Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 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:

Inspection
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Rear window wiper and washer
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If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt or snow: Stop the engine. Set the parking brake and shift the shift lever to p. Remove the mud, snow or sand from around the stuck tire. Place wood, stones or some other material to help provide t ...

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