Toyota RAV4 manuals

Toyota RAV4 Service Manual: 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 short in the can main wire, between the main wire, to +b, or to gnd.

Wiring diagram

Toyota RAV4. Can bus line


Toyota RAV4. Can bus line


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 wire (main wire for open, can bus lines for short circuit)

Toyota RAV4. Check can bus wire (main wire for open, can bus lines for short circuit)


  1. Measure the resistance of the dlc3.

Standard resistance




  1. Check can bus line for short to +b

Toyota RAV4. Check can bus line for short to +b


  1. Measure the resistance of the dlc3.

Standard resistance




  1. Check can bus line for short to gnd

Toyota RAV4. Check can bus line for short to gnd


  1. Measure the resistance of the dlc3.

Standard resistance




Check how to proceed with troubleshooting

4Wd control ecu communication stop mode
Description Hint: For vehicle with 4wd only. Wiring diagram Inspection procedure Notice: Turn the ignition switch off before measuring the resistances of the main wire and the bra ...

Open in can main wire
Description There may be an open circuit in the can main wire and / or the dlc3 branch wire when the resistance between terminals 6 (canh) and 14 (canl) of the dlc3 is 69 ù or more. Wi ...

Other materials:

Precaution
Caution: The vehicle is equipped with a supplemental restraint system (srs), which consists of a steering pad, front passenger airbag, curtain shield airbag, front seat side airbag, seat belt pretensioner, center airbag sensor, front airbag sensor, side airbag sensor, rear airbag senso ...

Steering wheel
Safety information Warning Steering wheel adjustments while driving can lead to unexpected steering wheel movements. Vehicle control could be lost. There is a risk of accident. Adjustng the steering wheel while the vehicle is stationary only. Electric steering wheel adjustment General information ...

Rear view monitor system
The rear view monitor system assists the driver by displaying an image of the view behind the vehicle and fixation guide lines while backing up, for example while parking. The screen illustrations used in this text are intended as examples, and may differ from the image that is actually displaye ...

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