Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: 4Wd control ecu communication stop mode

Description

Toyota RAV4. 4Wd control ecu communication stop mode


Hint:

For vehicle with 4wd only.

Wiring diagram

Toyota RAV4. 4Wd control ecu communication stop mode


Inspection procedure

Notice:

Hint:

Operating the ignition switch, any switches or any doors triggers related ecu and sensor communication with the can, which causes resistance variation.

  1. Check can bus line for disconnection (4wd control ecu branch wire)

Toyota RAV4. Check can bus line for disconnection (4wd control ecu branch wire)


  1. Disconnect the e57 4wd control ecu connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance



  1. Check wire harness (4wd control ecu - battery and body ground)

Toyota RAV4. Check wire harness (4wd control ecu - battery and body ground)


  1. Disconnect the e57 4wd control ecu connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance


  1. Measure the voltage of the wire harness side connector.

Standard voltage




Replace 4wd control ecu

Center airbag sensor communication stop mode
Description Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the branch wire. After the ignition swi ...

Can bus line
Description When any dtc for the can communication system is output, first measure the resistance between the terminals of the dlc3 to specify the trouble area, and check that there is not a sho ...

Other materials:

Transponder chip malfunction
Description This dtc is output when: 1) during key code registration, a key malfunction occurs; 2) the key code was unable to be registered properly. Inspection procedure Reregister key Clear the dtc (see page ei-18). Reregister the key code with the transponder key ecu (s ...

Motor terminal voltage malfunction
Description The power steering ecu supplies the current to the power steering motor through the motor circuit. Wiring diagram Inspection procedure Read value of intelligent tester (motor voltage) Connect the intelligent tester (with can vim) to the dlc3. Turn the ignitio ...

Driving assist systems
To keep driving safety and performance, the following systems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. Summary of the driving assist systems â–  ABS ( ...

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