Toyota RAV4 manuals

Toyota RAV4 Service Manual: Open in one side of can branch line

Toyota RAV4 Service Manual / Can communication / Fail-safe chart / Open in one side of can branch line

Description

If 2 or more ecus and/or sensors do not appear on the intelligent tester's "bus check" screen via the can vim, one side of the can branch wire may be open. (One side of the canh [branch wire] /canl [branch wire] of the ecu and/or sensor is open.)

Toyota RAV4. Open in one side of can branch line


Wiring diagram

Toyota RAV4. Open in one side of can branch line


Toyota RAV4. Open in one side of can branch line


Inspection procedure

Notice:

Hint:

  1. Check for open in one side of branch wire (abs and traction actuator)

  1. Disconnect the a19 abs and traction actuator (skid control ecu) connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result




  1. Check for open in one side of branch wire (abs and traction actuator branch wire)

Toyota RAV4. Check for open in one side of branch wire (abs and traction actuator branch wire)


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

Standard resistance: 54 to 69




Replace abs and traction actuator (skid control ecu)

  1. Check for open in one side of branch wire (yaw rate sensor)

  1. Disconnect the k6 yaw rate sensor connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result



  1. Check for open in one side of branch wire (yaw rate sensor branch wire)

Toyota RAV4. Check for open in one side of branch wire (yaw rate sensor branch wire)


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

Standard resistance: 54 to 69



Replace yaw rate sensor

  1. Check for open in one side of branch wire (power steering ecu)

  1. Disconnect the e18 power steering ecu connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Resul

t



  1. Check for open in one side of branch wire (power steering ecu branch wire)

Toyota RAV4. Check for open in one side of branch wire (power steering ecu branch wire)


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

Standard resistance: 54 to 69



Replace power steering ecu

  1. Check for open in one side of branch wire (main body ecu)

  1. Disconnect the e17 main body ecu connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result




  1. Check for open in one side of branch wire (main body ecu branch wire)

Toyota RAV4. Check for open in one side of branch wire (main body ecu branch wire)


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

Standard resistance: 54 to 69




Replace instrument panel junction block (main body ecu)

  1. Check for open in one side of branch wire (air conditioning amplifier)

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

Hint:

  1. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result




  1. Check for open in one side of branch wire (air conditioning amplifier branch wire)

Toyota RAV4. Check for open in one side of branch wire (air conditioning amplifier branch wire)


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

Standard resistance: 54 to 69




Replace air conditioning amplifier

  1. Check for open in one side of branch wire (steering angle sensor)

  1. Disconnect the e11 steering angle sensor connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result




  1. Check for open in one side of branch wire (steering angle sensor branch wire)

Toyota RAV4. Check for open in one side of branch wire (steering angle sensor branch wire)


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

Standard resistance: 54 to 69



Replace steering angle sensor

  1. Check for open in one side of branch wire (4wd control ecu)

Notice:

For vehicles without 4wd, go to "check for open in one side of branch wire (center airbag sensor assembly branch wire)".

  1. Disconnect the e57 4wd control ecu connector.
  2. Select "bus check" on the intelligent tester display via the can vim (see page ca-34).

Result




  1. Check for open in one side of branch wire (4wd control ecu branch wire)

Toyota RAV4. Check for open in one side of branch wire (4wd control ecu branch wire)


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

Standard resistance: 54 to 69


 


Replace 4wd control ecu

  1. Check for open in one side of branch wire (center airbag sensor assembly branch wire)

Toyota RAV4. Check for open in one side of branch wire (center airbag sensor assembly branch wire)


  1. Disconnect the e45 center airbag sensor connector.
  2. Measure the resistance of the wire harness side connector.

Standard resistance: 54 to 69




Replace center airbag sensor assembly

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