Classification:

Reference:

Date:

EC11-007a

ITB11-017a

November 26, 2014

2003 – 2008 FX35;
DTC P0300 AND IGNITION COILS BLISTERED
This bulletin has been amended. The battery cable descriptions in the Parts Information have been corrected.
Please discard previous versions of this bulletin.

APPLIED VEHICLES: 2003 – 2008 FX35 (S50)
IF YOU CONFIRM
Cylinder Misfire DTC (P0300 through P0306) is stored in the ECM,
and
One or more of the ignition coils is blistered (outer surface is deformed/melted),
NOTE: The above conditions may also be accompanied by one or more of the following:
 Hesitation on acceleration
 Rough running engine (engine misfire)
 Engine cranks but will not start
ACTIONS
1. Replace the steering member mounting bolt on the RH side of the IP.
2. Clean engine harness grounds.
3. Replace both negative battery cables.
IMPORTANT: Make sure to replace the bolts for the battery cable ends. Do not clean and reuse.
4. Remove and inspect all 6 ignition coils for damage.
5. Erase DTCs, test drive the vehicle.

IMPORTANT: The purpose of ACTIONS (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
1. Write down the radio station presets.
Presets
A
B
C
SAT

1

2

3

4

5

6

2. Write down the customer settings for the Automatic A/C.




Temperature Setting trimmer
Foot Position Setting Trimmer
Inlet Port Memory Function.

NOTE: Refer to section ATC in Service Manual as needed.

3. Disconnect the negative battery cable.

4. Remove and inspect all 6 ignition coils for damage.

5. Remove the glove box.


Refer to the Electronic Service Manual (ESM), section IP-Instrument Panel, for glove box removal
information.

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ITB11-017a

6. Replace the lower bolt at the RH steering member (support tube) mounting point (see Figure 1).


Locate the steering member RH mounting point.



Remove and discard the old lower mounting bolt.



Install a new lower mounting bolt.



New bolt is listed in the Parts Information (P/N 01456-00031).



The new bolt does not have a washer.

Locate and replace this bolt.

Passenger side
kick panel

Figure 1

7. Reinstall the glove box in reverse order.

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ITB11-017a

8. At the front of the engine, locate and clean the
engine harness grounds F11 and F51 (see Figures
2 and 3).
a. Remove the bolts.
b. Clean the bolts, eyelets, and engine surface.
F11

c. Reinstall the bolts.

F51

Figure 2

Figure 3

9. Replace the negative battery cable (battery to
body).


New battery cable is listed in the Parts
Information.



Make sure all cable mating surfaces are
clean.



Use new bolts for the body end of the
battery cable (see Figure 4).



New bolts are listed in the Parts Information
(P/N 01456-00031).

Use new bolts

Figure 4

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ITB11-017a

10. Replace the negative battery cable (body to engine). See Figures 5, 6 and 7.
 New battery cable is listed in the Parts Information.


Make sure all cable mating surfaces are clean.



Use new bolts at body side (E314) cable end.



New bolts are listed in the Parts Information (P/N 01456-00031).

Cable end
E314 – use
new bolts
Cable end
E315
Cable end
E316
Figure 5

Figure 6

Figure 7

11. Connect the negative battery cable to the battery.
12. Reset the clock and the radio station presets.
13. Reset the Automatic A/C settings.
14. Inform the customer they will need to reset their ADP (Auto Drive Position) settings.
15. Erase codes stored in the ECM.
16. Test drive the vehicle; make sure the engine operates normally and no codes are stored in the ECM.

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ITB11-017a

PARTS INFORMATION
DESCRIPTIONS
Cable-Battery
(body to engine)

PART #

QUANTITY

24083-CG000

1

24080-AL510
1
(built up to and including January 2006
24080-CL70A
1
(built February 2006 and after)
22448 – AL615
(built up to and including March 2007)
Ignition Coil *
up to 6
22448 – AL61C
(Built March 2007 and later)
Bolt-Ground
01456-00031
5
* Use the VIN and the electronic parts catalog (FAST or equivalent) to confirm the correct part number.
Cable-Battery *
(battery to body)

CLAIMS INFORMATION
Submit a Primary Part (PP) type line claim using the following claims coding:
DESCRIPTION
PFP
OP CODE
SYM
DIA
FRT
Negative Battery Cable Repair
(1)
GX31AA
HD
42
1.5 hrs.
(DTC P0300)
(1) Reference the Parts Information Table and use the “Cable-Battery (battery to body)” P/N as the PFP.

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ITB11-017a