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:

Engine coolant temperature circuit
Description A thermistor, whose resistance value varies according to the ect, is built into the engine coolant temperature (ect) sensor. The structure of the sensor and its connection to the ecm are the same as those of the intake air temperature (iat) sensor. Hint: When any of dtcs ...

Only passenger door lock / unlock functions do not operate
Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Read value of intelligent tester (lock position switch) Use the data list to check if the door lock is functioning properly. ...

Abbreviations used in manual
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