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:

Open in abs solenoid relay circuit
Description The solenoid relay supplies power to the abs solenoid and trc solenoid. After the ignition switch is turned on, the vehicle speed has reached 6 km/h (4 mph) and the solenoid is determined to be normal by the initial check self-diagnosis, the relay switches on. If any open or ...

Starter relay circuit high
Description While the engine is being cranked, the positive battery voltage is applied to terminal sta of the ecm. If the ecm detects the starter control (sta) signal while the vehicle is being driven, it determines that there is a malfunction in the sta circuit. The ecm then illuminates ...

Diagnosis system
Description Data of the system can be read through the data link connector 3 (dlc3) of the vehicle. Therefore, when the system seems to be malfunctioning, use the intelligent tester to check for a malfunction and repair it. Check dlc3 The vehicle's ecm uses iso 157 ...