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Nissan Qashqai (2007-2010). Manual - part 1240

SEC-160

< BASIC INSPECTION >

[WITHOUT INTELLIGENT KEY SYSTEM]

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

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Perform the system initialization when replacing siren.

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

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Refer to the CONSULT-III Operation Manual-NATS.

ECM RE-COMMUNICATING FUNCTION

ECM RE-COMMUNICATING FUNCTION : Description

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Performing following procedure can automatically perform re-communication of ECM and BCM, but only when
the ECM has been replaced with a new one (*1).
*1: New one means a virgin ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT-III is not necessary)
NOTE:
• When registering new Key IDs or replacing the ECM that is not brand new, refer to CONSULT-III Oper-

ation Manual NATS.

• If multiple keys are attached to the key holder, separate them before work.
• Distinguish keys with unregistered key ID from those with registered ID.

ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement

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PERFORM ECM RE-COMMUNICATING FUNCTION

Install ECM.

Using a registered key (*2), turn ignition switch to “ON”.
*2: To perform this step, use the key that has been used before performing ECM replacement.

Maintain ignition switch in “ON” position for at least 5 seconds.

Turn ignition switch to “OFF”.

Start engine.

Can engine be started?

YES

>> Procedure is completed.

>> Initialize control unit. Refer to CONSULT-III Operation Manual NATS.

NATS (NISSAN ANTI-THEFT SYSTEM)

SEC-161

< FUNCTION DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SEC

FUNCTION DIAGNOSIS

NATS (NISSAN ANTI-THEFT SYSTEM)

System Diagram

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System Description

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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 start by other 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. Refer to

SEC-165,

"System Description"

• If system detects malfunction, security indicator illuminate when ignition switch is turned to ON position.
• If the owner requires, ignition 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* is required.

: All keys kept by the owner of the vehicle should be registered with ignition key.

- ECM
- BCM
- Ignition key
- ABS actuator control unit
- EPS sontrol unit
- IPDM E/R
- Combination meter
• NATS trouble diagnosis, system initialization and additional registration of other Ignition key IDs must be car-

ried out using CONSULT-III hardware and SECURITY CARD.
When NATS initialization has been completed, the ID of the inserted ignition key or ignition key IDs can be
carried out.

PIIA1121E

Switch/Input signal

Input signal to BCM

BCM function

Actuator/Output signal

NATS antenna amp.

Key ID

NATS

• Security indicator lamp
• Starter request

Audio unit

Audio unit ID

ECM

Engine status signal

SEC-162

< FUNCTION DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

NATS (NISSAN ANTI-THEFT SYSTEM)

• Possible symptom of NATS malfunction is “Engine cannot start” In J10, the engine can be started with the

NATS. Identify the possible causes according to “Work Flow”. Refer to

SEC-157, "Work Flow"

• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-

dure, refer to

SEC-160, "ECM RE-COMMUNICATING FUNCTION : Description"

PRECAUTIONS FOR KEY REGISTRATION

• The key registration is a procedure that erases the current NATS ID once, and then re-registers a new ID.

Therefore the registered ignition key is necessary for this procedure. Before starting the registration opera-
tion collect all registered ignition keys from the customer

• The NATS ID registration is the procedure that registers the ID stored into the transponder (integrated in

ignition key) to BCM.

SECURITY INDICATOR

• Security indicator blinks when the ignition switch is in “OFF” or “ACC” position.
• When NATS detects trouble, the security indicator lamp lights up while ignition key is in the “ON” position.

MAINTENANCE INFORMATION

CAUTION:

If necessary to perform NATS ID registration when replacing any of the following part.
If it's not (or fail to do so), the electrical system may not operate properly.
*: New one means a virgin control unit that has never been energized on-board.
• ABS actuator control unit
• EPS control unit
• IPDM E/R
• ECM
• Combination meter

Component Parts Location

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