Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Multiplex communication circuit

Toyota RAV4. Multiplex communication circuit


Description

The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.

Toyota RAV4. Multiplex communication circuit


Wiring diagram

Toyota RAV4. Multiplex communication circuit


Inspection procedure

  1. Check dtc

  1. Clear the dtc (see page ac-31).
  2. 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:

Disassembly
Caution: Wear protective gloves. Sharp areas on the seatback frame, seat cushion frame and reclining adjuster may injure your hands. Remove rear seat headrest assembly Remove rear seat center headrest assembly Remove center armrest hinge cover rh Return the seatback to the upr ...

On-vehicle inspection
Check throttle body Check the throttle control motor operating sounds. Turn the ignition switch on. When pressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises emit from the motor. If friction noise exists, replace t ...

What to do if... (Troubleshooting)
If there is a problem with the hands-free system or a bluetooth® device, first check the table below. When using the hands-free system with a bluetooth® device When registering/connecting a cellular phone When making/receiving a call When using the contact list W ...

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