Toyota Yaris: Mass Air Flow Meter / Installation

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / G16e-gts (engine Control) / Mass Air Flow Meter / Installation

INSTALLATION

PROCEDURE

1. INSTALL MASS AIR FLOW METER

(a) Install the mass air flow meter to the air cleaner cap sub-assembly with the 2 screws.

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.

(b) Connect the mass air flow meter connector.

2. PERFORM INITIALIZATION

(a) Perform "Inspection After Repair" after replacing the mass air flow meter.

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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: On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AUTOMATIC LIGHT CONTROL SENSOR (a) Check the wire harness. (1) Disconnect the automatic light control sensor. (2) Measure the voltage according to the value(s) in the table below. Standard Voltage: Tester Connection Switch Condition Specified Condition H78-1 (CLTB) - H78-2 (CLTE) Ignition switch on (IG) 11 to 14 V If the specified condition is not met, replace the vehicle wire harness...

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

TERMINALS OF ECU COMBINATION METER ASSEMBLY (a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition H6-1 (B) - Body ground Auxiliary battery Ignition switch off 11 to 14 V H6-9 (CANH) CAN communication line - - H6-10 (MSCL) Local bus communication line - - H6-11 (TX1-) - Body ground Outside temperature sensor signal - - H6-13 (FR2) - H6-24 (FE&B) Fuel level signal Ignition switch ON, fuel level full → low (fuel level warning light on) Pulse generation (See waveform 3) H6-14 (FV) - Body ground Fuel sender gauge (Power source) Ignition switch ON Pulse generation (See waveform 1) H6-15 (MSTI) - Body ground Steering pad switch signal Ignition switch ON, up, down, right and left switches on steering pad switch not pushed 4...