Toyota RAV4 manuals

Toyota RAV4 Service Manual: Check mode procedure

  1. Description

  1. Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, dtcs are detected with 1 trip detection logic.
  1. Check mode procedure

  1. Make sure that the following conditions below are met:

Toyota RAV4. Check mode procedure


  1. Battery positive voltage 11 v or more
  2. Throttle valve fully closed
  3. Transaxle in the p or n position
  4. A/c off
  1. Turn the ignition switch off.
  2. Connect the intelligent tester to the can vim. Then connect the can vim to the dlc3.
  3. Turn the ignition switch on and turn the tester on.
  4. Enter the following menus: diagnosis / enhanced obd ii / check mode.

Toyota RAV4. Check mode procedure


  1. Change the ecm to check mode. Make sure the mil flashes as shown in the illustration.

Notice:

All dtcs and freeze frame data recorded will be erased if: 1) the intelligent tester is used to change the ecm from normal mode to check mode or vice versa; or 2) during check mode, the ignition switch is turned from on to acc or off.

Before check mode, make notes of the dtcs and freeze frame data.

  1. Start the engine. The mil should turn off after the engine starts.
  2. Perform "monitor drive pattern" for the ect test (see page ax-19).

    (Or, simulate the conditions of the malfunction described by the customer.)

  3. After simulating the malfunction conditions, use the tester to check the dtc and freeze frame data.
Dtc check / clear
Check dtc Dtcs which are stored in the ecm can be displayed with the intelligent tester. The intelligent tester can display pending dtcs and current dtcs. Some dtcs are not stored ...

Fail-safe chart
Fail-safe chart This function minimizes the loss of the ect functions when a malfunction occurs in a sensor or solenoid. Automatic transmission fluid (atf) temperature sensor: when the ...

Other materials:

Check for intermittent problems
Hint: Inspect the vehicle's ecm using check mode. Intermittent problems are easier to detect with the intelligent tester when the ecm is in check mode. In check mode, the ecm uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), which uses 2 trip detec ...

Removal
Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation. Remove radiator support opening cover Remove front wheel rh Remove no. 1 ...

Compressor and pulley (for 2gr-fe)
Components Removal Discharge refrigerant from refrigeration system (see page ac-172) Disconnect cable from negative battery terminal Caution: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensione ...

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