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:

Operation check
Check key reminder warning system Check that the key reminder warning buzzer sounds. With the driver side door closed, insert the key into the ignition key cylinder and then turn the ignition switch to lock or acc. Check that the buzzer sounds intermittently when the driver ...

Receiver error
Description Wiring diagram Inspection procedure Notice: It is necessary to register an id code after replacing the tire pressure warning valve abd transmitter and/or the tire pressure warning ecu (see page tw-9). Hint: Set the tire pressure to the specified value. Standard pres ...

Initialization
Initialize sliding roof drive gear subassembly Notice: When replacing the sliding roof drive gear, the sliding roof drive gear requires initialization. If a reset is not executed, the following functions do not operate: auto operation and key off operation. Turn the ignition switch on. ...

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