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:

Removal
Drain engine coolant (see page co-6) Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove air cleaner cap (see page es-41 ...

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

A/f sensor circuit slow response (bank 1 sensor 1)
Hint: Sensor 1 refers to the sensor mounted in front of the three-way catalytic converter (twc) and located near the engine assembly. Description Refer to dtc p2195 (see page es-292). Monitor description After the engine is warmed up, the ecm performs air-fuel ratio feedback contro ...