Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Nissan-Datsun Rogue 2WD L4-2.5L (QR25DE)FACTORY OEM SERVICE PROCEDURE
Intelligent Key
INTELLIGENT KEY
INTELLIGENT KEY : System Diagram

INTELLIGENT KEY : System Description
INTELLIGENT KEY OPERATION
The Intelligent Key has the same functions as the remote keyless entry system. Therefore, it can be used in the same manner as the keyfob by operating the door lock/unlock button.
This function can be set to OFF with CONSULT-III. For the setting information, refer to "CONSULT-III Function (INTELLIGENT KEY)".
OPERATION DESCRIPTION/DOOR LOCK/UNLOCK FUNCTION
- When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmits from Intelligent Key to Intelligent Key unit.
- When Intelligent Key unit receives the door lock/unlock signal, it operates door lock actuator, flashes the hazard lamp (lock: 2 times, unlock: 1 time) and horn chirp signal to IPDM E/R at the same time as a reminder.
- IPDM E/R honks horn (lock: 1 time) as a reminder
OPERATION CONDITION

OPERATION AREA
To ensure that the Intelligent Key works effectively, use within a 100 cm range of each door, however the operable range may differ according to surroundings.
SELECTIVE UNLOCK FUNCTION
When an LOCK signal is transmitted from Intelligent Key, all doors will be locked.
When an UNLOCK signal is transmitted from Intelligent Key once, driver's door will be unlocked.
Then, if an UNLOCK signal is transmitted from Intelligent Key again within 5 seconds, all other door will be unlocked.
HAZARD AND HORN REMINDER
When the doors are locked or unlocked by remote control of Intelligent Key, Intelligent Key unit sends hazard and horn request signal to BCM via CAN communication line.
BCM flashes hazard warning lamps as a reminder and sends horn chirp signal to IPDM E/R. IPDM E/R sounds horn as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).
Operating function of hazard and horn reminder

Hazard and horn reminders do not operate if any door switch is ON (door is OPEN) and ignition switch is ON.
How to change hazard and horn reminder mode
With CONSULT-III
Hazard and horn reminder can be changed using "HORN WITH KEYLESS LOCK" and "HAZARD ANSWER BACK" mode in "WORK SUPPORT". Refer to "CONSULT-III Function (INTELLIGENT KEY)".
Without CONSULT-III
Refer to Owner's Manual for instructions.
AUTO DOOR LOCK OPERATION
Auto lock function signal is sent for operation when any of the following signals are not sent within 60 seconds after the unlock signal is sent from the Intelligent key button.
- when door switch is turned ON for open
- when the key switch is turned ON
- when the lock signal is sent from the Intelligent key button
Auto door lock mode can be changed using "AUTO LOCK SET" mode in "WORK SUPPORT".
Refer to "CONSULT-III Function (INTELLIGENT KEY)".
PANIC ALARM FUNCTION
When ignition switch is OFF (ignition switch is not pressed) and key switch is OFF (Intelligent Key is not inserted in key slot), BCM receives PANIC ALARM signal from Intelligent Key.
BCM turns on and off headlamp intermittently and transmits theft warning horn signal to IPDM E/R. Then, IPDM E/R turns on and off horn intermittently.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off:
- After 25 seconds
- When BCM receives any signal from Intelligent Key
Panic alarm function mode can be changed by "PANIC ALARM SET" mode in "WORK SUPPORT". Refer to "PANIC ALARM : CONSULT-III Function (BCM - PANIC ALARM)".
ROOM LAMP ILLUMINATION OPERATION
When the following conditions are met:
- Condition of interior lamp switch is in DOOR position
- Door switch OFF (all the doors are closed)
Intelligent Key system turns ON interior lamp by receiving UNLOCK signal from Intelligent Key. For detailed description, refer to "System Description".
INTELLIGENT KEY : Component Description

INTELLIGENT KEY : System Diagram
INTELLIGENT KEY : System Description
INTELLIGENT KEY OPERATION
The Intelligent Key has the same functions as the remote keyless entry system. Therefore, it can be used in the same manner as the keyfob by operating the door lock/unlock button.
This function can be set to OFF with CONSULT-III. For the setting information, refer to "CONSULT-III Function (INTELLIGENT KEY)".
OPERATION DESCRIPTION/DOOR LOCK/UNLOCK FUNCTION
- When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmits from Intelligent Key to Intelligent Key unit.
- When Intelligent Key unit receives the door lock/unlock signal, it operates door lock actuator, flashes the hazard lamp (lock: 2 times, unlock: 1 time) and horn chirp signal to IPDM E/R at the same time as a reminder.
- IPDM E/R honks horn (lock: 1 time) as a reminder
OPERATION CONDITION
OPERATION AREA
To ensure that the Intelligent Key works effectively, use within a 100 cm range of each door, however the operable range may differ according to surroundings.
SELECTIVE UNLOCK FUNCTION
When an LOCK signal is transmitted from Intelligent Key, all doors will be locked.
When an UNLOCK signal is transmitted from Intelligent Key once, driver's door will be unlocked.
Then, if an UNLOCK signal is transmitted from Intelligent Key again within 5 seconds, all other door will be unlocked.
HAZARD AND HORN REMINDER
When the doors are locked or unlocked by remote control of Intelligent Key, Intelligent Key unit sends hazard and horn request signal to BCM via CAN communication line.
BCM flashes hazard warning lamps as a reminder and sends horn chirp signal to IPDM E/R. IPDM E/R sounds horn as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).
Operating function of hazard and horn reminder
Hazard and horn reminders do not operate if any door switch is ON (door is OPEN) and ignition switch is ON.
How to change hazard and horn reminder mode
With CONSULT-III
Hazard and horn reminder can be changed using "HORN WITH KEYLESS LOCK" and "HAZARD ANSWER BACK" mode in "WORK SUPPORT". Refer to "CONSULT-III Function (INTELLIGENT KEY)".
Without CONSULT-III
Refer to Owner's Manual for instructions.
AUTO DOOR LOCK OPERATION
Auto lock function signal is sent for operation when any of the following signals are not sent within 60 seconds after the unlock signal is sent from the Intelligent key button.
- when door switch is turned ON for open
- when the key switch is turned ON
- when the lock signal is sent from the Intelligent key button
Auto door lock mode can be changed using "AUTO LOCK SET" mode in "WORK SUPPORT".
Refer to "CONSULT-III Function (INTELLIGENT KEY)".
PANIC ALARM FUNCTION
When ignition switch is OFF (ignition switch is not pressed) and key switch is OFF (Intelligent Key is not inserted in key slot), BCM receives PANIC ALARM signal from Intelligent Key.
BCM turns on and off headlamp intermittently and transmits theft warning horn signal to IPDM E/R. Then, IPDM E/R turns on and off horn intermittently.
The headlamp flashes and the horn sounds intermittently.
The alarm automatically turns off:
- After 25 seconds
- When BCM receives any signal from Intelligent Key
Panic alarm function mode can be changed by "PANIC ALARM SET" mode in "WORK SUPPORT". Refer to "PANIC ALARM : CONSULT-III Function (BCM - PANIC ALARM)".
ROOM LAMP ILLUMINATION OPERATION
When the following conditions are met:
- Condition of interior lamp switch is in DOOR position
- Door switch OFF (all the doors are closed)
Intelligent Key system turns ON interior lamp by receiving UNLOCK signal from Intelligent Key. For detailed description, refer to "System Description".
INTELLIGENT KEY : Component Description
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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