ITB12-005 - InfinitiG37.com
Contents
1. QY INFINITI SERVICE BULLETIN COPYRIGHT NISSAN NORTH AMERICA INC Date Class ification Refere nc e EL12 008 ITB12 00 February 3 2012 DOOR LOCK UNLOCK INOPERATIVE WITH INTELLIGENT KEY APPLIED VEHICLES All 2007 and newer Infiniti with Inteligent Key system SERVICE INFORMATION lf the doors will not lock unlock using the Intelligent Key buttons and or the Door Request Switch before replacing any component a Review the door look unlock Diagnostic Items in this bulletin and b Follow all diagnostic steps in the appropriate Service Manual NOTE The Intelligent Key door lock unlock functions are controlled by several components Proper diagnostic steps should be performed before replacing any part The BCM Body Control Module is usually not the cause of an inoperative condition Infiniti Bulletins are intended for use by qualified technicians not do it yourselfers Qualified technicians are properly trained individuals who have the equipment tools safety instruction and know how to do a job properly and safely NOTE If you believe that a described condition may apply to a particular vehicle DO NOT assume that it does See your Infiniti dealer to determine if this applies to your vehicle 1 3 DIAGNOSTIC ITEMS NOTE When testing door lock unlock with Intelligent Key Set the ignition switch position to OFF or LOCK Put the shift lever in Park Intelligent key is not inserted into key slot if equipp2. lock unlock signals e Use C III or C III plus gt Intelligent Key gt Data Monitor e REQ SW DR AS will change OFF gt ON as Door Request Switch is pressed e RKE LOCK UNLOCK will change OFF gt ON as the buttons on the Intelligent Key keyfob are pressed Line Graph Single List YJ reo e NG Repair as needed Refer to the appropriate Service Manual NOTE The Remote Keyless Entry Receiver must confirm the NATS Intelligent Key is registered before the doors will lock unlock with Request Switch or the Intelligent Key keyfob buttons Confirm NATS Intelligent Key registration e Refer to the appropriate Service Manual and C III C III plus operators manual for NATS Intelligent Key registration confirmation Example of the Intelligent Key Door Lock Unlock system KEY ID E Intelligent Key H Doar lo amp kk aciuater iL any A WN esp Trunk release solenold Each outside key antenna eae A Each inside key antenna Intelligent Key warning buzzer Engine room Each request switch LAL TIAN Figure 2 3 3 ITB12 005
3. ed All doors are closed Intelligent key is outside the vehicle and 6 feet or less from the request switch As needed refer to Figure 2 on page 3 Check operation of the door locks with the power door lock switch e f a door will lock unlock with the power door lock switch on the inside door panel then the actuator is OK and the wiring between the actuator and BCM is OK e f needed refer to the appropriate Service Manual to diagnose and repair the power door lock sysiem Check signals from the Intelligent Key and the vehicle antenna using Signal Tech Il e Follow the Signal Tech II instruction manual for Intelligent Key Testing e The Signal Tech II instruction manual is found in ASIST under Tools amp Equipment Signal Tech il Correct any no signal or low signal conditions e f there is no signal or low signal from the Q Intelligent Key inspect the Intelligent Key and its pm x battery Q gt Refer to ITB08 051 for intelligent key inspection cremas gt Refer to the appropriate Service Manual for battery test procedure gt Intelligent Key battery voltage must be Figure 1 above 2 8 volts gt lf the battery voltage is OK replace the Intelligent Key e f there is no signal or low signal from the outside door handle antenna check the antenna gt Refer to the appropriate Service Manual for antenna diagnostic and repair procedure 2 3 ITB12 005 Confirm the BCM is receiving door
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