Nissan Pathfinder (2008 year). Manual — part 502
MWI
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
MWI-87
< ECU DIAGNOSIS >
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DTC Index
INFOID:0000000001712785
NOTE:
The details of TIME display are as follows.
• CRNT: The malfunctions that are detected now
• 1 - 39: The number is indicated when it is normal at present and a malfunction was detected in the past. It
increases like 0
→
1
→
2 ··· 38
→
39 after returning to the normal condition whenever IGN OFF
→
ON. It is
fixed to 39 until the self-diagnosis results are erased if it is over 39. It returns to 0 when a malfunction is
detected again in the process.
CONSULT-III display
Fail-safe
TIME
NOTE
Refer to
No DTC is detected.
further testing
may be required.
—
—
—
—
U1000: CAN COMM CIRCUIT
×
CRNT
1 – 39
MWI-88
< SYMPTOM DIAGNOSIS >
THE FUEL GAUGE POINTER DOES NOT MOVE
SYMPTOM DIAGNOSIS
THE FUEL GAUGE POINTER DOES NOT MOVE
Description
INFOID:0000000001702304
Fuel gauge needle will not move from a certain position.
Diagnosis Procedure
INFOID:0000000001702305
1.
CHECK COMBINATION METER INPUT SIGNAL
1.
Select “METER/M&A” on CONSULT-III.
2.
Using “FUEL METER” of “DATA MONITOR”, compare the monitor value with the fuel gauge reading on
the combination meter. Refer to
MWI-32, "Component Function Check"
Does monitor value match fuel gauge reading?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-94, "Removal and Installation"
2.
CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT
Check the fuel level sensor signal circuit. Refer to
.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK FUEL LEVEL SENSOR UNIT
Perform a unit check for the fuel level sensor unit. Refer to
MWI-33, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Replace fuel level sensor unit. Refer to
FL-11, "Removal and Installation"
4.
CHECK FLOAT INTERFERENCE
Check that the float arm does not interfere or bind with any of the components in the fuel tank.
Is the inspection result normal?
YES
>> Replace combination meter. Refer to
MWI-94, "Removal and Installation"
NO
>> Repair or replace malfunctioning parts.
MWI
THE FUEL GAUGE POINTER DOES NOT MOVE TO "F" WHEN REFUELING
MWI-89
< SYMPTOM DIAGNOSIS >
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THE FUEL GAUGE POINTER DOES NOT MOVE TO "F" WHEN REFUEL-
ING
Description
INFOID:0000000001702306
The fuel gauge needle will not move to “F” position when refueling.
Diagnosis Procedure
INFOID:0000000001702307
1.
OBSERVE FUEL GAUGE
Does it take a long time for the pointer to move to FULL position?
YES or NO
YES
>> GO TO 2
NO
>> GO TO 3
2.
IDENTIFY FUELING CONDITION
Was the vehicle fueled with the ignition switch ON?
YES or NO
YES
>> Be sure to fuel the vehicle with the ignition switch OFF. Otherwise, it will take a long time to move
to FULL position because of the characteristic of the fuel gauge.
NO
>> GO TO 3
3.
OBSERVE VEHICLE POSITION
Is the vehicle parked on an incline?
YES or NO
YES
>> Check the fuel level indication with vehicle on a level surface.
NO
>> GO TO 4
4.
OBSERVE FUEL GAUGE POINTER
During driving, does the fuel gauge pointer move gradually toward EMPTY position?
YES or NO
YES
>> Check the components. Refer to
MWI-33, "Component Inspection"
.
NO
>> The float arm may interfere or bind with any of the components in the fuel tank.
MWI-90
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000001702308
The oil pressure warning lamp stays off when the ignition switch is turned ON.
Diagnosis Procedure
INFOID:0000000001702309
1.
CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to
PCS-10, "Diagnosis Description"
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-94, "Removal and Installation"
2.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair harness or connector.
3.
CHECK OIL PRESSURE SWITCH UNIT
Perform a unit check for the oil pressure switch. Refer to
MWI-34, "Component Inspection"
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation of IPDM E/R"
.
NO
>> Replace oil pressure switch.
MWI
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
MWI-91
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000001702310
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).
Diagnosis Procedure
INFOID:0000000001702311
1.
CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to
PCS-10, "Diagnosis Description"
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-94, "Removal and Installation"
2.
CHECK IPDM E/R OUTPUT VOLTAGE
1.
Turn ignition switch OFF.
2.
Disconnect the oil pressure switch connector.
3.
Turn ignition switch ON.
4.
Check voltage between the oil pressure switch harness connec-
tor E208 (VQ40DE) or F4 (VK56DE) terminal 1 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> GO TO 4
3.
CHECK OIL PRESSURE SWITCH
Perform a unit check for the oil pressure switch. Refer to
MWI-34, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation of IPDM E/R"
.
NO
>> Replace oil pressure switch.
4.
CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation of IPDM E/R"
.
NO
>> Repair harness or connector.
1 – Ground
: Approx. 12V
PKIC1144E
MWI-92
< SYMPTOM DIAGNOSIS >
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
COMPASS
COMPASS : Description
INFOID:0000000001702322
COMPASS
• The electronic compass is highly protected from changes in most magnetic fields. However, some large
changes in magnetic fields can affect it. Some examples are (but not limited to): high tension power lines,
large steel buildings, subways, steel bridges, automatic car washes, large piles of scrap metal, etc. While
this does not happen very often, it is possible.
• During normal operation, the Compass Mirror will continuously update the compass calibration to adjust for
gradual changes in the vehicle's magnetic "remnant" field. If the vehicle is subjected to high magnetic influ-
ences, the compass may appear to indicate false headings, become locked, or appear that it is unable to be
calibrated. If this occurs, perform the calibration procedure.
• If at any time the compass continually displays the incorrect direction or the reading is erratic or locked, ver-
ify the correct zone variance.
Symptom Chart
Symptom
Cause
Solution / Reference
The compass display reads "C".
• Compass is not calibrated.
• Incorrect zone variance setting.
• Large change in magnetic field (Steel
bridges, subways, concentrations of
metal, car washes, etc.)
• Compass was calibrated incorrectly or
in the presence of a strong magnetic
field.
Perform Calibration. Refer to
.
Compass shows the wrong direction.
Compass does not change direction ap-
pears "Locked".
Compass does not show all the directions,
one or more is missing.
The compass was calibrated but it "loses"
calibration.
On long trips the compass shows the
wrong direction.
Perform Zone Variation Setting if correct
reading is desired in that location. Refer to
MWI
PRECAUTIONS
MWI-93
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSION-
ER"
INFOID:0000000001702323
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
MWI-94
< ON-VEHICLE REPAIR >
COMBINATION METER
ON-VEHICLE REPAIR
COMBINATION METER
Removal and Installation
INFOID:0000000001678362
REMOVAL
1.
Disconnect the negative battery terminal.
2.
Remove the cluster lid A, using power tool. Refer to
IP-10, "Removal and Installation"
.
3.
Remove the combination meter screws, using power tool.
4.
Pull out the combination meter and disconnect the combination meter electrical connector.
INSTALLATION
Installation is in the reverse order of removal.
1.
Combination meter
2.
Combination meter screws
3.
Cluster lid A
4.
Ignition key lamp assembly
5.
Steering lock escutcheon
6.
Cluster lid A screws
WIIA1053E
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