Toyota RAV4 manuals

Toyota RAV4 Service Manual: Diagnosis system

  1. Description

  1. Data of the system can be read through the data link connector 3 (dlc3) of the vehicle.

    Therefore, when the system seems to be malfunctioning, use the intelligent tester to check for a malfunction and repair it.

  1. Check dlc3

Toyota RAV4. Check dlc3


  1. The vehicle's ecm uses iso 15765-4 communication protocol. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 15765-4 format.

Hint:

Connect the cable of the intelligent tester to the dlc3, turn the ignition switch on and attempt to use the tester. If the display indicates that a communication error has occurred, there is a problem either with the vehicle or with the tester.

Toyota RAV4. Check dlc3


Toyota RAV4. Check dlc3


Terminals of ecu
Check combination meter assembly Disconnect the e19 meter connector. Measure the voltage and resistance of the wire harness side connector. If the result is not as specifie ...

Data list / active test
Active test Hint: Performing the intelligent tester active test allows relay, vsv, actuator and other items to be operated without removing any parts. Performing the active test early in tro ...

Other materials:

Installation
Install knock sensor Install the sensor with the nut. Torque: 20 n*m (205 kgf*cm, 15 ft.*Lbf) Notice: Make sure that the knock sensor is in the correct position. Connect the sensor connector. Install intake manifold insulator install the intake manifold insulat ...

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 ...

Diagnosis system
Check dlc3 The ecm uses iso 15765-4 for communication. The terminal arrangement of the dlc3 complies with sae j1962 and matches the iso 15765-4 format. If the result is not as specified, the dlc3 may have a malfunction. Repair or replace the harness and connector. Hint: Conn ...

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