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-127).
  2. Read the dtc (see page ac-127).

Result




Go to can communication system

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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 ref ...

Blower motor circuit
Description When the heater control (blower switch) is set to position 1 or higher, the contact of the htr relay is closed, current flows to the blower motor, and the blower motor operates. The ...

Other materials:

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Description The main body ecu receives lock / unlock switch signals and activates the door lock motor accordingly. Wiring diagram Inspection procedure Read value of intelligent tester (lock position switch) Use the data list to check if the door lock is functioning properly. ...

Footwell light circuit
Description The main body ecu receives information regarding the door lock position switch and ignition switch, and turns on each foot light. Wiring diagram Inspection procedure Perform active test by intelligent tester (main body ecu) Connect the intelligent tester (with can vim ...

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Description The stop light switch is a duplex system that transmits two signals: stp and st1-. These two signals are used by the ecm to monitor whether or not the brake system is working properly. If the signals, which indicate the brake pedal is being depressed and released, are detected ...

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