2008 INFINITI FX35 Service Manual

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Page 1817 of 3924

INFINITI FX35 2008 Service Manual
IGNITION SIGNALEC-577
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Harness for open or short between condenser and IPDM E/R
>> Repair open circuit or short to ground or short to

Page 1818 of 3924

INFINITI FX35 2008 Service Manual
EC-578
< SERVICE INFORMATION >[VQ35DE]
IGNITION SIGNAL
Refer to Wiring Diagram.
3. Also check harness for short to power.
OK or NG
OK >> GO TO 14.
NG >> GO TO 13.
13.DETECT MALFUNCTIONING PART
Check

Page 1819 of 3924

INFINITI FX35 2008 Service Manual
IGNITION SIGNALEC-579
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3. Check resistance between ignition coil terminals as follows.
4. If NG, Replace ignition coil with power trans

IGNITION SIGNALEC-579
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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-III 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 spar k plug and the ignition coil
within 50cm. Be careful not to get an electrical shock
while checking, because the el ectrical 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.
CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Check resistance between condenser terminals 1 and 2.
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
Resistance: Above 1 M Ω [at 25 °C (77 °F)]
PBIB0794E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1820 of 3924

INFINITI FX35 2008 Service Manual
EC-580
< SERVICE INFORMATION >[VQ35DE]
IGNITION SIGNAL
Removal and Installation
INFOID:0000000001326459
IGNITION COIL WITH POWER TRANSISTOR
Refer to EM-42.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A

Page 1821 of 3924

INFINITI FX35 2008 Service Manual
REFRIGERANT PRESSURE SENSOREC-581
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REFRIGERANT PRESSURE SENSOR
Component DescriptionINFOID:0000000001326460
The refrigerant pressure se

Page 1822 of 3924

INFINITI FX35 2008 Service Manual
EC-582
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REFRIGERANT PRESSURE SENSOR
Wiring Diagram
INFOID:0000000001326461
Specification data are reference values and are measured between each terminal and ground.
CA

Page 1823 of 3924

INFINITI FX35 2008 Service Manual
REFRIGERANT PRESSURE SENSOREC-583
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Diagnosis ProcedureINFOID:0000000001326462
1.CHECK REFRIGERANT PRESSURE
SENSOR OVERALL FUNCTION
1.

Page 1824 of 3924

INFINITI FX35 2008 Service Manual
EC-584
< SERVICE INFORMATION >[VQ35DE]
REFRIGERANT PRESSURE SENSOR
1. Disconnect refrigerant pressu
re sensor harness connector.
2. Turn ignition switch ON.
3. Check voltage between refrigerant press

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