2007 NISSAN TIIDA Service Repair Manual

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Page 1953 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-604
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
FUEL INJECTOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace malfunctioning fuel injector.
Terminals Resistance [at 10 -

Page 1954 of 5883

NISSAN TIIDA 2007 Service Repair Manual FUEL PUMP
EC-605
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
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FUEL PUMP
DescriptionINFOID:0000000001693435
*: ECM determines the start signal status by the signal

FUEL PUMP
EC-605
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
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FUEL PUMP
DescriptionINFOID:0000000001693435
*: 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:0000000001693436
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-605, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001693437
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 aboveSto ps .
Fuel pressure pulsation should be felt on the fuel feed
hose for 1 second after ignition switch is turned ON.
ALBIA0276ZZ
(+) (–)
Vo l ta g e
Connector Terminal Connector Terminal
F10 23 E16 108 Battery voltage

Page 1955 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-606
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
FUEL PUMP
1. Turn ignition switch OFF.
2. Disconnect IDPDM E/R harness connector.
3. Check the continuity between IPDM E/R harness connector a

Page 1956 of 5883

NISSAN TIIDA 2007 Service Repair Manual FUEL PUMP
EC-607
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
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NO >> GO TO 7.
7.DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E7, M69, M12,

Page 1957 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-608
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
HO2S1
HO2S1
DescriptionINFOID:0000000001697491
The heated oxygen sensor 1 is placed into the exhaust manifold. It
detects the amount of oxygen

Page 1958 of 5883

NISSAN TIIDA 2007 Service Repair Manual HO2S1
EC-609
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4. Keep the engine speed at 2,000 rpm under no load, and make
sure that the MI comes ON more than five t

Page 1959 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-610
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
HO2S1
2. Disconnect heated oxygen sensor 1 harness connector.
3. Disconnect ECM harness connector.
4. Check harness continuity between HO2S1 h

Page 1960 of 5883

NISSAN TIIDA 2007 Service Repair Manual HO2S1
EC-611
< COMPONENT DIAGNOSIS >[HR16DE (WITHOUT EURO-OBD)]
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Component InspectionINFOID:0000000001697494
1.INSPECTION START
Do you have CONSULT-III?
Do you have CONS

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