1162
< COMPONENT DIAGNOSIS >[K9K]
P0488 EGR SYSTEM
P0488 EGR SYSTEM
DTC LogicINFOID:0000000001162628
DTC DETECTION LOGIC
NOTE:
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after the engine is started.
Special notes:
- Engine instability, possibly even stalling.
- Difficult to start engine or even impossible when cold.
- Loss of performance.
- Possible smoke emissions.
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162629
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 EGR VOLUME CONTROL VALVE INSTALLATION
Check that EGR volume control valve is installed properly.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Install EGR volume control valve properly.
3.CHECK EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR POWER SUPPLY CIRCUIT
1. Disconnect EGR volume control valve harness connector.
2. Turn ignition switch ON.
3. Check the voltage between EGR volume control valve control position sensor connector and ground.
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.
4.CHECK EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR GROUND CIRCUIT FOR
DTC No. Trouble diagnosis name Possible cause
P0488EGR VOLUME CONTROL
 1.DEF: Signal incoherence
 2.DEF: Signal outside lower level
 3.DEF: Signal outside upper level
 4.DEF: Valve outside level
 5.DEF: Defective sensor Harness or connectors
(The EGR volume control valve circuit is open
or shorted.)
(The EGR volume control valve control posi-
tion sensor circuit is open or shorted.)
 EGR volume control valve
 EGR volume control valve control position
sensor
 Incorrect EGR volume control valve installa-
tion
 EGR volume control valve stuck closed
 EGR passage clogged
GR volume control valve control position sensor
Ground Voltage
Connector Terminal
F52 1 Ground Approx. 5V

EC-1178
< COMPONENT DIAGNOSIS >[K9K]
P0606 ECM
P0606 ECM
DescriptionINFOID:0000000001162646
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
DTC LogicINFOID:0000000001162647
DTC DETECTION LOGIC
NOTE:
If DTC P0606 is displayed with other DTC, first perform the trouble diagnosis for other DTC.
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC is declared present after an attempted start, or with the engine running.
If the DTC is present:
-Malfunction indicator (Red) lights up.
-Malfunction indicator (Yellow) lights up.
Diagnosis ProcedureINFOID:0000000001162648
1.CHECK DTC
Make sure that which malfunction (DTC second line indication) is displayed.
A or B
A>>GO TO 2.
B>>GO TO 3.
2.REPLACE ECM
1. Perform EC-1054, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
Requirement".
2. Perform EC-1055, "
EGR VOLUME CONTROL VALVE CLOSED POSITION LEARNING : Special Repair
Requirement".
>>INSPECTION END
3.CHECK CAN COMMUNICATION LINE
Refer to LAN-33, "
CAN Communication Signal Chart".
OK or NG
OK >> GO TO 4.
NG >> Repair or replace.
4.CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
MBIB1517E
DTC No. Trouble diagnosis name Possible cause
P0606ECM
 1.DEF to 20.DEF: Internal electric malfunctionECM
AExcept 9.DEFF
B9.DEF

EC-1186
< COMPONENT DIAGNOSIS >[K9K]
P1089 FUEL PUMP
P1089 FUEL PUMP
DTC LogicINFOID:0000000001162661
DTC DETECTION LOGIC
NOTE:
NOTE:
-If DTC P1089 is displayed with DTC P0180, first perform trouble diagnosis for DTC P0180. Refer to
EC-1136, "
DTC Logic".
-If DTC P1089 is displayed with DTC P0190, first perform trouble diagnosis for DTC P0190. Refer to
EC-1138, "
DTC Logic".
Conditions for applying the diagnostic procedure to the stored DTCs:
The DTC appears when the engine is running.
If the DTC is present:
-Malfunction indicator (Red) lights up.
Diagnosis ProcedureINFOID:0000000001162662
1.CHECK LOW PRESSURE FUEL SUPPLY SYSTEM
Refer to EC-1043, "
BASIC INSPECTION : Special Repair Requirement (TEST 1: Low Pressure Fuel Supply
System Check)".
Is the inspection result normal?
OK >> GO TO 2.
NG >> Replace or replace. Then GO TO 9.
2.CHECK INTERNAL FUEL TRANSFER PUMP
Refer to EC-1044, "
BASIC INSPECTION : Special Repair Requirement (TEST 2: Internal Fuel Transfer Pump
Check)".
Is the inspection result normal?
OK >> GO TO 3.
NG >> Replace or replace. Then GO TO 9.
3.CHECK 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]".
Is the inspection result normal?
OK >> GO TO 4.
NG >> Replace or replace. Then GO TO 9.
DTC No. Trouble diagnosis name Possible cause
P1089FUEL RAIL PRESSURE REGULATION FUNCTION
 1.DEF: High pressure supply pump (Pressure control valve) closed
 2.DEF: High pressure supply pump (Pressure control valve) open
 3.DEF: High pressure supply pump (Volumetric control valve) open
 4.DEF: High pressure supply pump (Volumetric control valve) closed
 5.DEF: Component malfunction: High pressure supply pump (Pressure
control valve or Volumetric control valve)
 6.DEF: High pressure supply pump (Pressure control valve) oscillation
 7.DEF: High pressure supply pump (Volumetric control valve)) oscilla-
tion Harness or connectors
[High pressure supply pump (volumetric
control valve) circuit is open or shorted.]
[High pressure supply pump (Pressure
control valve) circuit is open or shorted.]
(Fuel rail pressure sensor circuit is open or
shorted.)
 High pressure supply pump
 High pressure supply pump (Pressure
control valve)
 High pressure supply pump (Volumetric
control valve)
 Fuel line
 Fuel rail
 Fuel injector
 Fuel rail pressure sensor
 Fuel rail pressure relief valve
 Air mixture with fuel
 Lack of fuel