Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSINFINITI2013G37 CONVERTIBLE V6-3.7L (VQ37VHR)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSEMISSIONS - EVAP LEAK DIAGNOSIS
2013 Infiniti G37 Convertible V6-3.7L (VQ37VHR)
Emissions - EVAP Leak Diagnosis
2013 Infiniti G37 Convertible V6-3.7L (VQ37VHR)SECTION Emissions - EVAP Leak Diagnosis
Classification:
EC09-002e
Reference:
ITB09-012e
Date:
April 4, 2013
EVAP LEAK DTC DIAGNOSIS
This bulletin has been amended to the APPLIED VEHICLES section. Please discard all previous versions of this bulletin.
APPLIED VEHICLES:
2007 - 2013 Infiniti vehicles
SERVICE INFORMATION
If one or more DTCs listed below related to EVAP system leaks is found stored in Self Diagnosis use the REPAIR FLOW CHART. Use the EVAP system diagram for reference.
^ DTCs: P0442 P0455 and P0456
^ This Service Procedure can be used in addition to the procedure(s) outlined in the applicable Service Manual and other bulletins applicable to specific EVAP leak DTCs when necessary.
^ If a Smoke (Leak Detection) Machine is available and preferred the REPAIR FLOW CHART can still be used. This tool would be used in place of watching for pressure drop and spraying with soapy water. Refer to the Machine's Operator's Manual for proper use.
CAUTION:
Use Essential Tool J-42909 (sent out to dealers September 1997) or equivalent to pressurize the EVAP system. Do not pressurize over the amount specified in the applicable Service Manual. Do NOT use shop air pressure.
IMPORTANT NOTE:
If an EVAP system DTC(s) not related to EVAP leaks is/are found stored in Self Diagnosis this bulletin does not apply. Refer to ASIST and the appropriate Service Manual for diagnostic procedure(s) as needed.
CLAIMS INFORMATION
Disclaimer
EC09-002e
Reference:
ITB09-012e
Date:
April 4, 2013
EVAP LEAK DTC DIAGNOSIS
This bulletin has been amended to the APPLIED VEHICLES section. Please discard all previous versions of this bulletin.
APPLIED VEHICLES:
2007 - 2013 Infiniti vehicles
SERVICE INFORMATION
If one or more DTCs listed below related to EVAP system leaks is found stored in Self Diagnosis use the REPAIR FLOW CHART. Use the EVAP system diagram for reference.
^ DTCs: P0442 P0455 and P0456
^ This Service Procedure can be used in addition to the procedure(s) outlined in the applicable Service Manual and other bulletins applicable to specific EVAP leak DTCs when necessary.
^ If a Smoke (Leak Detection) Machine is available and preferred the REPAIR FLOW CHART can still be used. This tool would be used in place of watching for pressure drop and spraying with soapy water. Refer to the Machine's Operator's Manual for proper use.
CAUTION:
Use Essential Tool J-42909 (sent out to dealers September 1997) or equivalent to pressurize the EVAP system. Do not pressurize over the amount specified in the applicable Service Manual. Do NOT use shop air pressure.
IMPORTANT NOTE:
If an EVAP system DTC(s) not related to EVAP leaks is/are found stored in Self Diagnosis this bulletin does not apply. Refer to ASIST and the appropriate Service Manual for diagnostic procedure(s) as needed.
CLAIMS INFORMATION
Disclaimer
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.