Fuel System Test

Fuel System Test

This test is conducted check Fuel system for proper operation.

Tech 2 must be used for this test.

Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Ignition SW is "On".




3. Select F3: Miscellaneous Test in the Application Menu.




4. Select F3: Fuel System in the Miscellaneous Menu.




5. Select F0: Fuel Trim Enable.




6. Push "Disable" or "Enable" soft key.
7. Control Fuel Trim and check data list.
- If data list changes, the Fuel Trim is normal.




8. Select F1: Fuel Trim Reset.




9. Push "Reset" of soft key.




10. Select F2: O2-Loop status.
- This test is check the "Closed Loop Status" performance.




11. Push "Open Loop" or "Closed Loop" soft key.
12. Control O2-Loop and check data list.
- If data list changes, the O2-Loop is normal.