2010 Scion tC StandardFACTORY OEM SERVICE PROCEDURE

Mass Air Flow Meter: Removal: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    WARNING:

    Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

  2. REMOVE MASS AIR FLOW METER 
    1. Disconnect the mass air flow meter connector.
      Fig 1: Identifying Mass Air Flow Meter Connector With Screws
      GTY162422Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 screws and mass air flow meter.
Chapter Navigation
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.