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:

Data list / active test
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 ...

Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in prime condition: Working from top to bottom, liberally apply water to the vehicle body, wheel wells and underside of the vehicle to remove any dirt and dust. Wash the vehicle body using a sponge or soft cloth, such as a cha ...

Stuck in deceleration sensor
Description The skid control ecu receives signals from the yaw rate and deceleration sensor via the can communication system. The yaw rate sensor has a built-in deceleration sensor and detects the vehicle's condition using 2 circuits (gl1: g sensor 1, gl2: g sensor 2). If there is t ...

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