2005 INFINITI FX35 Service Manual

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Page 2049 of 4731

INFINITI FX35 2005 Service Manual EC-656
[VQ35DE]
IGNITION SIGNAL
Revision: 2005 July 2005 FX
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Turn ignition sw

Page 2050 of 4731

INFINITI FX35 2005 Service Manual IGNITION SIGNAL EC-657
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Revision: 2005 July 2005 FX
8. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness

Page 2051 of 4731

INFINITI FX35 2005 Service Manual EC-658
[VQ35DE]
IGNITION SIGNAL
Revision: 2005 July 2005 FX
12. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition coil t

Page 2052 of 4731

INFINITI FX35 2005 Service Manual IGNITION SIGNAL EC-659
[VQ35DE]
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Revision: 2005 July 2005 FX
Component InspectionABS006Y7
IGNITION COIL WITH POWER TRANSISTOR
CAUTION:
Do the following procedur

IGNITION SIGNAL EC-659
[VQ35DE]
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Revision: 2005 July 2005 FX
Component InspectionABS006Y7
IGNITION COIL WITH POWER TRANSISTOR
CAUTION:
Do the following procedure in the place where ventilation is good without the combustible.
1. Turn ignition switch OFF.
2. Disconnect ignition coil harness connector.
3. Check resistance between ignition coil terminals as follows.
4. If NG, Replace ignition coil with power transistor. If OK, go to next step.
5. Turn ignition switch OFF.
6. Reconnect all harness connectors disconnected.
7. Remove fuel pump fuse in IPDM E/R to release fuel pressure.
NOTE:
Do not use CONSULT-II to release fuel pressure, or fuel pres-
sure applies again during the following procedure.
8. Start engine.
9. After engine stalls, crank it 2 or 3 times to release all fuel pres- sure.
10. Turn ignition switch OFF.
11. Remove ignition coil harness connectors to avoid the electrical discharge from the ignition coils.
12. Remove ignition coil and spark plug of the cylinder to be checked.
13. Crank engine for 5 seconds or more to remove combustion gas in the cylinder.
14. Connect spark plug and harness connector to ignition coil.
15. Fix ignition coil using a rope etc. with gap of 13 - 17 mm between the edge of the spark plug and grounded metal portion
as shown in the figure.
16. Crank engine for about three seconds, and check whether spark is generated between the spark plug and the grounded part.
CAUTION:
Do not approach to the spark plug and the ignition coil
within 50cm. 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 17 mm or more is taken.
NOTE:
When the gap is 13 mm or less, the spark might be generated even if the coil is malfunctioning.
17. If NG, Replace ignition coil with power transistor.
Terminal No. (Polarity) Resistance Ω [at 25 °C (77 °F)]
1 and 2 Except 0 or ∞
1 and 3 Except 0
2 and 3
Spark should be generated.
PBIB0847E
PBIB1603E
PBIB2325E

Page 2053 of 4731

INFINITI FX35 2005 Service Manual EC-660
[VQ35DE]
IGNITION SIGNAL
Revision: 2005 July 2005 FX
CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Check resistance between condenser terminals 1 and 2.

Page 2054 of 4731

INFINITI FX35 2005 Service Manual INJECTOR CIRCUIT EC-661
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Revision: 2005 July 2005 FX
INJECTOR CIRCUITPFP:16600
Component DescriptionABS006Y9
The fuel injector is a small, precise solen

Page 2055 of 4731

INFINITI FX35 2005 Service Manual EC-662
[VQ35DE]
INJECTOR CIRCUIT
Revision: 2005 July 2005 FX
Wiring DiagramABS006YB
TBWM0310E

Page 2056 of 4731

INFINITI FX35 2005 Service Manual INJECTOR CIRCUIT EC-663
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Revision: 2005 July 2005 FX
Specification data are reference values and are measured between each terminal and ground.
Pulse s

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