Nissan Qashqai J11. Manual — part 1473
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COMPONENT PARTS
SEC-191
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
TCM (CVT models)
TCM receives the shift position signal from transmission range switch, and then transmits the
P/N position signal to BCM via CAN communication.
BCM confirms the selector lever position with the following 5 signals.
• P position signal from CVT shift selector (detention switch)
• P/N position signal from transmission range switch
• P position signal from IPDM E/R (CAN)
• Neutral position signal from IPDM E/R (CAN)
• P/N position signal from TCM (CAN)
IPDM E/R confirms the selector lever position with the following 3 signals.
• P position signal from CVT shift selector (detention switch)
• P/N position signal from transmission range switch
• P/N position signal from BCM (CAN)
Refer to
TM-436, "CVT CONTROL SYSTEM : Component Parts Location"
for detailed instal-
lation location.
Transmission range switch
(CVT models)
Transmission range switch detects the selector lever position, and then transmits the P/N po-
sition signal to BCM and IPDM E/R.
BCM confirms the CVT shift selector position with the following 5 signals.
• P position signal from CVT shift selector (detention switch)
• P/N position signal from transmission range switch
• P position signal from IPDM E/R (CAN)
• Neutral position signal from IPDM E/R (CAN)
• P/N position signal from TCM (CAN)
IPDM E/R confirms the CVT shift selector position with the following 3 signals.
• P position signal from CVT shift selector (detention switch)
• P/N position signal from transmission range switch
• P/N position signal from BCM (CAN)
Refer to
TM-436, "CVT CONTROL SYSTEM : Component Parts Location"
for detailed instal-
lation location.
Reverse/neutral position
switch (M/T models)
Reverse/neutral position switch detects that shift lever is in the neutral position, and then
transmits ON/OFF signal to BCM.
Refer to
TM-136, "Component Parts Location"
for detailed installation location.
Hood switch
Hood switch detects that brake hood is open or closed, and then transmits that signal to the
IPDM E/R.
Horn
Horn operate for warning vehicle surroundings when VEHICLE SECURITY SYSTEM oper-
ates.
ECM
ECM controls the engine.
When ignition switch is turned ON, BCM starts communication with ECM and performs the
ID verification between BCM and ECM.
If the verification result is OK, the engine can start. If the verification result is NG, the engine
can not start.
Refer to
ECH-13, "Component Parts Location"
GINE CONTROL SYSTEM : Component Parts Location"
(MR16DDT engine models),
ECM-629, "ENGINE CONTROL SYSTEM : Component Parts Location"
(MR20DD engine
ECK-12, "Component Parts Location"
(R9M engine models) for detailed installation location.
IPDM E/R
IPDM E/R controls these relays while communicating with BCM.
When IPDM E/R receives the alarm request signal from BCM, IPDM E/R activates vehicle
security horn and hazard warning lamps intermittently.
Refer to
PCS-5, "Component Parts Location"
for detailed installation location.
BCM
BCM controls NISSAN ANTI-THEFT SYSTEM (NATS) and VEHICLE SECURITY SYSTEM.
BCM performs ID verification between BCM and ECM when ignition switch is turned ON. If
the ID verification result is OK, ECM can start engine.
Refer to
BCS-6, "BODY CONTROL SYSTEM : Component Parts Location"
for detailed in-
stallation location.
Front door switch (passenger
side)
Door switch detects door open/close condition and then transmits ON/OFF signal to BCM.
Refer to
DLK-388, "Component Parts Location"
for detailed installation location.
Rear door switch LH
Door switch detects door open/close condition and then transmits ON/OFF signal to BCM.
Refer to
DLK-388, "Component Parts Location"
for detailed installation location.
No.
Component Function
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SEC-192
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
COMPONENT PARTS
NATS Antenna Amp.
INFOID:0000000010338032
The ID verification is performed between BCM and ignition key via NATS antenna amp. when ignition switch is
turned ON. If an unregistered ID of ignition key is used, the operation of the starting engine is prohibited.
Hood Switch
INFOID:0000000010504932
Hood switch detects that hood is open, and then transmits ON/OFF
signal to IPDM E/R. IPDM E/R transmits hood switch signal to BCM
via CAN communication.
Siren Control Unit
INFOID:0000000010479732
Siren control unit monitors the vehicle condition and controls the vehicle security system.
Intruder Sensor
INFOID:0000000010479733
Intruder sensor detects a movement entering passenger compart-
ment, then transmits the signal to siren control unit.
Back door switch
Back door switch is integrated into back door look assembly.
Back door switch detects back door open/close condition, and then transmits ON/OFF signal
to BCM.
Refer to
DLK-388, "Component Parts Location"
for detailed installation location.
Rear door switch RH
Door switch detects door open/close condition and then transmits ON/OFF signal to BCM.
Refer to
DLK-388, "Component Parts Location"
for detailed installation location.
Front door switch (Driver
side)
Door switch detects door open/close condition and then transmits ON/OFF signal to BCM.
Refer to
DLK-388, "Component Parts Location"
for detailed installation location.
NATS antenna amp.
Refer to
.
Sensor cancel switch
Refer to
SEC-193, "Sensor Cancel Switch"
.
No.
Component Function
JMKIB3260ZZ
JMKIB3262ZZ
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COMPONENT PARTS
SEC-193
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
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A
B
SEC
N
O
P
Sensor Cancel Switch
INFOID:0000000010479734
BCM deactivates intruder sensor for the vehicle security system
when BCM receives sensor cancel switch ON signal.
JMKIB3261ZZ
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SEC-194
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
SYSTEM
SYSTEM
NISSAN ANTI-THEFT SYSTEM
NISSAN ANTI-THEFT SYSTEM : System Description
INFOID:0000000010338033
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
Nissan Anti-Theft System (NATS) has the following immobilizer functions:
• NATS shows high anti-theft performance to prevent engine from starting by anyone other than the owner
who has the registered ignition key.
• The ignition key has NATS ID and only ignition key which has the same ID as the ID registered in BCM and
ECM can start engine. This makes high anti-theft performance to prevent the vehicle from being stolen using
a copied ignition key.
• Security indicator lamp always blinks when ignition switch is in any position other than ON. Therefore, NATS
warns outsiders that the vehicle is equipped with the anti-theft system.
• If the system detects a malfunction, security indicator lamp illuminates when ignition switch is turned ON.
• If the owner requires, ignition key ID can be registered for up to 5 keys.
• During trouble diagnosis, when additional ignition key is needed, or when the following components are
replaced, the ID registration is required.
- BCM
- Ignition key
• Possible symptom of NATS malfunction is “Engine cannot start”. The engine also can not be started
because of other than the NATS malfunction, so start the trouble diagnosis according to
• If ECM other than Genuine NISSAN parts is installed, the engine cannot be started. For ECM replacement
procedure, refer to
ECH-320, "Removal and Installation"
(HRA2DDT engine models),
EC9-409, "Removal and Installation"
(R9M engine models).
SECURITY INDICATOR LAMP
• Security indicator lamp is located on combination meter and warns that the vehicle is equipped with NATS.
• Security indicator lamp always blinks, when the ignition switch is in any position other than ON.
• Security indicator lamp turns OFF when the ignition switch is turned ON.
OPERATION WHEN IGNITION KEY IS INSERTED INTO IGNITION KEY CYLINDER
1.
When ignition switch is turned ON, BCM activates NATS antenna amp. to start NATS ID verification with
the ignition key (transponder is integrated).
2.
BCM receives the NATS ID signal from ignition key via NATS antenna amp. and verifies it with the regis-
tered ID.
3.
When the NATS ID verification result is OK, BCM performs the ID verification between BCM and ECM.
4.
When the verification result is OK, BCM transmits the verification OK signal to ECM, and then ECM can
start the engine.
JMKIB3228GB
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