Toyota Yaris: Mass Air Flow Meter / Installation

NOTICE:

• If the mass air flow meter has been struck or dropped, replace it.
• If reusing the mass air flow meter, be sure to inspect the O-ring.
• Make sure that the O-ring is not cracked or moved out of place when installing the mass air flow meter.

Inspection

INSPECTION PROCEDURE 1. INSPECT MASS AIR FLOW METER (a) Perform a visual check for any foreign matter on the temperature sensor (thermistor) of the mass air flow meter shown in the illustration...

Relay

InspectionINSPECTION PROCEDURE 1. INSPECT NO.1 ELECTRONIC FUEL INJECTION MAIN RELAY (EFI-MAIN NO. 1) (a) Measure the resistance according to the value(s) in the table below...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Operation Check

OPERATION CHECK CHECK FRONT SEAT HEATER (a) for LH Side: (1) Turn the ignition switch to ON. (2) Set the seat heater switch LH to "HI" or "LO" and check that the seat heater operates. OK: Seat cushion side and seatback side operate together (3) Operate the seat heater switch LH to switch the seat heater to "HI" or "LO" and check that the heater level indicator illuminates or turns off...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Terminals Of Ecu

TERMINALS OF ECU *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...