Toyota RAV4 manuals

Toyota RAV4 Service Manual: Electronic control

Toyota RAV4. Electronic control


  1. Removal and installation of battery terminal

Notice:

Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.

  1. Before performing electronic work, disconnect the cable from the negative (-) battery terminal to prevent component and wire damage caused by accidental short circuits.
  2. When disconnecting the cable, turn the ignition switch off and headlight dimmer switch off and loosen the cable nut completely. Perform these operations without twisting or prying the cable. Then disconnect the cable.
  3. Clock settings, radio settings, audio system memory, dtcs and other data are erased when the cable is disconnected from the negative (-) battery terminal. Write down any necessary data before disconnecting the cable.
  1. Handling of electronic parts

Toyota RAV4. Handling of electronic parts


  1. Do not open the cover or case of the ecu unless absolutely necessary. If the ic terminals are touched, the ic may be rendered inoperative by static electricity.
  2. Do not pull the wires when disconnecting electronic connectors. Pull the connector.
  3. Be careful not to drop electronic components, such as sensors or relays. If they are dropped on a hard surface, they should be replaced.
  4. When cleaning the engine with steam, protect the electronic components, air filter and emission-related components from water.
  5. Never use an impact wrench to remove or install temperature switches or temperature sensors.
  6. When measuring the resistance of a wire connector, insert the tester probe carefully to prevent terminals from bending.
For vehicles with supplemental restraint system
The rav4 is equipped with a supplemental restraint system (srs). The srs of this vehicle consists of the following: Steering pad Front passenger airbag assembly Front seat side airbag assemb ...

Removal and installation of fuel control parts
Place for removing and installing fuel system parts Work in a location with good air ventilation that does not have welders, grinders, drills, electric motors, stoves, or any other igni ...

Other materials:

Axle 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 ...

Using the automatic air conditioning system
Press   . The dehumidification function begins to operate. Air outlets and fan speed are automatically adjusted according to the temperature setting and humidity. Turn   clockwise to increases the temperature and turn counterclockwise to decreases the temperature. T ...

Ecm power source circuit
Description When the ignition switch is turned on, the battery voltage is applied to the igsw of the ecm. The output signal from the mrel terminal of the ecm causes a current to flow to the coil, closing the contacts of the integration relay (efi main relay) and supplying power to either term ...

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