ITB13038B

Classification:
Reference:
Date:
EL13-037b
ITB13-038b
November 11, 2014
2014 Q50; ONE-TOUCH DOOR UNLOCK SENSOR INOPERATIVE
This bulletin has been amended. Changes have been made in all sections. Please read the entire bulletin to understand
all of the changes. Please discard previous versions of this bulletin.
APPLIED VEHICLES:
2014 Q50 Sedan (V37)
2014 Q50 Hybrid (V37)
APPLIED VIN / DATE:
Sedan 2WD built before JN1BV7AP(*)EM 681024 / Oct. 1, 2013
Sedan AWD built before JN1BV7AR(*)EM 695835 / Oct. 1, 2013
Hybrid 2WD built before JN1AV7AP(*)EM 691229 / Oct. 1, 2013
Hybrid AWD built before JN1AV7AR(*)EM 702199 / Oct. 1, 2013
IF YOU CONFIRM
The driver and front passenger doors will not
unlock using the one-touch door unlock sensor,
One-touch
door unlock
sensor (behind
door handle)
AND
The Touch Sensitive Door Sensor feature is
set to ON.
NOTE: Refer to page 2 for information
about how to check the status of the Touch
Sensitive Door Sensor setting.
Figure 1
ACTION
1. Use Signal Tech-II to check/test signals from the BCM and the Intelligent Key.
2. Replace the Intelligent Key or BCM based on the test result.
IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing.
You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to
successfully completing this repair.
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.
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Check the Touch Sensitive Door Sensor setting as follows:
1. Select Settings.
Figure 2
2. Select Vehicle.
Figure 3
>>
3. Press the scroll down arrow
until Touch Sensitive Door Sensor
is located.
The Touch Sensitive Door Sensor
feature is set to ON when the circle
next to “ON” is illuminated yellow.
Figure 4
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ITB13-038b
SERVICE PROCEDURE
1. From outside the vehicle, lock the vehicle (lock all doors).
2. Select “Key Test” on the Signal Tech-II.
3. Hold the Signal Tech -II and Intelligent Key near the handle of a front door.
4. Touch the back-side of the door handle (active the Touch Sensitive Unlock Sensor) and observe the signal
response on the Signal Tech-II.
If there is no response (no signal) from the Car
or the Key as shown in Figure 5, replace the
BCM.

Refer to the Electronic Service Manual
(ESM), section BCS–Body Control
System, for replacement information.
Use the new BCM listed in the Parts
Information.

NOTE: The small amount of signal shown
on the Key bar graph in Figure 5 is
constant background RF being detected. It
is not a signal from the Intelligent Key.
See Figure 7, on the next page, for an
example of a signal form an Intelligent
Key.
Figure 5
If there is response from only the Car as
shown in Figure 6, replace the Intelligent Key.

Refer to the CONSULT-III plus operation
manual on the CONSULT PC for
replacement information.
NOTE:

If the signal response from the
Intelligent Key is weak (only moves a
small additional amount on the bar
graph), the Intelligent Key battery may
be weak. Refer to ITB09-059.

The small amount of signal shown on
the Key bar graph in Figure 6 is
constant background RF being
detected. It is not a signal from the
Intelligent Key. See Figure 7, on the
next page, for an example of a signal
form an Intelligent Key.
Figure 6
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ITB13-038b
NOTE: Response from both the Car and the
Key, as shown in Figure 7, indicates that the
BCM and the Intelligent key are functioning.
Figure 7
PARTS INFORMATION
DESCRIPTION
PART NUMBER
QUANTITY
Controller Assy - BCM
284B1-4HB0D
1
Intelligent Key
285E3-4HD0A
1
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
RPL BODY CONTROL MODULE
(1)
RD94AA
ZE
32
(2)
(1) Reference the Parts Information table and use the Controller Assy - BCM part number as the primary failed
part (PFP).
(2) Reference the current Infiniti warranty flat rate manual and use the indicated FRT.
OR
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
RPL INTELLIGENT KEY
(3)
RL44AA
ZE
32
(4)
(3) Reference the Parts Information table and use the Intelligent Key part number as the primary failed part
(PFP).
(4) Reference the current Infiniti warranty flat rate manual and use the indicated FRT.
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ITB13-038b