2009 NISSAN ALTIMA HYBRID fuel

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About the Nissan Altima Hybrid

There are two power sources stored on board that are used to drive the vehicle:
• Gasoline is stored in a fuel tank and is used to supply the gasoline engine.
• Electricity is stored in a high voltage battery and is used to power the traction motor.

The result of combining these two power sources is improved fuel economy and reduced emissions. The
gasoline engine also powers an electric generator to recharge the high voltage battery; unlike an entirely
electric vehicle, the Altima Hybrid never needs to be recharged from an external electric power source.

Depending on the driving conditions, one or both sources are used to drive the vehicle. The following
information explains how the Altima Hybrid operates in various driving modes:
1. During light acceleration at low speeds, the vehicle is driven by the traction motor. The gasoline engine
is shut off.

2. During normal driving, the vehicle is driven mainly by the gasoline engine. The gasoline engine also
powers the generator to recharge the high voltage battery.

3. During full acceleration, such as climbing a hill, both the gasoline engine and the traction motor drive
the vehicle.
4. During deceleration, such as when braking, the vehicle converts kinetic energy from the front wheels to
electricity that will recharge the high voltage battery.
5. While the vehicle is stopped, such as at a stoplight, both the gasoline engine and the traction motor are
off, however the vehicle remains operational.

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DANGER:
•
The high voltage system may remain powered for up to 10 minutes after the vehicle is disabled.
•
To prevent serious injury or death from electrical shock avoid touching, cutting, or breaching any
orange high voltage power cable or high voltage component while the system discharges.
WARNING:
• The SRS may remain powered for up to 3 minutes after the vehicle is disabled.
• To prevent serious injury or death from unintentional SRS deployment, avoid crushing, cutting, or
breaching the SRS components.
• If the disabling procedures cannot be performed completely, proceed with caution as there is no
assurance that the high voltage electrical system, SRS, or fuel pump are disabled.
4. Remove the service disconnect by performing the following as shown:

a. Open the access panel inside the trunk to access the service disconnect.

b. Pull upward (1) on the service disconnect handle and then rotate the handle downward (2).
c. Pull outward (3) on the service disconnect handle to remove the service disconnect from the
battery.
d. Wait 3 minutes before handling SRS system components and 10 minutes before handling high
voltage system components while the system discharges

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DANGER:
•
The high voltage system may remain powered for up to 10 minutes after the vehicle is disabled.
•
To prevent serious injury or death from electrical shock avoid touching, cutting, or breaching any
orange high voltage power cable or high voltage component while the system discharges.
WARNING:
• The SRS may remain powered for up to 3 minutes after the vehicle is disabled.
• To prevent serious injury or death from unintentional SRS deployment, avoid crushing, cutting, or
breaching the SRS components.
• If the disabling procedures cannot be performed completely, proceed with caution as there is no
assurance that the high voltage electrical system, SRS, or fuel pump are disabled.
Alternative High Voltage System Shut Down Procedure

NOTE:
If the service disconnect procedure cannot be performed, the following alternative shut down procedure is
acceptable.
1. Locate the fuse/fusible link box (1) under the hood near
the driver side strut tower (2).
• : Vehicle Front










2. Remove the fuse/fusible link box cover and remove the
IGCT 50 amp fusible link (1) from the fuse/fusible link
box (2). If the correct fuse cannot be recognized, pull all
the fuses in the fuse/fusible link box.