Toyota RAV4 (XA40) 2013-2018 Service Manual: Mass air flow meter
Components
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:
Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination
meter through the can
communication system.
Wiring diagram
Inspection procedure
Check dtc
Clear the dtc (see page ac-127).
Read the dtc (see page ac-127).
Result
Go to can ...
If the electronic key does
not operate properly (vehicles
with smart key system)
If communication between
the electronic key and vehicle
is interrupted or the electronic key cannot
be used because the battery
is depleted, the smart key
system and wireless remote
control cannot be used. In
such cases, the doors can
be opened and the engine
can be started by following
the procedur ...
Diagnostic trouble code chart
Hint:
If no abnormality is found when inspecting parts, check the
skid control ecu and check for poor contact at the ground
points.
If a dtc is displayed during the dtc check, check the
circuit for the dtc listed in the table below. For details of
each dtc, refer to the page indicated. ...
