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:

Inspection
Inspect cylinder head for warpage Using a precision straightedge and feeler gauge, measure the warpage of the contact surfaces of the cylinder block and manifolds. Maximum warpage: 0.08 Mm (0.0032 In.) If the warpage is greater than the maximum, replace the cylinder head sub-a ...

Canceling and resuming the speed control
Pressing the cancel switch cancels the speed control. The speed control is also canceled when the brake pedal is depressed. (When the vehicle has been stopped by system control, depressing the brake pedal does not cancel the setting.) Pressing the "+RES" switch resumes the cruise control a ...

Installation
Hint: Use the same procedures for the rh side and lh side. The procedures listed below are for the rh side. Install front seat assembly Place the seat in the cabin. Notice: Be careful not to damage the vehicle body. Connect the connector under the seat. Lift up the se ...

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