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:

Power seat switch
Inspection Inspect front power seat switch Measure the resistance between the terminals when each switch is operated. Standard resistance Slide switch Front vertical switch Lifter switch Reclining switch If the result is not as specified, replace the switch. ...

General maintenance
Listed below are the general maintenance items that should be performed at the intervals specified in the “owner’s warranty information booklet” or “owner’s manual supplement/scheduled maintenance guide”. It is recommended that any problem you notice should be brought to the attentio ...

How to proceed with troubleshooting
Hint: Use these procedures to troubleshoot the seat belt warning system. *: Use the intelligent tester. Vehicle brought to workshop Inspect battery voltage Standard voltage: 11 to 14 v If the voltage is below 11 v, recharge or replace the battery before proceeding. ...

© 2011-2021 Copyright www.trav4.net