2007 INFINITI FX35 Service Manual

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Page 2033 of 4366

INFINITI FX35 2007 Service Manual IGNITION SIGNAL EC-657
[VQ35DE]
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EC
Revision: 2006 July 2007 FX35/FX45
3. CHECK OVERALL FUNCTION
Without CONSULT-II
1. Let engine idle.
2. Read the voltage signa

Page 2034 of 4366

INFINITI FX35 2007 Service Manual EC-658
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 July 2007 FX35/FX45
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Turn igni

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INFINITI FX35 2007 Service Manual IGNITION SIGNAL EC-659
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Revision: 2006 July 2007 FX35/FX45
8. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check

Page 2036 of 4366

INFINITI FX35 2007 Service Manual EC-660
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 July 2007 FX35/FX45
12. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition

Page 2037 of 4366

INFINITI FX35 2007 Service Manual IGNITION SIGNAL EC-661
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Revision: 2006 July 2007 FX35/FX45
Component InspectionNBS003ZC
IGNITION COIL WITH POWER TRANSISTOR
CAUTION:
Do the following p

IGNITION SIGNAL EC-661
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Revision: 2006 July 2007 FX35/FX45
Component InspectionNBS003ZC
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 two or three times to release all fuel pressure.
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 3 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 more than 17 mm is taken.
NOTE:
When the gap is less than 13 mm or less, the spark might be generated even if the coil is malfunc-
tioning.
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

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INFINITI FX35 2007 Service Manual EC-662
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 July 2007 FX35/FX45
CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Check resistance between condenser terminals 1

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INFINITI FX35 2007 Service Manual REFRIGERANT PRESSURE SENSOR EC-663
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Revision: 2006 July 2007 FX35/FX45
REFRIGERANT PRESSURE SENSORPFP:92136
Component DescriptionNBS003ZQ
The refrigeran

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INFINITI FX35 2007 Service Manual EC-664
[VQ35DE]
REFRIGERANT PRESSURE SENSOR
Revision: 2006 July 2007 FX35/FX45
Wiring DiagramNBS003ZR
TBWM0312E

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