Verification Test VER-3A

VERIFICATION TEST VER-3A

Applicability - Diesel

1. Check if any of the following conditions exist.

2. The ECM has been disconnected or replaced.

3. The Battery power has been disconnected.

4. The APPS has been disconnected or replaced.

5. If any of the conditions exist, perform the following steps, otherwise, go to step 8.

6. APPS Programming Procedure: Reassemble all components. Turn the ignition key to the ON or RUN position. Without starting the engine, slowly press the throttle pedal to the floor and then slowly release.

7. This step must be done (only once) to ensure the accelerator pedal position sensor calibration has been programmed in the ECM.

8. Caution: Do not attempt to adjust screws or disassemble the APPS sensor. These settings are set at the factory and are not intended to be changed.

9. If the PCM has been replaced, do the following: (Otherwise go to step 12).

10. Note: If the Powertrain Control Module has been changed and the correct VIN and mileage have not been programmed, a DTC will be set in the ABS and Airbag modules.

11. For ABS and Airbag Systems: Enter correct VIN and Mileage in PCM. Erase ABS and Airbag modules codes.

12. If the PCM has not been replaced, do the following:

13. Connect the DRB to the PCM Data Link Connector and erase the codes.

14. Ensure no other charging system problems remain by doing the following:

15. Start the engine. Perform generator output test (See pertinent service information). Raise the engine speed to 2000 rpm for at least 30 seconds. Allow the engine to idle. Turn the engine OFF. Turn the ignition key ON. With DRB, read trouble code messages.

16. If the repaired code has reset, or any other one has set, check all pertinent Technical Service Bulletins and return to Symptom list if necessary. If there are no codes, the repair is now complete.