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

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 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:

For vehicles equipped with mobile communication systems
Install the antenna as far away from the ecu and sensors of the vehicle electronic systems as possible. Install an antenna feeder at least 20 cm (7.87 In.) Away from the ecu and sensors of the vehicle electronic systems. For details about ecu and sensor locations, refer to the sec ...

Refueling
Opening the fuel tank cap Perform the following steps to open the fuel tank cap: Before refueling the vehicle Close all the doors and windows, and turn the engine switch to OFF. Confirm the type of fuel. â– Fuel tank opening for unleaded gasoline To help prevent incorrect fueling, your vehicle ...

Terminals of ecu (2005/11-2006/01)
Check air conditioning amplifier Measure the voltage and resistance of the connectors. Hint: Check from the rear of the connector while it is connected to the air conditioning amplifier. Using an oscilloscope, check waveform 1. Compressor and pulley operation signa ...

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