Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 communication system
Compressor solenoid circuit (2006/01- )
Description
In this circuit, the compressor receives a refrigerant compression demand
signal from the air conditioning
amplifier. Based on this signal, the compressor changes the degree of
ref ...
Blower motor circuit
Description
When the heater control (blower switch) is set to position 1 or higher, the
contact of the htr relay is
closed, current flows to the blower motor, and the blower motor operates. The
...
Other materials:
Air conditioning filter
The air conditioning filter
must be changed regularly
to maintain air conditioning
efficiency.
Removal method
1. Turn the engine switch to
OFF.
2. Open the glove box and slide
off the damper.
3. Push in each side of the
glove box to disconnect the
claws, and then slowly and
fully open the glove bo ...
Inspection
Inspect camshaft position sensor
Measure the resistance of the sensor.
Standard resistance
Notice:
Cold and hot mean the temperature of the coils
themselves. Cold is from -10 to 50°c (14 to 122
°f) and hot is from 50 to 100°c (122 to 212°f).
If the result is not as specif ...
Replacement
discharge refrigerant from refrigeration system
Start up the engine.
Turn the a/c switch on.
Operate the cooler compressor with an engine
speed of approximately 1,000 rpm for 5 to 6 minutes
to circulate the refrigerant and collect the
compressor oil remaining in each component int ...
