2011 NISSAN LATIO Service Repair Manual

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Page 1737 of 3787

NISSAN LATIO 2011 Service Repair Manual IGNITION SIGNALEC-443
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Wiring DiagramINFOID:0000000005930131
BBWA2658E
Revision: May 2010
2011 Versa

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NISSAN LATIO 2011 Service Repair Manual EC-444
< COMPONENT DIAGNOSIS >[HR16DE]
IGNITION SIGNAL
Diagnosis Procedure
INFOID:0000000005930132
1.CHECK IGNITION COIL POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF, wait at least 10 seconds an

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NISSAN LATIO 2011 Service Repair Manual IGNITION SIGNALEC-445
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2. Check the voltage between ECM harness connector and
ground.
Is the inspection result normal?
YES >> GO TO 2.
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NISSAN LATIO 2011 Service Repair Manual EC-446
< COMPONENT DIAGNOSIS >[HR16DE]
IGNITION SIGNAL
3. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair open circuit or short to ground or short

Page 1741 of 3787

NISSAN LATIO 2011 Service Repair Manual IGNITION SIGNALEC-447
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3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 10.
N

IGNITION SIGNALEC-447
< COMPONENT DIAGNOSIS > [HR16DE]
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3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
10.CHECK IGNITION COIL WITH POWER TRANSISTOR
Refer to EC-447, "
Component Inspection (Ignition Coil with Power Transistor)".
Is the inspection result normal?
YES >> GO TO 11.
NO >> Replace malfunctioning ignition coil with power transistor. Refer to EM-46, "
Exploded View".
11 .CHECK INTERMITTENT INCIDENT
Refer to EC-122, "
Diagnosis Procedure".
>> INSPECTION END
Component Inspection (Ignition Coil with Power Transistor)INFOID:0000000005930133
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 per the fol- lowing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace malfunctioning ignition coil with power transis- tor. Refer to EM-46, "
Exploded View".
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.
Ignition coil ECM
Continuity
Cylinder Connector Terminal Connector Terminal
1F34 1
F1417
Existed
2F35 1
18
3F36 1 22
4F37 1 21
Terminals Resistance [Ω at 25° C (77°F)]
1 and 2 Except 0 or ∞
1 and 3 Except 0
2 and 3
PBIB0847E
Revision: May 2010 2011 Versa

Page 1742 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-448
< COMPONENT DIAGNOSIS >[HR16DE]
IGNITION SIGNAL
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) be

Page 1743 of 3787

NISSAN LATIO 2011 Service Repair Manual MALFUNCTION INDICATOR LAMPEC-449
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MALFUNCTION INDICATOR LAMP
DescriptionINFOID:0000000005930135
The Malfunction Indicator Lamp (MIL) is

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NISSAN LATIO 2011 Service Repair Manual EC-450
< COMPONENT DIAGNOSIS >[HR16DE]
MALFUNCTION INDICATOR LAMP
Wiring Diagram
INFOID:0000000005930137
ABBWA0353GB
Revision: May 2010 2011 Versa

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