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SFI SYSTEM CHECK MODE PROCEDURE

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Tip:

Intelligent tester only:

Compared to normal mode, check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which are detected in normal mode can also be detected in check mode.


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  1. CHECK MODE PROCEDURE


    1. A017CX4E04

      Make sure that the items below are true.


      1. Battery voltage 11 V or more.

      2. Throttle valve fully closed.

      3. Transmission in the P or N position.

      4. Air conditioning switched OFF.

    2. Turn the ignition switch off.

    3. Connect the intelligent tester to the DLC3.

    4. Turn the ignition switch on (IG) and turn the intelligent tester on.

    5. Select the following menu items: Powertrain / Engine and ECT / Utility / Check Mode.

    6. Make sure that the MIL flashes as shown in the illustration.

      Note:

      All the recorded DTCs and freeze frame data 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 (IG) to on (ACC) or off.

    7. Start the engine (the MIL should turn off).

    8. Simulate the condition of the malfunction described by the customer.

    9. After simulating the malfunction condition, check for DTCs, freeze frame data and other data.

    10. After checking for DTCs, inspect the applicable circuits.