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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 69 (Engine Control System (2GR-FE) (Diagnostic Codes (P0010-P0340) & Circuit Tests)) >> SFI System >> DTC P0101: Mass or Volume Air Flow Circuit Range / Performance Problem >> Description

DTC P0101: Mass or Volume Air Flow Circuit Range / Performance Problem: Description

WARNING: This page is about a different variant/trim than selected.

Refer to DTC P0102, refer to DESCRIPTION .

DTC No. DTC Detection Condition Trouble Area
P0101 Conditions (a), (b), (c), (d) and (e) continue for more than 10 seconds (2 trip detection logic):
(a) Engine running
(b) Engine coolant temperature 70°C (158°F) or higher
(c) Throttle Position (TP) sensor voltage 0.24 V to 2.0 V
(d) Average engine load value ratio less than 0.84, or more than 1.44 (varies with estimated engine load)
Average engine load value ratio = Average engine load based on MAF meter output / Average engine load estimated from driving conditions
(e) Average air-fuel ratio less than -20%, or more than 20%
  • Mass Air Flow (MAF) meter
  • Air induction system
  • PCV hose connections