Toyota RAV4 manuals

Toyota RAV4 Service Manual: Ecu malfunction

Toyota RAV4. Ecu malfunction


Description

Inspection procedure

If the power steering ecu detects these dtcs, it will shut off the motor relay circuit (built into the power steering ecu) and stop power assist. However, power assist continues if dtc c1533 is output.


  1. Reconfirm dtc

  1. Check for dtc.

Ok: dtc is not output.



Replace power steering ecu

Motor rotation angle sensor malfunction
Description The motor rotation angle sensor detects the motor rotation angle and sends this information to the power steering ecu. Wiring diagram Inspection procedure Check conne ...

Ig power supply voltage malfunction
Description The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit. Wiring diagram Inspection procedure Read value of inte ...

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 ...

Terminals of ecu
Check transponder key amplifier Disconnect the e5 amplifier connector. Measure the resistance of the wire harness side connector. If the result is not as specified, there may be a malfunction in the wire harness. Reconnect the e5 amplifier connector. Measure the resist ...

System description
General In conjunction with an impact absorbing structure for a frontal collision, the srs (supplemental restraint system) driver airbag, front passenger airbag and driver side knee airbag were designed to supplement seat belts in the event of a frontal collision in order to help ...

В© 2011-2018 Copyright www.trav4.net