Nissan Qashqai (2007-2010). Manual — part 1202
SEC-8
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
INSPECTION AND ADJUSTMENT
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
INFOID:0000000001116423
Perform the system initialization when replacing siren.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000001116424
Refer to the CONSULT-III Operation Manual-NATS.
ECM RE-COMMUNICATING FUNCTION
ECM RE-COMMUNICATING FUNCTION : Description
INFOID:0000000000944523
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
INFOID:0000000000944524
1.
PERFORM ECM RE-COMMUNICATING FUNCTION
1.
Install ECM.
2.
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.
3.
Maintain ignition switch in “ON” position for at least 5 seconds.
4.
Turn ignition switch to “OFF”.
5.
Start engine.
Can engine be started?
YES
>> Procedure is completed.
NO
>> Initialize control unit. Refer to CONSULT-III Operation Manual NATS.
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
SEC-9
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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FUNCTION DIAGNOSIS
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
System Diagram
INFOID:0000000000944525
System Description
INFOID:0000000000944526
INPUT/OUTPUT SIGNAL CHART
Intelligent Key Unit
IPDM E/R
BCM
SYSTEM DESCRIPTION
• The engine start function of Intelligent Key system is a system that makes it possible to start and stop the
engine without using the key. It verifies the electronic ID using two-way communications when pressing the
ignition knob switch while carrying the Intelligent Key, which operates based on the results of electronic ID
verification for Intelligent Key using two-way communications between the Intelligent Key and the vehicle.
NOTE:
The driver should carry the Intelligent Key at all times.
Switch/Input signal
Input signal to
Intelligent Key unit
Intelligent Key unit
function
Actuator/Output signal
Key switch
Mechanical key
(insert/remove)
Engine start function
• KEY warning lamp/buzzer
• Steering lock unit
• Starter relay request (to IPDM E/
R)
• Inside key antenna
(Instrument center, console, rear
seat)
• Key interlock solenoid
Ignition knob switch
Ignition knob
(push/release)
Steering lock unit
Steering lock
(lock/unlock)
Inside key antenna
(Instrument center, console, rear
seat)
Intelligent key
(inside antenna detection
area or not.)
Switch/Input signal
Input signal to
IPDM E/R
IPDM E/R function
Actuator/Output signal
Park/neutral position switch (only
for CVT models)
P,N range
Engine start function
• Starter relay
• Starter motor
Switch/Input signal
Input signal to
BCM
BCM function
Actuator/Output signal
Stop lamp switch
Brake
(press/release)
Engine start function
• Inside key antenna
(Instrument center, console, rear
seat)
Key switch
Mechanical key
(insert/remove)
MIIB0785E
SEC-10
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
• Intelligent Key has 2 IDs (for Intelligent Key and for NATS). It can perform the door lock/unlock operation and
the engine start operation when the registered Intelligent Key is carried.
• When the Intelligent Key battery is discharged, it can be used as emergency back-up by inserting the
mechanical key set in the Intelligent Key to the ignition key cylinder. At that time, perform the NATS ID verifi-
cation. If it is used when the Intelligent Key is carried, perform the Intelligent Key ID verification.
• If the ID is successfully verified, and when the ignition knob switch is pressed, steering lock will be released
and initiating the engine will be possible.
• The door lock/unlock operation can be performed when the Intelligent Key battery is discharged, by operat-
ing the driver door key cylinder using the mechanical key set in the Intelligent Key.
• Up to 4 Intelligent Keys can be registered (Including the standard Intelligent Key) on request from the owner.
NOTE:
• Refer to
DLK-28, "INTELLIGENT KEY : System Description"
for any functions other than engine start func-
tion of Intelligent Key system.
PRECAUTIONS FOR INTELLIGENT KEY SYSTEM
• In the Intelligent Key system of model J10, the transponder [the chip for NATS ID verification] is inte-
grated into the Intelligent Key. (For the conventional models, it is integrated into the mechanical key.)
Therefore, the mechanical key cannot perform the ID verification, and thus it cannot start the engine.
Instead, the NATS ID verification can be performed by inserting the mechanical key into the key cyl-
inder, and then it can start the engine.
OPERATION WHEN INTELLIGENT KEY IS CARRIED
1.
When the ignition knob switch and brake switch are ON, and Intelligent Key unit is transmit the request
signal to the Intelligent Key.
2.
The Intelligent Key receives the request signal and transmits the Intelligent Key ID signal to the Intelligent
Key unit.
3.
The Intelligent Key unit receives the Intelligent Key ID signal and verifies it with the registered ID.
4.
Intelligent Key unit transmits the steering lock unlock signal to steering lock unit and turn on the key warn-
ing lamp (green) if the verification results are OK. (The detail of key warning lamp operation, refer to
5.
Release of the steering lock.
6.
BCM transmits the starter request signal via CAN communication to IPDM E/R and turns the starter relay
in IPDM E/R ON if BCM judges that the engine start condition is satisfied.
7.
IPDM E/R turns the starter control relay ON when receiving the starter request signal.
8.
When shift position is in P or N position, battery power is supplied through the starter relay and operate
the starter motor and to start the cranking.
CAUTION:
If a malfunction is detected in the Intelligent Key system, the “KEY” warning lamp in the combina-
tion meter illuminates. At that time, the engine cannot be started.
OPERATION RANGE
Engine can be started when Intelligent Key is inside the vehicle. However, sometimes engine might not start
when Intelligent Key is on instrument panel or in glove box.
OPERATION WHEN MECHANICAL KEY IS USED
When the Intelligent Key battery is discharged, performs the NATS ID verification between the integrated tran-
sponder and BCM by inserting the mechanical key into the key cylinder, and then the engine can be started.
For details relating to starting the engine using mechanical key, refer to
.
STEERING LOCK OPERATION
Steering is locked by steering lock unit when ignition switch is in the OFF position (the ignition knob is
released) and key switch is OFF (key is removed from ignition key cylinder).
KEY INTERLOCK OPERATION (ONLY FOR MT MODELS)
In case of a MT vehicle is in motion and ignition is turned into LOCK position, steering lock unit causes a risk
by activating the steering lock actuator. The key interlock operation is designed to override the steering lock
system and prevent the situation mentioned above from occuring.
LOCK condition
When the following conditions are fulfilled, key interlock solenoid will be locked. (Steering lock inactive)
• 1 second passes after ignition switch is in ON position and engine revolution speed goes above 500 rpm.
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
SEC-11
< FUNCTION DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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UNLOCK condition
When any of the following condition are fulfilled key interlock solenoid will be unlocked. (Steering lock active)
• When vehicle speed is below 4km/h and the ignition switch is turned from ON to OFF.
• When vehicle speed is over 4km/h but less than 10km/h in LOCK condition, and 3 second passes after the
ignition switch is turned from ON to OFF.
Component Parts Location
INFOID:0000000000944527
JMKIA0434ZZ
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