2005 NISSAN NAVARA Repair Workshop Manual

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Page 1065 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual DTC P0088 FUEL SYSTEM
EC-85
C
D
E
F
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EC
3.CHECK FUEL PUMP
Refer toEC-221, "
Component Inspection".
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4.REPLACE FUEL PUMP
1. Replace fuel pump.
2. Per

Page 1066 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual EC-86
DTC P0089 FUEL PUMP
DTC P0089 FUEL PUMP
PFP:16700
On Board Diagnosis LogicEBS01KDM
The MI will not light up for this self-diagnosis.
NOTE:
If DTC P0089 is displayed with DTC P0652 or P0653, firs

Page 1067 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual DTC P0089 FUEL PUMP
EC-87
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Diagnostic ProcedureEBS01KDO
1.PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused b

Page 1068 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual EC-88
DTC P0093 FUEL SYSTEM
DTC P0093 FUEL SYSTEM
PFP:17520
On Board Diagnosis LogicEBS01KDQ
NOTE:
If DTC P0093 is displayed with DTC P0652 or P0653, first perform the trouble diagnosis for DTC P0652

Page 1069 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual DTC P0093 FUEL SYSTEM
EC-89
C
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MA
EC
Diagnostic ProcedureEBS01KDS
1.PERFORM FUEL PUMP LEARNING VALUE CLEARING
NOTE:
If the DTC is detected because of air mixed with fuel (i.e.: caused

Page 1070 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual EC-90
DTC P0093 FUEL SYSTEM
5.REPLACE FUEL PUMP
1. Replace fuel pump.
2. Perform Fuel Pump Learning Value Clearing. Refer toEC-24, "
Fuel Pump Learning Value Clearing".
>>INSPECTION END
Component Insp

Page 1071 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual DTC P0093 FUEL SYSTEM
EC-91
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EC
Removal and InstallationEBS01KDU
FUEL RAIL
Refer toEM-44, "INJECTION TUBE AND FUEL INJECTOR".
FUEL PUMP
Refer toEM-49, "FUEL PUMP".

Page 1072 of 3171

NISSAN NAVARA 2005 Repair Workshop Manual EC-92
DTC P0102, P0103 MAF SENSOR
DTC P0102, P0103 MAF SENSOR
PFP:22680
Component DescriptionEBS01KDV
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake flow ra

EC-92
DTC P0102, P0103 MAF SENSOR
DTC P0102, P0103 MAF SENSOR
PFP:22680
Component DescriptionEBS01KDV
The mass air flow sensor (1) is placed in the stream of intake air. It
measures the intake flow rate by measuring a part of the entire
intake flow. The mass air flow sensor controls the temperature of the
hot wire to a certain amount. The heat generated by the hot wire is
reduced as the intake air flows around it. The more air, the greater
the heat loss.
Therefore, the electric current supplied to hot wire is changed to
maintain the temperature of the hot wire as air flow increases. The
ECM detects the air flow by means of this current change.
CONSULT-II Reference Value in Data Monitor ModeEBS01KDW
Specification data are reference values.
*: This signal is converted by ECM internally. Thus, it differs from ECM terminal voltage.
ECM Terminals and Reference ValueEBS01KDX
Specification data are reference values, and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
PBIA9559J
MONITOR ITEM CONDITION SPECIFICATION
MAS AIR/FL SE*
lEngine: After warming up
lAir conditioner switch: OFF
lShift lever: P or N (A/T), Neutral (M/T)
lNo loadIgnition switch: ON
(Engine stopped)Approximately 0.4V
Idle 1.3 - 1.7V
Engine is revving from idle to
about 4,000 rpm.1.3 - 1.7V to Approximately 4.0V
(Check for liner voltage rise in
response to engine being
increased to about 4,000 rpm)
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage)
54 G Mass air flow sensor[Ignition switch: ON]Approximately 0.7V
[Engine is running]
lWarm-up condition
lIdle speed1.6 - 2.0V
[Engine is running]
lWarm-up condition
lEngine is revving from idle to about 4,000 rpm.1.6 - 2.0V to Approximately 4.3V
(Check for liner voltage rise in
response to engine being
increased to about 4,000 rpm)
67 —Sensor ground
(Sensor shield circuit)[Engine is running]
lWarm-up condition
lIdle speedApproximately 0.3V
73 BMass air flow sensor
ground[Ignition switch ON]Approximately 0.3V

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