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:
The rear cross traffic
alert function
The areas that vehicles can be detected in are outlined below.
The range of the detection area
extends to:
Approximately 11.5 Ft. (3.5 M)
from the side of the vehicle
The first 1.6 Ft. (0.5 M) from the
side of the vehicle is not in the
detection area
Approximately 9.8 Ft. (3 M) fr ...
Problem symptoms table
Hint:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "suspected area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...
Front seat cushion heater
Inspection
Inspect front seat cushion heater
assembly lh
Measure the resistance of the seat cushion heater.
Standard resistance
If the result is not as specified, replace the seat
cushion heater assembly.
Heat the thermostat with a light.
Measure the resistance of the sea ...
