Nissan Versa Sedan. Manual — part 709
SEC-108
< PREPARATION >
[WITHOUT INTELLIGENT KEY SYSTEM]
PREPARATION
PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000009268461
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
—
(J-46534)
Trim Tool Set
Removing trim components
AWJIA0483ZZ
COMPONENT PARTS
SEC-109
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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D
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A
B
SEC
N
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P
SYSTEM DESCRIPTION
COMPONENT PARTS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS : Component Parts Location
INFOID:0000000009268462
1.
BCM
(view with instrument panel removed)
2.
Dongle unit
(behind instrument panel LH)
3.
Ignition switch
4.
NATS antenna amp.
(inside steering column)
5.
Clutch interlock switch
(M/T models)
6.
Combination meter (type B)
7.
Security indicator lamp
(with type B combination meter)
8.
Combination meter (type A)
9.
Security indicator lamp
(with type A combination meter)
10. Starter relay
(integrated within the IPDM E/R)
11. Transmission range switch
(CVT or A/T models)
12. Horn
ALKIA2293ZZ
SEC-110
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
COMPONENT PARTS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS : Component Description
INFOID:0000000009268463
Item
Function
BCM
Verifies the received signal from the ignition key ID, then informs ECM whether to allow engine start.
Transmission range switch
(CVT models)
Detects whether the shift lever is in park.
Clutch interlock switch (M/T
models)
Detects whether the clutch pedal is depressed.
Dongle unit
Sends ID verification signal to the BCM.
Starter relay
Supplies battery voltage to the starter motor when enabled.
NATS antenna amp.
Detects the ignition key presence in the ignition key cylinder.
Security indicator
Indicates the status of the security system.
IPDM E/R
Supplies battery voltage from integrated starter relay to the starter motor.
SYSTEM
SEC-111
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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SYSTEM
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS : System Diagram
INFOID:0000000009268464
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS : System Description
INFOID:0000000009268465
INPUT/OUTPUT SIGNAL CHART
BCM
SYSTEM DESCRIPTION
NATS (Nissan Anti-Theft System) has the following immobilizer functions:
• Engine immobilizer shows high anti-theft performance to prevent engine from starting by other anyone than
the owner.
• Only a key with key ID registered in BCM and ECM can start engine, and shows high anti-theft performance
to prevent key from being copied or stolen.
• Security indicator always flashes with mechanical key removed condition (key switch: OFF)
• Therefore, NATS warns outsiders that the vehicle is equipped with the anti-theft system.
• If system detects malfunction, security indicator illuminates when ignition switch is turned to ON position.
• If the owner requires, ignition key ID or mechanical key ID can be registered for up to 5 keys.
• During trouble diagnosis or when the following parts have been replaced, and if ignition key is added, regis-
tration
*1
is required.
*1
: All keys kept by the owner of the vehicle should be registered with mechanical key.
- ECM
- BCM
- Ignition key
- Remote keyless entry receiver
• NATS trouble diagnosis, system initialization and additional registration of other mechanical key IDs must be
carried out using CONSULT.
• When NATS initialization has been completed, the ID of the inserted mechanical key or mechanical key IDs
can be carried out.
• Possible symptom of NATS malfunction is “Engine cannot start”. Identify the possible causes according to
“Work Flow”, Refer to
• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-
dure, refer to
SEC-129, "ECM RE-COMMUNICATING FUNCTION : Description"
.
PRECAUTIONS FOR KEY REGISTRATION
ALKIA2291GB
Switch/Input signal
Input signal to BCM
BCM function
Actuator/Output signal
NATS antenna amp.
Key ID
NATS
• Security indicator lamp
• Starter request
ECM
Engine status signal
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