LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (1 Of 7) >> SFI System >> DTC P0101: Mass Air Flow Circuit Range / Performance Problem [08/2015 - ] >> Typical Enabling Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Typical Enabling Conditions

Monitor runs whenever following DTCs not stored None
Throttle position (TP sensor voltage) 0.2 to 3.6 V
Time after engine start 5 seconds or more
Battery voltage 10.5 V or more
Engine coolant temperature 70°C (158°F) or more
Estimated load 30 to 100%
MAF sensor circuit fail (P0102, P0103) Not detected
IAT sensor circuit fail (P0112, P0113) Not detected
ECT sensor circuit fail (P0115, P0117, P0118) Not detected
CKP sensor circuit fail (P0335, P0337, P0338) Not detected
TP sensor circuit fail (P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135) Not detected
Canister pressure sensor circuit fail (P0452, P0453) Not detected
EVAP leak detection pump fail (P2401, P2402) Not detected
EVAP vent valve fail (P2419, P2420) Not detected