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:

Check for open circuit
For an open circuit in the wire harness in fig. 1, Check the resistance or voltage, as described below. Check the resistance. Disconnect connectors a and c, and measure the resistance between them. Standard resistance (fig. 2) Hint: Measure the resistance while lightly s ...

Room temperature sensor (for automatic ai conditioning system)
Components Removal Remove lower instrument panel Remove the lower instrument panel (see page ip- 16). Remove room temperature sensor Disconnect the duct. Disconnect the connector. Detach the claws and remove the sensor. Inspection Inspect room temperature ...

Cooling fan relay
On-vehicle inspection 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 engine room no. 2 Relay block cover Inspect ...