Nissan Note E12. Manual — part 469
PCS
PRECAUTIONS
PCS-3
< PRECAUTION >
[IPDM E/R]
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009607429
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. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
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.
PCS-4
< SYSTEM DESCRIPTION >
[IPDM E/R]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
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1.
IPDM E/R
A. Engine compartment (LH)
AWMIA1435ZZ
PCS
SYSTEM
PCS-5
< SYSTEM DESCRIPTION >
[IPDM E/R]
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SYSTEM
RELAY CONTROL SYSTEM
RELAY CONTROL SYSTEM : System Description
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SYSTEM DIAGRAM
DESCRIPTION
IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.
CAUTION:
IPDM E/R integrated relays cannot be removed.
AWMIA1439GB
PCS-6
< SYSTEM DESCRIPTION >
[IPDM E/R]
SYSTEM
RELAY CONTROL SYSTEM : Fail-safe
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CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With ECM
If No CAN Communication Is Available With BCM
Control relay
Input/output
Transmit unit
Control part
Reference page
• Headlamp low relay
• Headlamp high relay
• Low beam request signal
• High beam request signal
BCM (CAN)
• Headlamp LO
• Headlamp HI
Tail lamp relay
Position light request signal
BCM (CAN)
• Parking lamp
• License plate lamp
• Tail lamp
Illuminations
• Front wiper relay
• Front wiper high relay
Front wiper request signal
BCM (CAN)
Front wiper motor
Front wiper stop position signal Front wiper motor
Starter control relay
Starter control relay signal
BCM (CAN)
Starter motor
Transmission range switch sig-
nal (CVT models)
Transmission range
switch
Clutch interlock switch signal
(M/T models)
Clutch interlock switch
• Cooling fan low relay
• Cooling fan high relay
Cooling fan speed request sig-
nal
ECM (CAN)
Cooling fan
A/C relay
A/C compressor request signal ECM (CAN)
A/C compressor
(Magnet clutch)
Ignition relay
Ignition switch ON signal
BCM (CAN)
Each control unit,
sensor, actuator and
relay (Ignition power
supply)
Vehicle speed signal (Meter)
Combination meter
(CAN)
Push-button ignition switch sig-
nal
Push-button ignition
switch
Control part
Fail-safe operation
Cooling fan
• The cooling fan relay turn ON when the ignition switch is turned ON (Cooling fan HI operation)
• The cooling fan relay turn OFF when the ignition switch is turned OFF
A/C compressor
A/C relay OFF
Control part
Fail-safe operation
Headlamp
• Turns ON the headlamp low relay when the ignition switch is turned ON
• Turns OFF the headlamp low relay when the ignition switch is turned OFF
• Headlamp high relay OFF
• Parking lamp
• License plate lamp
• Illumination
• Tail lamp
• Turns ON the tail lamp relay when the ignition switch is turned ON
• Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper motor
• The status just before activation of fail-safe control is maintained until the ignition switch is
turned OFF while the front wiper is operating at LO or HI speed.
• The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-safe control
is activated while the front wiper is set in the INT mode and the front wiper motor is operating.
• Returns automatically wiper to stop position when ignition switch is turned ON if fail-safe control
is activated while front wiper motor is operated and wiper stop in the other position than stop
position.
Front fog lamp
Front fog lamp relay OFF
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