QX56 RWD V8-5.6L (VK56VD) (2011)
Evaporative Emissions System: Technical Service Bulletins
Emissions - EVAP DTC Leak Diagnostics
Classification: EC09-002C
Reference: ITB09-012C
Date: April 6, 2011
EVAP LEAK DTC DIAGNOSIS
This bulletin has been amended. The REPAIR FLOW CHART and CLAIMS INFORMATION have been amended. Please discard all previous copies.
APPLIED VEHICLES: 2007 - 2011 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.