Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Control module communication bus off

Toyota RAV4. Control module communication bus off


Description

The power steering ecu receives signals from the ecm and the skid control ecu via the can communication system.


Hint:

Wiring diagram

Toyota RAV4. Control module communication bus off


Inspection procedure

  1. Reconfirm dtc

  1. Check for dtc.

Ok: dtc is not output.



Go to can communication system

Assist map number un-writing
Description The power steering ecu outputs this dtc when it determines that the assist map is not written in the ecu. Hint: The assist map data is written in the power steering ecu to contro ...

Eps warning light circuit
Description If the power steering ecu detects a malfunction, the p/s warning light comes on. At this time, the power steering ecu stores a dtc in its memory. Wiring diagram Inspection proced ...

Other materials:

Rear occupant classification sensor lh circuit malfunction
Description The rear occupant classification sensor lh circuit consists of the occupant classification ecu and the rear occupant classification sensor lh. Dtc b1782 is recorded when a malfunction is detected in the rear occupant classification sensor lh circuit. Wiring diagram ...

Different diameter tire malfunction
Description The skid control ecu measures the speed of each wheel by receiving signals from the speed sensor. These signals are used for recognizing that all 4 wheels are operating properly. Therefore, all wheel signals must be equal. Inspection procedure Check tire size ...

Open in occupant classification ecu battery positive line
Description Dtc b1794 is set when a malfunction is detected in the occupant classification ecu battery positive line. Wiring diagram Inspection procedure Check for dtc Turn the ignition switch on. Clear the dtcs (see page rs-249). Hint: First clear dtcs stored in the ...

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