Nissan GT-R. Instruction — part 226
MWI
THE AMBIENT TEMPERATURE DISPLAY IS INCORRECT
MWI-63
< SYMPTOM DIAGNOSIS >
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THE AMBIENT TEMPERATURE DISPLAY IS INCORRECT
Description
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• The displayed ambient air temperature is higher than the actual temperature.
• The displayed ambient air temperature is lower than the actual temperature.
Diagnosis Procedure
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NOTE:
Before starting diagnosis, check if the symptom is applicable to the “Symptom by normal operation”. Refer to
MWI-64, "INFORMATION DISPLAY : Description"
1.
CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
Perform the A/C auto amp. connection recognition signal circuit inspection. Refer to
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the harnesses or connectors.
2.
CHECK AMBIENT SENSOR SIGNAL CIRCUIT
Perform the ambient sensor signal circuit inspection. (This work is recommended to be performed by NHPC.)
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the harnesses or connectors.
3.
CHECK AMBIENT SENSOR
Perform the unit inspection of ambient sensor. (This work is recommended to be performed by NHPC.)
Is the inspection result normal?
YES
>> Replace the combination meter.
NO
>> Replace the ambient sensor.
MWI-64
< SYMPTOM DIAGNOSIS >
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
INFORMATION DISPLAY
INFORMATION DISPLAY : Description
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OIL LEVEL DISPLAY
After mounting/removing of battery or combination meter, the combination meter power supply is cut off tem-
porarily. Therefore, the engine oil amount data may be erased from the combination meter, causing the oil
level to be not displayed. Refer to
MWI-26, "INFORMATION DISPLAY : System Description"
that the combination meter reads the resistance of oil level sensor.
AMBIENT AIR TEMPERATURE
For the ambient air temperature display, the value is displayed on the information display after the signal from
ambient sensor is corrected by the combination meter. Therefore, the indication value may not match the
actual ambient air temperature. Refer to
MWI-26, "INFORMATION DISPLAY : System Description"
for details
on the correction process.
POSSIBLE DRIVING DISTANCE
The calculated distance to empty may differ from the actual distance to empty if the refueling amount is
approximately 15 (4 US gal, 3-1/4 lmp gal) or less. This is because the refuel control (moves the fuel gauge
needle quicker than normal judging that the driver is refueling the vehicle) is not performed in such a case.
MWI
PRECAUTIONS
MWI-65
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Working Range at a Regular Dealership
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CAUTION:
The service items unmentioned on this instruction are recommended to be performed by a GT-R certified
NISSAN dealer. Because those service items require special equipment and a GT-R certified technical
staff who completed special training.
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 “SRS AIR BAG” and “SEAT BELT” of this
Instruction.
WARNING:
Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that 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 “SRS AIR BAG”.
• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-
vice Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, never 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 3 minutes before performing any service.
Precaution for Battery Service
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Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
MWI-66
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Commercial Service Tools
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Tool name
Description
Power tool
Loosening screws
PBIC0191E
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