Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 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:

Selecting the driving mode
The following modes can be selected to suit driving conditions. Eco drive mode Use eco drive mode to help achieve low fuel consumption during trips that involve frequent accelerating. Press the “eco mode” button to select eco drive mode. The “eco mode” indicator comes on. Press t ...

Short in driver side squib circuit
Description The driver side squib circuit consists of the center airbag sensor, the spiral cable and the steering pad. The circuit instructs the srs to deploy when the deployment conditions are met. These dtcs are recorded when a malfunction is detected in the driver side squib circui ...

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 ...

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