Toyota RAV4 manuals

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

Toyota RAV4. Engine control system malfunction


Description

If a malfunction in the engine control system is detected, the operations of vsc and trc are prohibited by the fail-safe function. When the signals from the engine are input normally, the fail-safe is canceled and the dtc is not stored.

Toyota RAV4. Engine control system malfunction


Inspection procedure

  1. Check harness and connector (momentary interruption)

  1. Using the data list of the intelligent tester, check for any momentary interruption in the wire harness corresponding to the dtc (see page bc-23).

Toyota RAV4. Check harness and connector (momentary interruption)


Ok: there are no momentary interruptions.

Hint:

Perform the above inspection before removing the sensor and connector.



  1. Check dtc for engine control system

  1. Clear the dtc (engine control system).
  2. Check the dtc (engine control system).

Result




Repair engine control system

  1. Repair or replace harness and connector (ecm - skid control ecu)


  1. Reconfirm dtc

  1. Clear the dtc (see page bc-47).
  2. Perform a road test.
  3. Check if the same dtc is recorded (see page bc-47).

Result




End

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Ecm communication circuit malfunction
Description The circuit is used to send trc and vsc control information from the skid control ecu to the ecm, and engine control information from the ecm to the skid control ecu. Inspecti ...

Other materials:

Vehicle lift and support locations
Notice about vehicle condition when jacking up vehicle The vehicle must be unloaded before jacking up / lifting up the vehicle. Never jack up / lift up a heavily loaded vehicle. When removing heavy parts such as the engine and transmission, the center of gravity of the vehicle m ...

Srs warning light does not come on
Description The srs warning light is located on the combination meter. When the srs is normal, the srs warning light comes on for approximately 6 seconds after the ignition switch is turned from off to on, and then goes off automatically. If there is a malfunction in the srs, the srs warni ...

Data list / active test (2006/01- )
Read data list Hint: Using the intelligent tester's data list allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time. Connect the intelligent tester (with can vim) to the ...

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