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:

Inspection
Inspect no. 1 Chain tensioner Check that the plunger moves smoothly when the ratchet pawl is raised with your finger. Release the ratchet pawl, then check that the plunger is locked in place by the ratchet pawl and does not move when pushed with your finger. Inspect chain ...

Rear view monitor system
The rear view monitor system assists the driver by displaying an image of the view behind the vehicle and fixation guide lines while backing up, for example while parking. The screen illustrations used in this text are intended as examples, and may differ from the image that is actually displaye ...

Installation
Install engine coolant temperature sensor Install a new gasket onto the sensor. Using sst, install the sensor. Sst 09817-33190 torque: 19.6 N*m (200 kgf*cm, 14 ft.*Lbf) Connect the sensor connector. Install air cleaner case (see page es-431) Install air cleaner cap ( ...

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