2006 INFINITI M35 Factory Service Manual

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Page 2217 of 5621

INFINITI M35 2006 Factory Service Manual EC-674
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 January2006 M35/M45
5. CHECK IGNITION COIL POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
3. Turn igniti

Page 2218 of 5621

INFINITI M35 2006 Factory Service Manual IGNITION SIGNAL
EC-675
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Revision: 2006 January2006 M35/M45
8. CHECK CONDENSER GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continui

Page 2219 of 5621

INFINITI M35 2006 Factory Service Manual EC-676
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 January2006 M35/M45
12. CHECK IGNITION COIL GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Check harness continuity between ignition c

Page 2220 of 5621

INFINITI M35 2006 Factory Service Manual IGNITION SIGNAL
EC-677
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Revision: 2006 January2006 M35/M45
Component InspectionNBS0057R
IGNITION COIL WITH POWER TRANSISTOR
CAUTION:
Do the following procedure in the

IGNITION SIGNAL
EC-677
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Revision: 2006 January2006 M35/M45
Component InspectionNBS0057R
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 (1) in IPDM E/R (2) to release fuel pres-
sure.
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 all ignition coil harness connectors to avoid the electri-
cal 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 metal
portion.
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, the spark might be generated even if the coil is malfunctioning.
17. If NG, replace ignition coil with power transistor.
CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser harness connector.
Terminal No. (Polarity) Resistance [at 25C (77F)]
1 and 2 Except 0 or
1 and 3
Except 0
2 and 3
Spark should be generated.
PBIB0847E
PBIB2697E
PBIB2325E

Page 2221 of 5621

INFINITI M35 2006 Factory Service Manual EC-678
[VQ35DE]
IGNITION SIGNAL
Revision: 2006 January2006 M35/M45
3. Check resistance between condenser terminals 1 and 2.
Removal and InstallationNBS0057S
IGNITION COIL WITH POWER TRANSISTOR
Refer t

Page 2222 of 5621

INFINITI M35 2006 Factory Service Manual FUEL INJECTOR
EC-679
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Revision: 2006 January2006 M35/M45
FUEL INJECTORPFP:16600
Component DescriptionNBS0057T
The fuel injector is a small, precise solenoid v

Page 2223 of 5621

INFINITI M35 2006 Factory Service Manual EC-680
[VQ35DE]
FUEL INJECTOR
Revision: 2006 January2006 M35/M45
Wiring DiagramNBS0057V
TBWT0996E

Page 2224 of 5621

INFINITI M35 2006 Factory Service Manual FUEL INJECTOR
EC-681
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Revision: 2006 January2006 M35/M45
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is me

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