Page 1665 of 5883
![NISSAN TIIDA 2007 Service Repair Manual EC-316
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FUEL PUMP
FUEL PUMP
DescriptionINFOID:0000000001671103
*: ECM determines the start signal status by the signals of engine speed and battery volta NISSAN TIIDA 2007 Service Repair Manual EC-316
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
FUEL PUMP
FUEL PUMP
DescriptionINFOID:0000000001671103
*: ECM determines the start signal status by the signals of engine speed and battery volta](/manual-img/5/57395/w960_57395-1664.png)
EC-316
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
FUEL PUMP
FUEL PUMP
DescriptionINFOID:0000000001671103
*: ECM determines the start signal status by the signals of engine speed and battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is turned ON to improve engine
startability. If the ECM receives a engine speed signal from the camshaft position sensor (PHASE), it knows
that the engine is rotating, and causes the pump to operate. If the engine speed signal is not received when
the ignition switch is ON, the engine stalls. The ECM stops pump operation and prevents battery discharging,
thereby improving safety. The ECM does not directly drive the fuel pump. It controls the ON/OFF fuel pump
relay, which in turn controls the fuel pump.
Component Function CheckINFOID:0000000001671104
1.CHECK FUEL PUMP FUNCTION
1. Turn ignition switch ON.
2. Pinch fuel feed hose with two fingers.
Is the inspection result normal?
YES >> INSPECTION END
NO >>EC-316, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001671105
1.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Turn ignition switch ON.
4. Check the voltage between ECM harness connector terminals as follows.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-II
Sensor Input signal to ECM ECM Function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)Engine speed*
Fuel pump controlFuel pump relay
↓
Fuel pump
Battery Battery voltage*
Condition Fuel pump operation
Ignition switch is turned to ON. Operates for 1 second.
Engine running and crankingOperates.
When engine is stopped Stops in 1.5 seconds.
Except as shown aboveStops.
Fuel pressure pulsation should be felt on the fuel feed
hose for 1 second after ignition switch is turned ON.
ALBIA0276ZZ
(+) (–)
Voltag e
Connector Terminal Connector Terminal
F10 23 E16 108 Battery voltage
Page 1666 of 5883
![NISSAN TIIDA 2007 Service Repair Manual FUEL PUMP
EC-317
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1. Turn ignition switch OFF.
2. Disconnect IDPDM E/R harness connector.
3. Check the continuity between NISSAN TIIDA 2007 Service Repair Manual FUEL PUMP
EC-317
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1. Turn ignition switch OFF.
2. Disconnect IDPDM E/R harness connector.
3. Check the continuity between](/manual-img/5/57395/w960_57395-1665.png)
FUEL PUMP
EC-317
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1. Turn ignition switch OFF.
2. Disconnect IDPDM E/R harness connector.
3. Check the continuity between IPDM E/R harness connector and ECM harness connector.
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.DETECT MALFUNCTIONING PART
Check the following.
Harness or connectors E8, F8.
Harness for open or short to ground and short power.
>> Repair harness or connectors.
4.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect “fuel level sensor unit and fuel pump” harness connector.
4. Turn ignition switch ON.
5. Check voltage between “fuel level sensor unit and fuel pump” harness connector and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 5.
5.CHECK 10A FUSE
1. Turn ignition switch OFF.
2. Disconnect 15A fuse (No. 48) from IPDM E/R.
3. Check 15A fuse.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace fuse.
6.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-IV
1. Disconnect IPDM E/R harness connector.
2. Check the continuity between IPDM E/R harness connector and “fuel level sensor unit and fuel pump”
harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 10.
ECM IPDM E/R
Continuity
Connector Terminal Connector Terminal
F10 23 E46 47 Existed
Fuel level sensor unit
and fuel pump
Ground Voltage
Connector Terminal
B40 1 GroundBattery voltage should exist 1
second after ignition switch is
turn ON.
IPDM E/RFuel level sensor unit and
fuel pump
Continuity
Connector Terminal Connector Terminal
E45 36 B40 1 Existed
Page 1667 of 5883
![NISSAN TIIDA 2007 Service Repair Manual EC-318
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
FUEL PUMP
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E7, M69, M12, B1.
Harness for open or short bet NISSAN TIIDA 2007 Service Repair Manual EC-318
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
FUEL PUMP
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E7, M69, M12, B1.
Harness for open or short bet](/manual-img/5/57395/w960_57395-1666.png)
EC-318
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
FUEL PUMP
NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E7, M69, M12, B1.
Harness for open or short between IPDM E/R and “fuel level sensor unit and fuel pump”
>> Repair open circuit or short to power in harness or connectors.
8.CHECK FUEL PUMP GROUND CIRCUIT
1. Check the continuity between “fuel level sensor unit and fuel pump” and ground.
2. Also heck harness for short to power.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair open circuit or short to power in harness or connectors.
9.CHECK FUEL PUMP
Refer to EC-318, "
Component Inspection (Fuel Pump)".
Is the inspection result normal?
YES >> GO TO 10.
NO >> Replace fuel pump.
10.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
Is the inspection result normal?
YES >> Replace IPDM E/R.
NO >> Repair or replace harness or connectors.
Component Inspection (Fuel Pump)INFOID:0000000001671106
1.CHECK FUEL PUMP
1. Turn ignition switch OFF.
2. Disconnect “fuel level sensor unit and fuel pump” harness connector.
3. Check resistance between “fuel level sensor unit and fuel pump” terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace “fuel level sensor unit and fuel pump”.
Fuel level sensor unit
and fuel pump
Ground Continuity
Connector Terminal
B40 3 Ground Existed
Terminals Resistance
1 and 3 0.2 - 5.0Ω [at 25°C (77°F)]
Page 1668 of 5883
![NISSAN TIIDA 2007 Service Repair Manual IGNITION SIGNAL
EC-319
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IGNITION SIGNAL
DescriptionINFOID:0000000001671107
The ignition signal from the ECM is sent to an NISSAN TIIDA 2007 Service Repair Manual IGNITION SIGNAL
EC-319
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IGNITION SIGNAL
DescriptionINFOID:0000000001671107
The ignition signal from the ECM is sent to an](/manual-img/5/57395/w960_57395-1667.png)
IGNITION SIGNAL
EC-319
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IGNITION SIGNAL
DescriptionINFOID:0000000001671107
The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns
ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil
secondary circuit.
Component Function CheckINFOID:0000000001671108
1.INSPECTION START
Turn ignition switch OFF, and restart engine.
Does the engine start?
YES-1 >> With CONSULT-III: GO TO 2.
YES-2 >> Without CONSULT-III: GO TO 3.
NO >> Go to EC-319, "
Diagnosis Procedure".
2.IGNITION SIGNAL FUNCTION
With CONSULT-III
1. Perform “POWER BALANCE” in “ACTIVE TEST” mode with CONSULT-III.
2. Make sure that each circuit produces a momentary engine speed drop.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-319, "
Diagnosis Procedure".
3.IGNITION SIGNAL FUNCTION
Without CONSULT-III
1. Let engine idle.
2. Read the voltage signal between ECM harness connector terminals as follows.
NOTE:
The pulse cycle changes depending on rpm at idle.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-319, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001671109
1.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
2. Check the voltage between ECM harness connector terminals as follows.
ECM Ground
Voltage signal
Connector Terminal Connector Terminal
F1017
E16 108 18
21
22
JMBIA0329GB
(+) (–)
Vo l ta g e
Connector Terminal Connector Terminal
E16 105 E16 108 Battery voltage
Page 1669 of 5883
![NISSAN TIIDA 2007 Service Repair Manual EC-320
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
IGNITION SIGNAL
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to EC-124, "
Diagnosis Procedure".
2.CHECK IGNITION COIL POWER SUPPLY C NISSAN TIIDA 2007 Service Repair Manual EC-320
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
IGNITION SIGNAL
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to EC-124, "
Diagnosis Procedure".
2.CHECK IGNITION COIL POWER SUPPLY C](/manual-img/5/57395/w960_57395-1668.png)
EC-320
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
IGNITION SIGNAL
Is the inspection result normal?
YES >> GO TO 2.
NO >> Go to EC-124, "
Diagnosis Procedure".
2.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser-2 harness connector.
3. Turn ignition switch ON.
4. Check the voltage between condenser-2 harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-III
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between IPDM E/R harness connector and condenser-2 harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> Go to EC-124, "Diagnosis Procedure".
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK CONDENSER-2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check the continuity between condenser-2 harness connector and ground.
3. Also check harness for short to power.
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 CONDENSER
Refer to EC-322, "
Component Inspection (Condenser)"
Is the inspection result normal?
YES >> GO TO 6.
NG >> Replace condenser.
6.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-V
1. Reconnect all harness connectors disconnected.
2. Disconnect ignition coil harness connector.
3. Turn ignition switch ON.
4. Check the voltage between ignition coil harness connector and ground.
Condenser-2
Ground Voltage
Connector Terminal
F26 1 Ground Battery voltage
IPDM E/R Condenser-2
Continuity
Connector Terminal Connector Terminal
E43 3 F26 1 Existed
Condenser-2
Ground Continuity
Connector Terminal
F26 2 Ground Existed
Page 1670 of 5883
![NISSAN TIIDA 2007 Service Repair Manual IGNITION SIGNAL
EC-321
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Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair open circuit or short to ground or NISSAN TIIDA 2007 Service Repair Manual IGNITION SIGNAL
EC-321
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Is the inspection result normal?
YES >> GO TO 7.
NO >> Repair open circuit or short to ground or](/manual-img/5/57395/w960_57395-1669.png)
IGNITION SIGNAL
EC-321
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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 IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check the continuity between ignition coil harness connector and ground.
3. Also check harness for 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 IGNITION COIL OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check the continuity between ECM harness connector and ignition coil harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
9.CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to EC-322, "
Component Inspection (Ignition Coil with Power Transistor)".
Is the inspection result normal?
YES >> GO TO 10.
NO >> Replace malfunctioning ignition coil with power transistor.
10.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".
>> INSPECTION END
Ignition coil
Ground Voltage
Cylinder Connector Terminal
1F34 3
Ground Battery voltage 2F35 3
3F36 3
4F37 3
Ignition coil
Ground Continuity
Cylinder Connector Terminal
1F34 2
Ground Existed 2F35 2
3F36 2
4F37 2
Ignition coil ECM
Continuity
Cylinder Connector Terminal Connector Terminal
1F34 1
F1017
Existed 2F35 1 18
3F36 1 22
4F37 1 21
Page 1671 of 5883
![NISSAN TIIDA 2007 Service Repair Manual EC-322
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
IGNITION SIGNAL
Component Inspection (Ignition Coil with Power Transistor)
INFOID:0000000001671110
1.CHECK IGNITION COIL WITH POWER TRANSISTOR-I
NISSAN TIIDA 2007 Service Repair Manual EC-322
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
IGNITION SIGNAL
Component Inspection (Ignition Coil with Power Transistor)
INFOID:0000000001671110
1.CHECK IGNITION COIL WITH POWER TRANSISTOR-I](/manual-img/5/57395/w960_57395-1670.png)
EC-322
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IGNITION SIGNAL
Component Inspection (Ignition Coil with Power Transistor)
INFOID:0000000001671110
1.CHECK IGNITION COIL WITH POWER TRANSISTOR-I
1. Turn ignition switch OFF.
2. Disconnect ignition coil harness connector.
3. Check resistance between ignition coil terminals as follows.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace malfunctioning ignition coil with power transistor.
2.CHECK IGNITION COIL WITH POWER TRANSISTOR-II
CAUTION:
Do the following procedure in the place where ventilation is good without the combustible.
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Remove fuel pump fuse in IPDM E/R to release fuel pressure.
NOTE:
Do not use CONSULT-III to release fuel pressure, or fuel pressure applies again during the following pro-
cedure.
4. Start engine.
5. After engine stalls, crank it two or three times to release all fuel pressure.
6. Turn ignition switch OFF.
7. Remove all ignition coil harness connectors to avoid the electrical discharge from the ignition coils.
8. Remove ignition coil and spark plug of the cylinder to be checked.
9. Crank engine for 5 seconds or more to remove combustion gas in the cylinder.
10. Connect spark plug and harness connector to ignition coil.
11. Fix ignition coil using a rope etc. with gap of 13 - 17 mm (0.52 -
0.66 in) between the edge of the spark plug and grounded metal
portion as shown in the figure.
12. Crank engine for about three seconds, and check whether spark
is generated between the spark plug and the grounded metal
portion.
CAUTION:
Do not approach to the spark plug and the ignition coil
within 50 cm (19.7 in). Be careful not to get an electrical
shock while checking, because the electrical discharge
voltage becomes 20kV or more.
It might cause to damage the ignition coil if the gap of more than 17 mm 0.66 in) is taken.
NOTE:
When the gap is less than 13 mm (0.52 in), the spark might be generated even if the coil is mal-
functioning.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace malfunctioning ignition coil with power transistor.
Component Inspection (Condenser)INFOID:0000000001671111
1.CHECK CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser-2 harness connector.
Terminals Resistance [at 25°C (77°F)]
1 and 2 Except 0 or ∞ Ω
1 and 3
Except 0 Ω
2 and 3
Spark should be generated.
JMBIA0066GB
Page 1672 of 5883
IGNITION SIGNAL
EC-323
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3. Check resistance between condenser-2 terminals as follows.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace condenser.
Terminals Resistance
1 and 2 Above 1 MΩ [at 25°C (77°F)]