2017 Infiniti G37 Sedan V6-3.7L Diagnostic and Repair Information # 10-010C Date: 100907
Engine Controls - Low Battery Voltage/No Start
Classification: EL09-050C
Reference: ITB10-010C
Date: September 7, 2010
G37; BATTERY LOW VOLTAGE / NO START
This bulletin has been amended. The Applied Vehicles section and Table A has been revised. No other changes have been made. Please discard all
previous copies.
APPLIED VEHICLES:
2008-2010 G37 Coupe (CV36)
2009-2010 G37 Sedan (V6)
2009-2010 G37 Convertible (HV36)
IF YOU CONFIRM
An Applied Vehicle has a battery low voltage or "no start condition" due to a specific customer use pattern (see Repair Overview flowchart").
NOTE:
A battery low voltage condition may cause an engine no crank or no start condition.
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ACTIONS
1. Confirm this bulletin applies (see Repair Overview flowchart).
NOTE:
If the customer use pattern DOES NOT MATCH the description in the Repair Overview this bulletin DOES NOT APPLY. Go back to ASIST for
further diagnostic and repair information.
2. If this bulletin applies use the Repair Overview flowchart to determine which repair procedures to apply to your 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 Repair
Overview as it contains information that is essential to successfully completing this repair.
PARTS INFORMATION
CLAIMS INFORMATION
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Repair Overview Flowchart
SERVICE PROCEDURE
ECM REPROGRAMMING
1. Begin the reprogramming procedure.
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Caution
2. When you get to the ECM Reprogramming screen shown in Figure 1 confirm reprogramming is needed as follows:
A. On your C-III screen look at the Part Number column (see Figure 1)
^ If this column is blank (no part number listed) proceed to VENT CONTROL VALVE TYPE CHECK.
^ If a Part Number is listed write it on the Repair Order.
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B. Compare the Part Number you wrote down to the numbers in the Current ECM Part Number column in Table A.
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^ If there is a match continue with the reprogramming procedure. If there is not a match proceed to VENT CONTROL VALVE TYPE CHECK.
3. If you have performed ECM reprogramming the screen in Figure 2 appears when reprogramming is complete.
NOTE:
If the screen in Figure 2 does NOT display (reprogramming does NOT complete).
VENT CONTROL VALVE TYPE CHECK - 2008 AND 2009 MODELS
For 2010 models proceed to BATTERY REPLACEMENT AND FINAL PROCESSES.
1. Compare the Vent Control Valve in your vehicle with the ones shown in the pictures above.
^ If it is the new style DO NOT REPLACE IT. Proceed to BATTERY REPLACEMENT AND FINAL PROCESS.
^ If it is the old style REPLACE IT with the one from the Parts Information section of this bulletin and then proceed to BATTERY
REPLACEMENT AND FINAL PROCESSES.
> Refer to the Electronic Service Manual for Vent Control Valve replacement information.
BATTERY REPLACEMENT AND FINAL PROCESSES
1. Replace the battery.
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^ The battery part number is listed in the Parts Information section of this bulletin.
^ Reset / Re-initialize Clock Radio Presets Power Windows ATC and Rear View Monitor. (Refer to Additional Service When Removing Battery
Negative Terminal in the GI section of the appropriate Service Manual for details.)
^ Make sure the replacement battery is fully charged and ready for service before releasing the vehicle to the customer.
2. If the ECM was reprogrammed:
a. Erase DTCs from all systems. (During the reprogramming DTCs will set in several systems and must be erased).
b. Test drive the vehicle. Make sure it operates correctly and the MIL is OFF.
^ If the MIL comes ON refer to ASIST for further diagnostic information.
^ Diagnosis and repairs beyond the ones described in the Repair Overview are not covered by this bulletin.
