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

Open in abs solenoid relay circuit
Description The solenoid relay supplies power to the abs solenoid and trc solenoid. After the ignition switch is turned on, the vehicle speed has reached 6 km/h (4 mph) and the solenoid is ...

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:

Installation
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Driving position memory
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Types of child restraints
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