LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2019 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System (A25A-FKS) - Diagnostic Codes (2 Of 9)) >> SFI System >> DTC P0100-64: Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure [08/2020 - ] >> Description

DTC P0100-64: Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure [08/2020 - ]: Description

WARNING: This page is about a different car, the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

Refer to DTC P0100-12.

Refer to DESCRIPTION 

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0100-64 Mass or Volume Air Flow Sensor "A" Signal Plausibility Failure All of the following conditions are met (2 trip detection logic).
  1. The engine is running.
  2. The engine coolant temperature is 70°C (158°F) or higher.
  3. The throttle position sensor voltage is 0.2 V or higher, and less than 2 V.
  4. Average engine load value ratio is less than 0.85, or higher than 1.15 (varies with estimated engine load).

    Average engine load value ratio = Average engine load based on mass air flow meter sub-assembly output / Average engine load estimated from driving conditions

  5. Average air fuel ratio is less than -5%, or higher than 10%.
  • Mass air flow meter sub-assembly
  • Intake system
  • PCV hose connections
  • EGR valve assembly
 Comes on DTC stored
  • SAE Code: P0101
  • DTC for Mexico Models: Does not apply
scientia non olet · About LEMON Manuals