LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (Except Hybrid) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0102, P0103: MAF Sensor >> DTC Description >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0102 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit low input)
Diagnosis condition -
Signal (terminal) Mass air flow sensor signal
Threshold An excessively low frequency from the sensor is sent to ECM
Diagnosis delay time -
P0103 MAF SEN/CIRCUIT-B1
(Mass or volume air flow "A" circuit high input)
Diagnosis condition -
Signal (terminal) Mass air flow sensor signal
Threshold An excessively high frequency from the sensor is sent to ECM
Diagnosis delay time -