Nissan Xterra. Manual — part 523
MWI
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
MWI-79
< SYMPTOM DIAGNOSIS >
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THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000009483236
The oil pressure warning lamp stays off when the ignition switch is turned ON.
Diagnosis Procedure
INFOID:0000000009483237
1.
CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to
PCS-9, "Diagnosis Description"
.
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-84, "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-36, "Component Inspection"
.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
.
NO
>> Replace oil pressure switch.
MWI-80
< SYMPTOM DIAGNOSIS >
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF
Description
INFOID:0000000009483238
The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure).
Diagnosis Procedure
INFOID:0000000009483239
Regarding Wiring Diagram information, refer to
.
1.
CHECK OIL PRESSURE WARNING LAMP
Perform IPDM E/R auto active test. Refer to
PCS-9, "Diagnosis Description"
.
Is oil pressure warning lamp illuminated?
YES
>> GO TO 2
NO
>> Replace combination meter. Refer to
MWI-84, "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 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-36, "Component Inspection"
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-27, "Removal and Installation"
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-27, "Removal and Installation"
NO
>> Repair harness or connector.
1 – Ground
: Approx. 12V
PKIC1144E
MWI
NORMAL OPERATING CONDITION
MWI-81
< SYMPTOM DIAGNOSIS >
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NORMAL OPERATING CONDITION
COMPASS
COMPASS : Description
INFOID:0000000009483240
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.
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-82
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010208477
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.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
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