2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006  Factory Service Manual EC-598Revision: November 2009
FUEL INJECTOR
2006 QX56
FUEL INJECTORPFP:16600
Component DescriptionUBS00L1F
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the f

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INFINITI QX56 2006  Factory Service Manual FUEL INJECTOREC-599
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Revision: November 2009 2006 QX56
Wiring DiagramUBS00L1H
BBWA2124E

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INFINITI QX56 2006  Factory Service Manual EC-600Revision: November 2009
FUEL INJECTOR
2006 QX56
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not

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INFINITI QX56 2006  Factory Service Manual FUEL INJECTOREC-601
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Revision: November 2009 2006 QX56
2. CHECK OVERALL FUNCTION
  With CONSULT-II
1.  Start engine.
2. Perform  “POWER BALANCE ” in “ACTIVE TEST” mode

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INFINITI QX56 2006  Factory Service Manual EC-602Revision: November 2009
FUEL INJECTOR
2006 QX56
3. CHECK FUEL INJECTOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuel injector harness connector.
3. Turn ignition switch ON

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INFINITI QX56 2006  Factory Service Manual FUEL INJECTOREC-603
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6. CHECK FUEL INJECTOR
Refer to  EC-603, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace fuel injector.

Page 1815 of 3383

INFINITI QX56 2006  Factory Service Manual EC-604Revision: November 2009
FUEL PUMP
2006 QX56
FUEL PUMPPFP:17042
DescriptionUBS00HDB
SYSTEM DESCRIPTION
*: ECM determines the start signal status by the signals of engine speed and battery voltage

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INFINITI QX56 2006  Factory Service Manual FUEL PUMPEC-605
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Revision: November 2009 2006 QX56
Wiring DiagramUBS00HDD
BBWA1714E