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:
Power supply relay failure
Description
If the power steering ecu detects these dtcs, it shuts off the motor relay
circuit (built into the power
steering ecu) and stops power assist.
Inspection procedure
Reconfirm dtc
Check for dtc.
Ok:
dtc is not output.
Replace power steering ecu ...
Tire and wheel system
Inspection
Inspect tire
Check the tires for wear and proper inflation
pressure.
Standard cold tire inflation pressure:
220 kpa (2.2 Kgf/cm2, 32 psi)
Using a dial indicator, check the runout of the tires.
Standard tire runout:
1.0 Mm (0.039 In.) Or less
Rotate tire
...
Air outlet damper control servo motor circuit
Description
The damper servo sends pulse signals to indicate the damper position to the
air conditioning amplifier.
The air conditioning amplifier activates the motor (normal or reverse) based on
these signals to move the
mode damper to the appropriate position, which controls the air o ...
