Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Short in can bus lines

Toyota RAV4 (XA40) 2013-2018 Service Manual / Can communication / Fail-safe chart / Short in can bus lines

Description

There may be a short circuit between the can bus lines when the resistance between terminals 6 (canh) and 14 (canl) of the dlc3 is below 54 .


Toyota RAV4. Short in can bus lines


Wiring diagram

Toyota RAV4. Short in can bus lines


Toyota RAV4. Short in can bus lines


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 lines for short circuit (dlc3 branch wire)

Toyota RAV4. Check can bus lines for short circuit (dlc3 branch wire)


  1. Disconnect the e68 no. 2 Junction connector.
  2. Measure the resistance of the dlc3.

Standard resistance




  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (no. 1 Junction connector side)

Toyota RAV4. Check can bus lines for short circuit (no. 1 Junction connector side)


  1. Disconnect the a36 no. 1 Junction connector.
  2. Measure the resistance of the dlc3.

Standard resistance




  1. Check can bus lines for short circuit (no. 1 Junction connector - no. 2 Junction connector)

Toyota RAV4. Check can bus lines for short circuit (no. 1 Junction connector - no. 2 Junction connector)


  1. Disconnect the e68 no. 2 Junction connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance




  1. Connect connector

  1. Reconnect the a36 no. 1 Junction connector.
  2. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (no. 3 Junction connector, no. 4 Junction connector side)

Toyota RAV4. Check can bus lines for short circuit (no. 3 Junction connector, no. 4 Junction connector side)


  1. Disconnect the e70 no. 3 Junction connector.
  2. Measure the resistance of the dlc3.

Standard resistance




  1. Connect connector

  1. Reconnect the e70 no. 3 Junction connector.


  1. Check can bus lines for short circuit (no. 4 Junction connector side)

Toyota RAV4. Check can bus lines for short circuit (no. 4 Junction connector side)


  1. Disconnect the e69 no. 4 Junction connector.
  2. Measure the resistance of the dlc3.

Standard resistance




  1. Check can bus lines for short circuit (no. 3 Junction connector - no. 4 Junction connector)

Toyota RAV4. Check can bus lines for short circuit (no. 3 Junction connector - no. 4 Junction connector)


  1. Disconnect the e70 no. 3 Junction connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance



  1. Connect connector

  1. Reconnect the e69 no. 4 Junction connector.


  1. Check can bus lines for short circuit (no. 3 Junction connector - center airbag sensor assembly)

Toyota RAV4. Check can bus lines for short circuit (no. 3 Junction connector - center


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

Result




  1. Connect connector

  1. Reconnect the e70 no. 3 Junction connector.


  1. Check can bus lines for short circuit (center airbag sensor assembly)

Toyota RAV4. Check can bus lines for short circuit (center airbag sensor assembly)


  1. Disconnect the e45 center airbag sensor connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace center airbag sensor assembly

  1. Check can bus lines for short circuit (no. 1 Junction connector - ecm)

Toyota RAV4. Check can bus lines for short circuit (no. 1 Junction connector - ecm)


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

Result




  1. Check can bus lines for short circuit (no. 1 Junction connector - abs and traction actuator)

Toyota RAV4. Check can bus lines for short circuit (no. 1 Junction connector - abs and traction actuator)


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

Result




Repair or replace no. 1 Junction connector

  1. Connect connector

  1. Reconnect the a36 no. 1 Junction connector.


  1. Check can bus lines for short circuit (ecm)

Toyota RAV4. Check can bus lines for short circuit (ecm)


  1. Disconnect the a9 ecm connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace ecm

  1. Connect connector

  1. Reconnect the a36 no. 1 Junction connector.


  1. Check can bus lines for short circuit (abs and traction actuator)

Toyota RAV4. Check can bus lines for short circuit (abs and traction actuator)


  1. Disconnect the a19 abs and brake actuator (skid control ecu) connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace abs and traction actuator (skid control ecu)

  1. Connect connector

  1. Reconnect the e70 no. 3 Junction connector.


  1. Check can bus lines for short circuit (no. 2 Junction connector - yaw rate sensor)

Toyota RAV4. Check can bus lines for short circuit (no. 2 Junction connector - yaw rate sensor)


  1. Disconnect the e68 no. 2 Junction connector.
  2. Measure the resistance of the wire harness side connector.

Result




  1. Check can bus lines for short circuit (no. 2 Junction connector - power steering ecu)

Toyota RAV4. Check can bus lines for short circuit (no. 2 Junction connector - power steering ecu)


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

Result




  1. Check can bus lines for short circuit (no. 2 Junction connector - main body ecu)

Toyota RAV4. Check can bus lines for short circuit (no. 2 Junction connector - main body ecu)


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

Result




  1. Check can bus lines for short circuit (no. 2 Junction connector - air conditioning amplifier)

Toyota RAV4. Check can bus lines for short circuit (no. 2 Junction connector - air conditioning amplifier)


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

Result




  1. Check can bus lines for short circuit (no. 2 Junction connector - steering angle sensor)

Toyota RAV4. Check can bus lines for short circuit (no. 2 Junction connector - steering angle sensor)


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

Result




Repair or replace no. 2 Junction connector

  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (yaw rate sensor)

Toyota RAV4. Check can bus lines for short circuit (yaw rate sensor)


  1. Disconnect the k6 yaw rate sensor connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace yaw rate sensor

  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (power steering ecu)

Toyota RAV4. Check can bus lines for short circuit (power steering ecu)


  1. Disconnect the e18 power steering ecu connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace power steering ecu

  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (main body ecu)

Toyota RAV4. Check can bus lines for short circuit (main body ecu)


  1. Disconnect the e17 main body ecu connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace instrument panel junction block (main body ecu)

  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (air conditioning amplifier)

Toyota RAV4. Check can bus lines for short circuit (air conditioning amplifier)


  1. Disconnect the e37*1 or e36*2 air conditioning amplifier connector.

Hint:

  1. Measure the resistance of the dlc3.

Standard resistance




Replace air conditioning amplifier

  1. Connect connector

  1. Reconnect the e68 no. 2 Junction connector.


  1. Check can bus lines for short circuit (steering angle sensor)

Toyota RAV4. Check can bus lines for short circuit (steering angle sensor)


  1. Disconnect the e11 steering sensor connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace steering angle sensor

  1. Check can bus lines for short circuit (no. 4 Junction connector - 4wd control ecu)

Toyota RAV4. Check can bus lines for short circuit (no. 4 Junction connector - 4wd control ecu)


Notice:

For vehicles without 4wd, go to "check can bus lines for short circuit (no. 4 Junction connector - combination meter ecu)".

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

Result




  1. Check can bus lines for short circuit (no. 4 Junction connector - combination meter ecu)

Toyota RAV4. Check can bus lines for short circuit (no. 4 Junction connector - combination meter ecu)


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

Result




Repair or replace no. 4 Junction connector

  1. Connect connector

  1. Reconnect the e69 no. 4 Junction connector.


  1. Check can bus lines for short circuit (4wd control ecu)

Toyota RAV4. Check can bus lines for short circuit (4wd control ecu)


  1. Disconnect the e57 4wd control ecu connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace 4wd control ecu

  1. Connect connector

  1. Reconnect the e69 no. 4 Junction connector.


  1. Check can bus lines for short circuit (combination meter ecu)

Toyota RAV4. Check can bus lines for short circuit (combination meter ecu)


  1. Disconnect the e19 combination meter ecu connector.
  2. Measure the resistance of the dlc3.

Standard resistance




Replace combination meter ecu

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 ...

Short to b+ in can bus line
Description There may be a short circuit between the can bus line and +b when there is resistance between terminals 6 (canh) and 16 (bat) or terminals 14 (canl) and 16 (bat) of the dlc3. Wiri ...

Other materials:

How to proceed with troubleshooting
Hint: Use these procedures to troubleshoot the engine immobiliser 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. cran ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission control sy ...

If the electronic key does not operate properly (vehicles with smart key system)
If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control cannot be used. In such cases, the doors can be opened and the engine can be started by following the procedur ...

В© 2011-2025 Copyright www.trav4.net