Nissan Leaf. Instruction — part 171
PRECAUTIONS
BR-5
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PRECAUTION
PRECAUTIONS
Precaution for Technicians Using Medical Electric
INFOID:0000000010122972
OPERATION PROHIBITION
WARNING:
• Parts with strong magnet is used in this vehicle.
• Technicians using a medical electric device such as pacemaker must never perform operation on the
vehicle, as magnetic field can affect the device function by approaching to such parts.
NORMAL CHARGE PRECAUTION
WARNING:
• If a technician uses a medical electric device such as an implantable cardiac pacemaker or an
implantable cardioverter defibrillator, the possible effects on the devices must be checked with the
device manufacturer before starting the charge operation.
• As radiated electromagnetic wave generated by PDM (Power Delivery Module) at normal charge
operation may affect medical electric devices, a technician using a medical electric device such as
implantable cardiac pacemaker or an implantable cardioverter defibrillator must not approach motor
room [PDM (Power Delivery Module)] at the hood-opened condition during normal charge operation.
PRECAUTION AT TELEMATICS SYSTEM OPERATION
WARNING:
• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),
avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-
rior/exterior antenna.
• The electromagnetic wave of TCU might affect the function of the implantable cardiac pacemaker or
the implantable cardioverter defibrillator (ICD), when using the service, etc.
• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-
able cardioverter defibrillator (ICD), the electromagnetic wave of TCU might affect the function of the
device. The possible effects on the devices must be checked with the device manufacturer before
TCU use.
PRECAUTION AT INTELLIGENT KEY SYSTEM OPERATION
WARNING:
• If a technician uses implantable cardiac pacemaker or implantable cardioverter defibrillator (ICD),
avoid the device implanted part from approaching within approximately 220 mm (8.66 in) from inte-
rior/exterior antenna.
• The electromagnetic wave of Intelligent Key might affect the function of the implantable cardiac
pacemaker or the implantable cardioverter defibrillator (ICD), at door operation, at each request
switch operation, or at engine starting.
• If a technician uses other medical electric devices than implantable cardiac pacemaker or implant-
able cardioverter defibrillator (ICD), the electromagnetic wave of Intelligent Key might affect the
function of the device. The possible effects on the devices must be checked with the device manu-
facturer before Intelligent Key use.
Point to Be Checked Before Starting Maintenance Work
INFOID:0000000010122973
The high voltage system may starts automatically. It is required to check that the timer air conditioner
and timer charge (during EVSE connection) are not set before starting maintenance work.
NOTE:
If the timer air conditioner or timer charge (during EVSE connection) is set, the high voltage system starts
automatically even when the power switch is in OFF state.
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000010122974
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
BR-6
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PRECAUTIONS
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 Instruction. 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.
Precaution for Removing 12V Battery
INFOID:0000000010122975
1. Check that EVSE is not connected.
NOTE:
If EVSE is connected, the air conditioning system may be automatically activated by the timer A/C func-
tion.
2. Turn the power switch OFF
→ ON → OFF. Get out of the vehicle. Close all doors (including back door).
3. Check that the charge status indicator lamp does not blink and wait for 5 minutes or more.
NOTE:
If the battery is removed within 5 minutes after the power switch is turned OFF, plural DTCs may be
detected.
4. Remove 12V battery within 1 hour after turning the power switch OFF
→ ON → OFF.
NOTE:
• The 12V battery automatic charge control may start automatically even when the power switch is in
OFF state.
• Once the power switch is turned ON
→ OFF, the 12V battery automatic charge control does not start for
approximately 1 hour.
CAUTION:
• After all doors (including back door) are closed, if a door (including back door) is opened before
battery terminals are disconnected, start over from Step 1.
• After turning the power switch OFF, if “Remote A/C” is activated by user operation, stop the air
conditioner and start over from Step 1.
Precaution for Procedure without Cowl Top Cover
INFOID:0000000010122976
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc to prevent damage to
windshield.
PIIB3706J
PRECAUTIONS
BR-7
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Precaution for Brake System
INFOID:0000000010122977
WARNING:
Since dust covering the front and rear brakes has an affect on human body, the dust must be removed
with a dust collector. Never splatter the dust with an air blow gun.
• Brake fluid use refer to
MA-16, "FOR USA AND CANADA : Fluids and Lubricants"
(United States and Can-
MA-17, "FOR MEXICO : Fluids and Lubricants"
(Mexico).
• Never reuse drained brake fluid.
• Never spill or splash brake fluid on painted surfaces. Brake fluid may seriously damage paint. Wipe it off
immediately and wash with water if it gets on a painted surface. For brake component parts, never wash
them with water.
• Always confirm the specified tightening torque when installing the brake pipes.
• After pressing the brake pedal more deeply or harder than normal driving, such as air bleeding, check each
item of brake pedal. Adjust brake pedal if it is outside the standard value.
• Always clean with new brake fluid when cleaning the brake caliper and other components.
• Never use mineral oils such as gasoline or light oil to clean. They may damage rubber parts and cause
improper operation.
• Always loosen the brake tube flare nut with a flare nut wrench.
• Tighten the brake tube flare nut to the specified torque with a crow-
foot (A) and torque wrench (B).
• Turn the power switch OFF to exit CONSULT, and disconnect
CONSULT from data link connector. Close all doors (including
back door), check that the room lamp is OFF, get out of the vehicle,
and wait for 3 minutes or more with all doors closed. Disconnect
the ABS actuator and electric unit (control unit) harness connector
or the 12V battery negative terminal before performing the work.
BR-6, "Precaution for Removing 12V Battery"
.
CAUTION:
Never operate the vehicle while waiting.
• Check that no brake fluid leakage is present after replacing the
parts.
• Burnish the brake contact surfaces after refinishing or replacing rotors, after replacing pads, or if a soft pedal
occurs at very low mileage.
- Front brake pad: Refer to
BR-496, "BRAKE PAD : Inspection and Adjustment"
.
- Front disc rotor: Refer to
BR-496, "DISC ROTOR : Inspection and Adjustment"
- Rear brake pad: Refer to
BR-498, "BRAKE PAD : Inspection and Adjustment"
- Rear disc rotor: Refer to
BR-498, "DISC ROTOR : Inspection and Adjustment"
.
• When the brake pedal is operated, an operating sound may be heard from the electrically-driven intelligent
brake unit. This occurs when the electrically-driven intelligent brake unit is operating sound and is not a mal-
function.
• When the brake pedal is depressed when the EV system is not started, the brake pedal will feel heavy and
the stroke will be shorter. When the unfamiliar feeling disappears and the brake warning lamp is OFF after
the brake pedal was depressed, then this is not a malfunction. When the brake warning lamp is ON, use
CONSULT and perform the “BRAKE” self diagnosis.
• When there is a malfunction in the power system of the electrically-driven intelligent brake unit (no voltage is
generated), voltage is temporarily supplied to the electrically-driven intelligent brake unit from the brake
power supply backup unit. At the same time, the brake warning lamp (red) and brake system warning lamp
(yellow) turn ON, and the warning buzzer sounds.
• When a malfunction occurs in the electrically-driven intelligent brake unit, the VDC function performs control
(boost operation).
• When a malfunction occurs in the PDM (Power Delivery Module) and 12V battery, the braking force is deter-
mined by the force pressing on the brake pedal (no boost operation). At the same time, the brake warning
lamp (red) and the brake system warning lamp (yellow) turns ON.
• When a malfunction occurs in the electrically-driven intelligent brake and in the VDC function, the braking
force is determined by the force pressing on the brake pedal (no boost operation). At the same time, the
brake warning lamp (red) and brake system warning lamp (yellow) turn ON.
• When a malfunction occurs in the electrically-driven intelligent brake, VDC function, and power system, then
cooperative regenerative brake control is not performed.
• When a malfunction occurs in the brake power supply backup unit, the brake system warning lamp (yellow)
turns ON.
JPFIA0001ZZ
BR-8
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PRECAUTIONS
Precaution for Harness Repair
INFOID:0000000010122978
• Solder the repair part, and wrap it with tape. [Twisted wire fray
must be 110 mm (4.33 in) or less.]
• Never bypass the repair point with wire. (If it is bypassed, the turn-
out point cannot be separated and the twisted wire characteristics
are lost.)
SKIB8766E
SKIB8767E
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