Toyota RAV4 manuals

Toyota RAV4 (XA40) 2013-2018 Service Manual: Check mode procedure

Hint:

Intelligent tester only: compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect the malfunctions that cannot be detected by normal mode.

Notice:

All the stored dtcs and freeze frame data are erased if:

  1. The ecm is changed from normal mode to check mode or vice versa;
  2. Or  the ignition switch is turned from on to acc or off while in check mode. Before changing modes, always check and make a note of any dtcs and freeze frame data.
  1. Check mode procedure (using intelligent tester)


  1. Check and ensure the following conditions:
  1. Battery positive voltage 11 v or more.
  2. Throttle valve fully closed.
  3. Transmission in the p or n position.
  4. A/c switch off.
  1. Turn the ignition switch off.
  2. Connect the intelligent tester to the dlc3.
  3. Turn the ignition switch on.
  4. Turn the tester on.
  5. Select the following menu items: diagnosis / enhanced obd ii/ check mode.
  6. Switch the ecm from normal mode to check mode.

  7. Make sure the mil flashes as shown in the illustration.
  8. Start the engine.
  9. Make sure the mil turns off.
  10. Simulate the conditions of the malfunction described by the customer.
  11. Check dtcs and freeze frame data using the tester.
Freeze frame data
Description Freeze frame data records the engine conditions (fuel system, calculated load, engine coolant temperature, fuel trim, engine speed, vehicle speed, etc.) When a malfunction is dete ...

Fail-safe chart
If any of the following dtcs are set, the ecm enters fail-safe mode to allow the vehicle to be driven temporarily. Hint: *: The vehicle can be driven slowly when the accelerator pedal is depre ...

Other materials:

Selecting the audio source
Switching between audio sources such as radio and cd are explained in this section. Changing audio source Press the “audio” button to display the audio source selection screen. If the audio source selection screen is not displayed, press the “audio” button again. Select the d ...

Torque converter clutch solenoid circuit
Description The shift solenoid valve dsl is turned on and off by signals from the ecm to control the hydraulic pressure acting on the lock-up relay valve, which then controls operation of the lock-up clutch. Fail-safe function: if the ecm detects a malfunction, it turns the shift sol ...

Ig power supply voltage malfunction
Description The power steering ecu distinguishes the ignition switch status as on or off through the ig power source circuit. Wiring diagram Inspection procedure Read value of intelligent tester (ig power supply) Connect the intelligent tester (with can vim) to the dlc3. ...

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