LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Infiniti
>>
1990
>>
Q45
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Engine Controls - Tests W/Codes
>>
Code 12: Airflow Meter (Q45)
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Code 12: Airflow Meter (Q45)
Fig 1: Q45 Code 12: Air Flow Meter Circuit Diagram
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Q45 Code 12: Air Flow Meter & ECU Harness Location
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Q45 Code 12: Air Flow Meter Flow Chart
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.