Toyota RAV4 manuals

Toyota RAV4 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:

Terminals of ecu
Check tire pressure warning ecu Disconnect the e56 ecu connector. Measure the voltage and resistance of the wire harness side connector. If the result is not as specified, there may be a malfunction on the wire harness side. Reconnect the e56 ecu connector. Measure the ...

The keys
The following keys are provided with the vehicle. Vehicles without a smart key system (type a) Master keys Operating the wireless remote control function Valet key Key number plate Vehicles without a smart key system (type b) Master keys Operating the wireless r ...

Propeller shaft system
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 th ...

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