Toyota RAV4 (XA40) 2013-2018 Service Manual: 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 through the air conditioning harness. Each servo sends damper position information to the air conditioning amplifier.
Wiring diagram
Inspection procedure
- Check air conditioning amplifier
- Remove the air conditioning amplifier with its connectors still connected.
- Measure the resistance of the wire harness side connector.
Standard resistance
- Check air conditioning amplifier
- Remove the air conditioning amplifier with its connectors still connected.
- Measure the voltage of the wire harness side connector.
Standard voltage
Replace air conditioning harness assembly
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
r ...
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 dt ...
Other materials:
Rear brake flexible hose
Installation
Hint:
Use the same procedures for the lh side and rh side.
The procedures listed below are for the lh side.
Install rear brake tube flexible hose
Notice:
The gasket and union bolt must be used as a set, as
shown in the illustration.
Connect the flexible hose wi ...
Towing related terms
â– GCWR (Gross Combination
Weight Rating)
The maximum allowable gross
combination weight. The gross combination weight is the sum
of the total vehicle weight
(including the occupants, cargo
and any optional equipment
installed on the vehicle) and the
weight of the trailer being towed
(including the ...
Seat belt pretensioners (front seats)
The pretensioners help the seat
belts to quickly restrain the occupants
by retracting the seat belts
when the vehicle is subjected to
certain types of severe frontal or
side collision or a vehicle rollover.
The pretensioners do not activate
in the event of a minor frontal
impact, a minor ...
