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2019 Nissan-Datsun Altima Diagnostic and Repair Information # 11-097 Date: 111021

2019 Nissan-Datsun Altima Diagnostic and Repair Information # 11-097 Date: 111021



Engine Controls - Intake Air Volume Learn Won't Complete



Classification: EC11-027



Reference: NTB11-097



Date: October 21, 2011



INTAKE AIR VOLUME LEARN WILL NOT COMPLETE



APPLIED VEHICLES: All



APPLIED DATES: 2007-2012



SERVICE INFORMATION



If IAVL will not complete using CONSULT:



a. While the engine is running, disconnect "Mass Air Flow" (MAF) sensor for 10-15 seconds until MIL (P0102 or P010C) comes on, and then



reconnect before performing "Intake Air Volume Learn" (IAVL).



> If vehicle has two MAF sensors, disconnect only one in prior step and leave the second one connected; then reconnect.



> Engine may stop running when idle reduction occurs. Reconnect MAF sensor and continue to step "b".



2019 Nissan-Datsun Altima L4-2.5L (QR25DE) Page 187



NOTE:



If P0102 or P010C were not stored when DTC was confirmed, repeat step "a" until idle is reduced.



a. Clear any DTC's that may have set during MAF disconnect.



b. Perform IAVL.



c. Confirm that idle is now within specification for model and year of vehicle being worked on.



See Electronic Service Manual for procedure to set IAVL and for vehicle idle specifications.

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