Toyota RAV4 (XA40) 2013-2018 Service Manual: Mass air flow meter

Mil circuit

Description The mil (malfunction indicator lamp) is used to indicate vehicle malfunction detections by the ecm. When the ignition switch is turned on, power is supplied to the mil circuit, and ...

On-vehicle inspection

Notice: Perform the maf meter inspection according to the procedures below. Only replace the maf meter when both the long ft#1 value and maf value in the data list (with the engine stopped ...

Other materials:

Intake air temperature circuit malfunction
Description The intake air temperature (iat) sensor, mounted on the mass air flow (maf) meter, monitors the iat. The iat sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the iat is low, the resistance of the thermist ...

Short in front passenger side squib circuit
Description The front passenger side squib circuit consists of the center airbag sensor and the front passenger airbag. The circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in the front passenger side sq ...

Tire pressure warning light circuit
Description If the tire pressure warning ecu detects trouble, the tire pressure warning light turns on and tire pressure monitor is canceled at the same time. At this time, the ecu records a dtc in memory. Connect terminals tc and cg of the dlc3 to make the tire pressure warning light bli ...