ITB15022

Classification:
Reference:
Date:
EC15-008
ITB15-022
June 12, 2015
2015 QX60; MIL ON WITH REAR O2 SENSOR RELATED DTC STORED
APPLIED VEHICLE: 2015 QX60 (L50)
IF YOU CONFIRM:
The MIL is ON and any of the following DTCs are stored in the ECM:

P0037, P0038, P0057, P0058, P0139, P0159,
P0141, P0161, P0137, P0157, P0138, P0158
ACTION:
1. Refer to step 6 in the SERVICE PROCEDURE to confirm if ECM reprogramming applies.
2. If it applies, reprogram the ECM.
3. Replace only the rear O2 sensor that relates to the stored DTC(s) (B1 and/or B2).
NOTE: Do NOT replace both rear O2 sensors if the DTC(s) is for one rear O2 sensor.
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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SERVICE PROCEDURE
ECM Reprogramming

Most instructions for reprogramming with CONSULT-III plus (C-III plus) are displayed on the CONSULT
PC screen.

If you are not familiar with the reprogramming procedure, click here. This will link you to the
"CONSULT-III plus (C-III plus) Reprogramming" general procedure.
Preparation for Reprogramming

Take the vehicle for a 10 minute drive in order to meet the
following Idle Air Volume Learn (IAVL) conditions:
 Engine coolant temperature: 70 -100°C
(158 - 212°F)
 Battery voltage: More than 12.9V (At idle)
 Transmission: Warmed up
FigureAA
Figure
NOTE:
 After ECM reprogramming is complete, you will be required to perform Throttle Valve
Closed Position, Idle Air Volume Learn (IAVL), and Accelerator Closed Position.
 The above conditions are required for the IAVL to complete.
CAUTION:

Connect the GR8 battery charger to the vehicle battery.
The vehicle battery voltage must stay between 12.0V and 15.5V during reprogramming, or the
ECM/TCM may be damaged.

Be sure to turn OFF all vehicle electrical loads.
If a vehicle electrical load remains ON, the ECM/TCM may be damaged.

Be sure to connect the AC Adapter.
If the CONSULT PC battery voltage drops during reprogramming, the process will be interrupted
and the ECM/TCM may be damaged.

Turn off all external Bluetooth® devices (e.g., cell phones, printers, etc.) within range of the
CONSULT PC and the VI. If Bluetooth® signal waves are within range of the CONSULT PC
during reprogramming, reprogramming may be interrupted and the ECM/TCM may be damaged.
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1. Connect the CONSULT PC to the vehicle to begin the reprogramming procedure.
2. Open C-III plus.
3. Wait for the plus VI to be recognized / connected.

The serial number (Serial No.) will display when the plus VI is recognized / connected.
4. Select Re/programming, Configuration.
Step 3: VI is
recognized
Step
4
Figure 1
5. Follow the on-screen instructions and navigate C-III plus to the screen shown in Figure 2 on the next page.
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6. When you get to the screen shown in Figure 2, confirm this bulletin applies as follows:
A. Find the ECM Part Number and write it on the repair order.
NOTE: This is the current ECM Part Number (P/N).
6A: Current P/N
Figure 2
B. Compare the P/N you wrote down to the numbers in the CURRENT ECM PART NUMBER column in
Table A below.

If there is a match, this bulletin applies. Continue with the reprogramming procedure.

If there is not a match, ECM reprogramming does not apply. Refer to ASIST for further diagnosis.
Table A
CURRENT ECM PART NUMBER: 237109NE4A,
9NE5A,
9NE6A,
9NE7A,
9NE8A,
9NE9A,
9NE4B
9NE5B
9NE6B
9NE7B
9NE8B
9NE9B
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7. Follow the on-screen instructions to navigate C-III plus and reprogram the ECM.
NOTE:

In some cases, more than one new P/N for reprogramming is available.
 In this case, the screen in Figure 3 displays.
 Select and use the reprogramming option that does not have the message “Caution! Use ONLY
with ITBXX-XXX”.

If you get this screen and it is blank (no reprogramming listed), it means there is no reprogramming
available for this vehicle. Close C-III plus and refer back to ASIST for further diagnosis.
Figure 3
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8. When the screen in Figure 4 displays, reprogramming is complete.
NOTE: If the screen in Figure 4 does not display (reprogramming does not complete), refer to the
information on the next page.
9. Disconnect the battery charger from the vehicle.
10. Select Next.
Step
10
Figure 4
NOTE:

In the next steps (page 8), you will perform Throttle Valve Closed Position, Idle Air Volume Learn,
Accelerator Closed Position, and DTC erase.

These operations are required before C-III plus will provide the final reprogramming confirmation
report.
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ECM recovery:
Do not disconnect plus VI or shut down Consult III plus if reprogramming does not complete.
If reprogramming does not complete and the “!?” icon displays as shown in
Figure 5:

Check battery voltage
(12.0–15.5 V).

Ignition is ON, engine OFF.

External Bluetooth® devices are
OFF.

All electrical loads are OFF.

Select retry and follow the on
screen instructions.

“Retry” may not go through on first
attempt and can be selected more
than once.
Figure 5
If reprogramming does not complete and the “X” icon displays as shown in
Figure 6:

Check battery voltage
(12.0 – 15.5 V).

CONSULT A/C adapter is plugged
in.

Ignition is ON, engine OFF.

Transmission is in Park.

All C-III plus / plus VI cables are
securely connected.

All C-III plus updates are installed.

Select Home, and restart the
reprogram procedure from the
beginning.
Figure 6
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11. Follow the on-screen instructions to perform the following:

Throttle Valve Closed Position.

Idle Air Volume Learn (IAVL).
NOTE:
 Listed below are the conditions required for IAVL to complete.
 If IAVL does not complete within a few minutes, a condition may be out of range.
o Engine coolant temperature: 70 -100° C (158 - 212°F).
o Battery voltage: More than 12.9V (At idle).
o Selector lever: P or N.
o Electric load switch: OFF (Air conditioner, headlamp, and rear window defogger).
o Steering wheel: Neutral (Straight-ahead position).
o Vehicle speed: Stopped.
o Transmission: Warmed up (ATF TEMP SE less than 0.9V).

Accelerator Pedal Close Position Learning.

Erase DTCs.
Continue to the next page.
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12. When the entire reprogramming process is complete, the screen in Figure 7 will display.
13. Verify the before and after part numbers are different.
14. Print a copy of this screen (Figure 7) and attach it to the repair order for warranty documentation.
15. Select Confirm.
Step
13
Step
14
Step
15
Figure 7
16. Close C-III plus.
17. Turn the ignition OFF.
18. Disconnect the plus VI from the vehicle.
Go to the next page.
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Rear O2 Sensor(s)
1. Replace the rear O2 sensor(s) on the affected bank(s) (related to the stored DTC).

Refer to section EM-Mechanical of the appropriate Electronic Service Manual (ESM) for rear O2
sensor replacement.
NOTE: Do NOT replace both rear O2 sensors if the DTC(s) is for one rear O2 sensor.
WARNING: Exhaust system parts may be hot.
2. Test drive the vehicle and make sure it operates correctly and the MIL is OFF.

If the MIL comes ON, go back to ASIST for further diagnostic information.

Diagnosis and repairs beyond the contents of this bulletin are not covered by this bulletin.
PARTS INFORMATION
DESCRIPTION
PART NUMBER
QTY
HEATED OXYGEN SENSOR, LH REAR
226A0-BV80A
1
HEATED OXYGEN SENSOR, RH REAR
226A0-4LA0A
1
CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
Replace Rear O2 Sensor
One
DESCRIPTION
PFP
OP CODE
SYM
DIA
Replace Rear O2 Sensor
(1)
DE53AA
HD
32
(1) Use the appropriate part number listed above in the parts information table.
(2) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.
FRT
(2)
Or
Both
DESCRIPTION
PFP
OP CODE
SYM
DIA
Replace Rear O2 Sensors
(1)
DE55AA
HD
32
(1) Use the appropriate part number listed above in the parts information table.
(2) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.
FRT
(2)
And on the same repair line:
DESCRIPTION
OP CODE
FRT
Reprogram ECM
DE97AA
(1) (2)
(1) Reference the current Infiniti Warranty Flat Rate Manual and use the indicated FRT.
(2) FRT allows adequate time to access DTC codes and reprogram ECM. No other diagnostic procedures
subsequently required. Do NOT claim any Diagnostic Op Codes with this claim.
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