Toyota RAV4 manuals

Toyota RAV4 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:

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Vehicles without a smart key system: turn the engine switch to the “lock” position. Vehicles with a smart key system: turn the engine switch off. Aft ...

Disposal
Hint: When scrapping a vehicle equipped with srs or disposing of the front seat side airbag, be sure to deploy the airbag first in accordance with the procedure described below. If any abnormality occurs with the airbag deployment, contact the service dept. Of toyota motor sales, u.S.A., Inc. ...

Throttle / pedal position sensor / switch "A" circuit range / performance problem
Hint: This dtc relates to the throttle position (tp) sensor. Description Refer to dtc p0120 (see page es-114). Monitor description The ecm uses the tp sensor to monitor the throttle valve opening angle. This sensor transmits two signals: vta1 and vta2. Vta1 is used to detect the th ...

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