Class ification:

Refere nc e:

Date :

RS13-011

ITB13-016

May 17, 2013

AIR BAG AND SEAT BELT
WARNING LIGHTS INCORRECT INDICATION
APPLIED VEHICLES:

2011 – 2013 QX56 (Z62)
2009 – 2013 FX (S51)

IF YOU CONFIRM
One or more of the following conditions:
• Front passenger air bag status light is ON (illuminated) with the front passenger seat empty.
• Front passenger air bag status light is ON (illuminated) with an adult* sitting in the front passenger
seat.
• Seat belt warning light is ON (illuminated) with the front passenger seat empty (driver seat belt is
buckled).
• Supplemental air bag warning light is flashing but no Air Bag DTCs are stored.
* The front passenger air bag is designed to automatically turn OFF under some conditions. Refer to the

appropriate Vehicle Owner’s Manual for complete information on proper use of the front passenger seat.

Front passenger
air bag status light
(Front passenger
air bag OFF indicator)

Supplemental air bag warning
light

Seat belt warning light

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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ACTION
1. Visually check the front passenger seat and seat rails for any structural damage.
• If any structural damage is found, this bulletin does not apply.
2. Visually check the front passenger seat for any items in the seat pockets, or any items on, under, or
hanging from the seat (front, back, and sides).
• If any items are found, remove the items and recheck the incident before proceeding.
3. Replace the OCS control unit.
4. Perform Zero Point Reset and check for DTCs.
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.

PARTS INFORMATION
MODEL
FX
QX56

DESCRIPTION

PART NUMBER

Controller Assy- Occupant sensor
(OCS Control Unit)

QUANTITY

98856 – 3GT0A
1
98856 – 1V90A

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
FX
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Replace OCS Control Unit
(1)
RX3SAA
ZE
32
0.8
(1) Refer to the Parts Information table and use the applicable OCS Control Unit (98856-XXXXX) part number
as the Primary Part (PFP).
QX56
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Replace OCS Control Unit
(1)
RX3SAA
ZE
32
0.6
(1) Refer to the Parts Information table and use the applicable OCS Control Unit (98856-XXXXX) part number
as the Primary Part (PFP).

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SERVICE PROCEDURE
IMPORTANT: Follow all cautions, warnings, and notes in the Electronic Service Manual (ESM) when
working on or near a Supplemental Restraint System (SRS), such as an air bag.
CAUTION: Handle interior trim carefully to avoid damage. Work with clean hands and clean tools to avoid
dirt and stains. Use protective covers as needed.
Preliminary checks
1. Visually check the front passenger seat and seat rails for any structural damage.
• If any seat structural damage is found, this bulletin does not apply.
2. Visually check the front passenger seat for any items in the seat pockets, or any items on, under, or
hanging from the seat (front, back, or sides).
a. If any items are found, remove the items and recheck the incident before proceeding.
b. If the incident still occurs with items removed, continue with this procedure.
Preparation for Replacing OCS Control Unit:
1. Write down the radio settings.
Presets

1

2

3

4

5

6

AM
FM 1
FM 2
SAT 1
SAT 2
Bass

Treble

Balance

Fade

Speed Sen.
Vol.

2. If equipped; Write down the customer preferred setting for the Automatic Air Conditioning System.
• If needed, refer to System Settings in the HAC section of the Service Manual.
3. Turn the ignition OFF.
4. Go to Replace OCS Control Unit on the next page.

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FX: Replace OCS Control Unit:
1. Remove the mounting bolts that hold the front passenger seat to the floor.
• If needed, refer to the SE section of the appropriate Service Manual.
2. Disconnect both battery cables, negative cable first.
CAUTION: Wait at least 3 minutes before disconnecting any air bag electrical connectors.
3. Tilt the seat back to gain access to the OCS
control unit.

OCS control unit

4. Replace the OCS control unit with the one listed in
the Parts Information.
5. Position the seat into its proper place.
6. Make sure all of the seat electrical connectors are
connected.
7. Reconnect battery cables – positive cable first.
8. Reinstall the mounting bolts that hold the front
passenger seat to the floor.

Figure 1

• Refer to the SE section of the appropriate Service Manual for bolt torque specification and bolt torque
order.
9. Go to Reset Vehicle Settings on the next page.
QX56: Replace OCS Control Unit:
1. Disconnect both battery cables, negative cable first.
CAUTION: Wait at least 3 minutes before disconnecting any air bag electrical connectors.
2. Remove the front passenger seat cushion front
finisher.

OCS control unit

• If needed, refer to the SE section of the
appropriate Service Manual.
3. Replace the OCS control unit with the one listed in
the Parts Information (see Figure 2).
4. Reinstall the front passenger seat cushion front
finisher.
5. Reconnect battery cables – positive cable first.
6. Go to Reset Vehicle Settings on the next page.

Figure 2

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Reset Vehicle Settings
1. Reset the clock in the combination meter.
2. Reset the radio settings.
3. If equipped; check/reset the clock in the navigation system.
4. If equipped; reset the customer preferred settings for the Automatic Air Conditioning System.
• If needed, refer to System Settings in the HAC section of the Service Manual.
5. Inform the customer:
• If equipped; some memory settings in the navigation system may need to be reset.
• If equipped; Automatic Drive Position (ADP) settings will need to be reset.
6. Reinitialize and check the Anti-Pinch Function for all Auto-UP power windows:
Reinitialize:
a. Turn the ignition ON.
b. Operate the power window switch to fully open the window (glass all the way down).
c. Hold the window switch UP until the glass stops at the fully closed position, and then continue holding
the switch UP for 2 seconds or more.
d. Check that AUTO-UP function operates normally.
Check Anti-Pinch Function
a.
b.
c.
d.

Operate the power window switch to fully open the window (glass all the way down).
Hold a piece of wood near the fully closed position.
Close the door window glass using the AUTO-UP switch. Allow the window glass to hit the wood.
Check the following conditions:
• Check that the glass lowers for approximately 150 mm (5.9 in), without pinching the wood, and
stops.
• Check that the glass does not rise when operating the power window main switch, while the widow
is lowering after hitting the wood.
CAUTION: Do not check anti-pinch function with hands or other body parts because they may be
pinched.

7. Perform Zero Point Reset and check for DTCs; next page.

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Zero Point Reset / Check for DTCs
1. Attach CONSULT-III plus (C-III plus) VI to the vehicle.
2. Prepare the vehicle for Zero Point Reset.
• Place the vehicle in a level area.
• Minimize vibrations near the vehicle.
• Remove any objects on the passenger seat.
• No occupants in the vehicle – including the servicing technician.
• Close all of the vehicle doors.
• Do not touch the vehicle during zero point reset.
3. Place the CONSULT PC outside the vehicle and away from the vehicle.
4. Open/start C-III plus.
5. Wait for the plus VI to be recognized.
•

The serial number will display when the VI is recognized.

6. Select Diagnosis (One System).

Step 5: VI is
recognized

Step 6

Figure Z1

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7. Select OCCUPANT DETECTION.

Step 7

Figure Z2
8. Wait for System Call to complete.
9. Select Zero point reset function.
10. Select Start.

Step 9

Step 10

Figure Z3

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11. Select Next.

Step 11

Figure Z4
12. Select Start.

Step 12

Figure Z5
NOTE: Zero Point Reset must be performed even if:
• “Current status” indicates “Completed”, or
• “Zero point reset current status” indicates “Already performed”
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13. Wait for Zero Point Reset to complete.

Figure Z6
14. Make sure that “Current status” is Completed.

Step 14

Figure Z7

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15. Select Home on C-III plus.

16. Check for Air Bag DTCs.
Navigate C-III plus to:
Diagnosis (One System) Ö AIR BAG Ö Self Diagnostic Results
• If there are no Air Bag DTCs stored; go to the next step.
• If there are Air Bag DTCs stored; refer to ASIST and the Service Manual for additional diagnostic and
repair information. Stored DTCs are not covered by this bulletin.

17. Close C-III plus, turn the ignition OFF, and disconnect from the vehicle.

18. Turn the ignition ON and observe the air bag warning light:
•

Light should illuminate for 7 seconds and then go out.
NOTE: If the Air Bag Warning light does not operate as described above, there may be an issue not
covered by this bulletin. Refer to ASIST and the appropriate Service Manual for additional diagnostic
and repair information.

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