NISSAN TIIDA 2007 Service Repair Manual

EC-1122
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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

P0090 FUEL PUMP
EC-1123
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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.HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE) CHECK
Refer to EC-1123, "
Component Inspection".
Is the inspection result normal?
Yes >> GO TO 5.
No >> Replace high pressure supply pump.
5.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTIO END
Component InspectionINFOID:0000000001162568
1.CHECK HIGH PRESSURE SUPPLY PUMP (PRESSURE CONTROL VALVE)
1. Turn ignition switch OFF.
2. Disconnect high pressure supply pump (pressure control valve) harness connector.
3. Check resistance between high pressure supply pump (pressure control valve) terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace high pressure supply pump.
Terminals Resistance
3 and 4 1.5 - 15Ω

EC-1124
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P0100 MAF SENSOR
P0100 MAF SENSOR
DescriptionINFOID:0000000001162569
The mass air flow sensor is placed in the stream of intake air.
 Intake air temperature sensor (1)
DTC LogicINFOID:0000000001162570
DTC DETECTION LOGIC
NOTE:
If DTC P0100 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 has been switched on.
Diagnosis ProcedureINFOID:0000000001162571
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 MASS AIR FLOW SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect mass air flow sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
 Harness connectors E8, F8
MBIB1523E
DTC No. Trouble diagnosis name Possible cause
P0100MASS AIR FLOW SENSOR CIRCUIT
 CC.0: Short circuit to ground
 CO.1: Open circuit or short circuit to +12V Harness or connectors
(Mass air flow sensor circuit is open or
shorted.)
 Mass air flow sensor
Mass air flow sensor
Ground Voltage
Connector Terminal
F31 4 Ground Battery voltage

P0100 MAF SENSOR
EC-1125
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 Harness for open or short between IPDM E/R and mass air flow sensor
 Harness for open or short between ECM and mass air flow sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK MASS AIR FLOW SENSOR POWER SUPPLY CIRCUIT-II
Check the voltage between mass air flow sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK MASS AIR FLOW SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connectors.
3. Check the continuity between mass air flow 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 6.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK MASS AIR FLOW SENSOR NPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between mass air flow sensor 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 7.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK MASS AIR FLOW SENSOR
Refer to EC-1125, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 8.
NO >> Replace mass air flow sensor.
8.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001162572
1.CHECK MASS AIR FLOW SENSOR
Mass air flow sensor
Ground Voltage
Connector Terminal
F31 5 Ground Approx. 5V
Mass air flow sensor ECM
Continuity
Connector Terminal Connector Terminal
F31 2 F10 30 Existed
Mass air flow sensor ECM
Continuity
Connector Terminal Connector Terminal
F31 6 F10 35 Existed

EC-1126
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P0100 MAF SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector.
Is the inspection result normal?
YES >>INSPECTION END
NO >> Replace mass air flow sensor.
Mass air flow sensor
Vo l ta g e
Connector Terminal
F312
(Mass air flow sensor
ground)6
(Mass air flow sensor sig-
nal)0.3 - 0.7V

P0101 MAF SENSOR
EC-1127
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P0101 MAF SENSOR
DescriptionINFOID:0000000001162573
The mass air flow sensor is placed in the stream of intake air.
 Intake air temperature sensor (1)
DTC LogicINFOID:0000000001162574
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with DTC P0641, first perform trouble diagnosis for DTC P0641. Refer to
EC-1180, "
DTC Logic".
Diagnosis ProcedureINFOID:0000000001162575
1.CHECK AIR FILTER
Check that air filter is not obstructed.
Is the inspection result normal?
Yes >> Repair or replace.
No >> GO TO 2.
2.CHECK INTAKE AIR DUCT
Check that intake air duct is not obstructed.
Is the inspection result normal?
Yes >> Repair or replace.
No >> GO TO 3.
3.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 4.
NO >> Repair or replace ground connection.
4.CHECK MASS AIR FLOW SENSOR POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect mass air flow sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector and ground.
MBIB1523E
DTC No. Trouble diagnosis name Possible cause
P0101REQUESTED AIR FLOW
 1.DEF: Signal outside lower level
 2.DEF: Signal outside upper level Harness or connectors
(The sensor circuit is open or shorted.)
 Mass air flow sensor
 Intake air leaks
 Intake air duct obstructed
 Air filter obstructed

EC-1128
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P0101 MAF SENSOR
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK MASS AIR FLOW SENSOR POWER SUPPLY CIRCUIT-II
Check the voltage between mass air flow sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
6.CHECK MASS AIR FLOW SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between mass air flow 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 7.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK MASS AIR FLOW SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check the continuity between mass air flow sensor 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 8.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
8.CHECK MASS AIR FLOW SENSOR
Refer to EC-1129, "
Component Inspection"
Is the inspection result normal?
YES >> GO TO 9.
NO >> Replace mass air flow sensor.
9.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Mass air flow sensor
Ground Voltage
Connector Terminal
F31 4 Ground Battery voltage
Mass air flow sensor
Ground Voltage
Connector Terminal
F31 5 Ground Approx. 5V
Mass air flow sensor ECM
Continuity
Connector Terminal Connector Terminal
F31 2 F10 30 Existed
Mass air flow sensor ECM
Continuity
Connector Terminal Connector Terminal
F31 6 F10 35 Existed

P0101 MAF SENSOR
EC-1129
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Component InspectionINFOID:0000000001162576
1.CHECK MASS AIR FLOW SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Check the voltage between mass air flow sensor harness connector.
Is the inspection result normal?
YES >>INSPECTION END
NO >> Replace mass air flow sensor.
Mass air flow sensor
Voltage
Connector Terminal
F312
(Mass air flow sensor
ground)6
(Mass air flow sensor sig-
nal)0.3 - 0.7V

EC-1130
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P0110 IAT SENSOR
P0110 IAT SENSOR
DescriptionINFOID:0000000001162577
The intake air temperature sensor is built into mass air flow sensor. The sensor detects intake air temperature
and transmits a signal to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical
resistance of the thermistor decreases in response to the temperature rise.
DTC LogicINFOID:0000000001162578
DTC DETECTION LOGIC
NOTE:
If DTC P0110 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 has been switched on for at least 10 seconds.
Diagnosis ProcedureINFOID:0000000001162579
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 INTAKE AIR TEMPERATURE SENSOR POWER SUPPLY CIRCUIT-II
1. Disconnect mass air flow sensor (with intake air temperature sensor) harness connector.
2. Turn ignition switch ON.
3. Check the voltage between mass air flow sensor harness 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 INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between mass air flow sensor harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
DTC No. Trouble diagnosis name Possible cause
P0110INTAKE AIR TEMPERATURE SENSOR CIRCUIT
 CC.0: Short circuit to ground
 CO.1: Open circuit or short circuit to +12V
 1.DEF: Micro-breaks Harness or connectors
(Intake air temperature sensor circuit is
open or shorted.)
 Intake air temperature sensor
Mass air flow sensor
Ground Voltage
Connector Terminal
F31 1 Ground Approx. 5V
Mass air flow sensor ECM
Continuity
Connector Terminal Connector Terminal
F31 2 F10 30 Existed

P0110 IAT SENSOR
EC-1131
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YES >> GO TO 4.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK INTAKE AIR TEMPERATURE SENSOR
Refer to EC-1131, "
Component Inspection".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace mass air flow sensor (with intake air temperature sensor).
5.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Component InspectionINFOID:0000000001162580
1.CHECK INTAKE AIR TEMPERATURE SENSOR
Check resistance between mass air flow sensor terminals 1 and 2 under the following conditions.
Is the inspection result normal?
YES >>INSPECTION END
NO >> Replace mass air flow sensor (with intake air temperature sensor).
Condition Resistance (Ω)
10°C (50°F) 3,714 ± 161
20°C (68°F) 2,448 ± 95
30°C (86°F) 1,671 ± 58