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-31).
- Read the dtc (see page ac-31).
Result 
Go to can communication system
Bus ic communication malfunction
Description
The air conditioning harness connects the air conditioning amplifier and the
servos. The air conditioning
amplifier supplies power and sends operation instructions to each servo th ...
Air conditioning control panel does not operate
Description
This circuit consists of the air conditioning control and the air
conditioning amplifier. When the air
conditioning control is operated, signals are transmitted to the air
conditioni ...
Other materials:
For safe driving
For safe driving, adjust the
seat and mirror to an appropriate
position before driving.
Correct driving posture
Adjust the angle of the seatback
so that you are sitting
straight up and so that you do
not have to lean forward to
steer.
Adjust the seat so that you
can depress the pedals full ...
Manual air conditioning system
Air conditioning controls
Fan speed control switch
Temperature control switch
On/off switch
Windshield defogger switch
Rear window and outside rear view mirror defoggers* switch
Airflow mode control switch
Outside/recirculated air mode switch
"A/C" switch
"MAX A/C" switch
*: If equipped
...
How to proceed with troubleshooting
Hint:
Use these procedures to troubleshoot the tire pressure
warning system.
*: Use the intelligent tester.
Vehicle brought to workshop
Inspect battery voltage
Standard voltage:
11 to 14 v
If the voltage is below 11 v, recharge or replace the battery
before proceeding.
...
