Fuel System Test

FUEL SYSTEM TEST WITH TECH 2
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".

Application Menu:

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

Miscellaneous Test:

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

Fuel System:

5. Select F0: Fuel Trim Enable.

Fuel Trim Enable:

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

Fuel System:

9. Select F1: Fuel Trim Reset.

Fuel Trim Reset:

10. Push "Reset" of soft key.

Fuel System:

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

O2-Loop Status:

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