Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Engine immobiliser system malfunction

Toyota RAV4. Engine immobiliser system malfunction


Description

This dtc is output when one of the following occurs: 1) the ecm detects errors in its own communications with the transponder key ecu; 2) the ecm detects errors in the communication lines; or 3) the ecu communication id between the transponder key ecu and ecm is different and an engine start is attempted. Before troubleshooting for this dtc, make sure no transponder key ecu dtcs are present. If present, troubleshoot the transponder key ecu dtcs first.

Toyota RAV4. Engine immobiliser system malfunction


Wiring diagram

Toyota RAV4. Engine immobiliser system malfunction


Inspection procedure

  1. Check for dtc

  1. Delete the dtc (see page ei-18).
  2. Recheck for dtc.

Ok: b2799 output does not reoccur.



  1. Check wire harness (transponder key ecu - ecm)

Toyota RAV4. Check wire harness (transponder key ecu - ecm)


  1. Disconnect the e46 ecu connector.
  2. Disconnect the a9 ecm connector.
  3. Measure the resistance of the wire harness side connectors.

Standard resistance




  1. Check transponder key ecu (operation)

  1. Temporarily replace the transponder key ecu with a new or normally functioning one.
  2. Check that then engine starts normally.

Ok: engine starts normally.



End (transponder key ecu is defective)

Communication malfunction no. 1
Description This dtc is output when a communication error occurs between the transponder key amplifier and transponder key ecu. Some possible reasons for the communication error are: 1) 2 or ...

Security indicator light circuit
Description When the transponder key is registered, the transponder key ecu indicates the key registration condition by lighting up, blinking or turning off the security indicator. Wiring diagram ...

Other materials:

Rear window and outside rear view mirror defoggers
These features are used to defog the rear window, and to remove raindrops, dew and frost from the outside rear view mirrors (if equipped). Vehicles with a manual air conditioning system On/off The defoggers will automatically turn off after approximately 15 minutes. Vehicles with an au ...

Using the “setup” menu (“phone” menu)
Functions and operation procedures To enter the menu for each function, press the “setup” button and follow the steps below using the “tune•scroll” knob: Adding a new phone number 1. Phone 2.  Phonebook   3.  Add contacts  Setting speed dials 1. Ph ...

Problem symptoms table (2005/11-2006/01)
Hint: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "suspected area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace p ...

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