Output Test Mode Procedure

1. Perform the "Worldwide Diagnostic System (WDS) 418-FS475 or equivalent Hook-Up Procedure."
2. Perform step 1 through step 9 below.

NOTE: Start engine and bring up to operating temperature before running OBD Test.

1. Perform the necessary vehicle preparation and visual inspection. Hook-up the WDS or equivalent Tester to the vehicle.
2. Move the cursor to VEHICLE AND ENGINE SELECTION.
3. Move the cursor to SELECT NEW VEHICLE YEAR & MODEL. Press the trigger key to enter this selection.
4. Move the cursor to 1999 - VIN #10:X. Press the trigger key, enter this selection.
5. Move the cursor to the appropriate model. Press the trigger key to enter this selection.
6. The vehicle selection screen showing the selected vehicle will be displayed. Move the cursor to the vehicle selected. Press the trigger key.
7. Move the cursor to DIAGNOSTIC DATA LINK in the main menu screen. Press the trigger key to enter into menu system diagnostics.
8. Move the cursor to PCM. Press the trigger.
9. Move the cursor to DIAGNOSTIC TEST MODES. Press the trigger key to enter this selection.

3. Turn key on.
4. Move the cursor to ACTIVE COMMAND MODES. Press the trigger key to enter this selection.
5. Move the cursor to OUTPUT TEST MODE. Press the trigger key to enter this selection.
6. Press MODE (Key # 3) repeatedly to change the mode from ALL ON to LOW FAN, HIGH FAN, and ALL OFF. Return the mode to ALL ON.
7. Press START (Key # 4) to run the fuel pump. Press STOP (Key # 4) to turn off the fuel pump.
8. To open and close certain actuators in the emission system, press PIDs (Key # 7).
9. Press CLEAR (Key # 5) to clear previous selected PIDs.

NOTE: To select desired PIDs, place the shaded bar over the item(s) and press trigger. A star symbol appears next to the item when it's selected. Press START (Key # 7). The selected PID(s) and values appear. You can select 30 PIDs at a time.

10. Press START (Key # 4) to turn on the fuel pump. Observe the values change from OFF to ON or from 0% to 100%. Press STOP (Key #4) to turn off the fuel pump.
11. Press CANCEL.