Toyota RAV4 manuals

Toyota RAV4 Service Manual: Downhill assist control indicator light does not come on

Toyota RAV4 Service Manual / Brake control / Vehicle stability control system / Downhill assist control indicator light does not come on

Description

Refer to the description of "downhill assist control indicator light remains on" (see page bc-156).

Wiring diagram

Refer to the downhill assist control indicator light circuit (see page bc-157).

Inspection procedure

  1. Check can communication system

  1. Check if the can communication system dtc is output (see page ca-34)

Result




  1. Read value of intelligent tester (downhill assist control switch)

  1. Check the data list for proper functioning of the downhill assist control switch.

Toyota RAV4. Read value of intelligent tester (downhill assist control switch)


Ok: on (downhill assist control switch is on) appears on the screen.


  1. Perform active test by intelligent tester (dac indicator light)

  1. Select the active test, generate a control command, and then check that the downhill assist control indicator light operates.

Toyota RAV4. Perform active test by intelligent tester (dac indicator light)


Ok: the downhill assist control indicator light turns on and off.



  1. Inspect combination meter

  1. Inspect the combination meter (see page me-15).



Replace abs and traction actuator assembly

  1. Inspect downhill assist control switch

  1. Remove the downhill assist control switch.
  2. Measure the resistance of the switch.

Standard resistance


Toyota RAV4. Inspect downhill assist control switch




  1. Check wire harness (control switch - skid control ecu and body ground)

Toyota RAV4. Check wire harness (control switch - skid control ecu and body ground)


  1. Disconnect the a19 ecu connector.
  2. Disconnect the e31 switch connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




Replace abs and traction actuator assembly

Downhill assist control indicator light remains on
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Other materials:

Back-up power source circuit
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Registration
In case of tire pressure warning ecu replacement Read id stored in the old ecu using the intelligent tester. In case of tire pressure warning valve and transmitter and/or tire pressure warning ecu replacement Read the id written on the tire pressure monitor valve. ...

Precaution
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