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Home >> Jeep >> 2003 >> Wrangler X, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Verification Tests >> Powertrain Verification Test VER-3
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Powertrain Verification Test VER-3

  1. Inspect the vehicle to ensure that all engine components are properly installed and connected. Reassemble and reconnect components as necessary.
  2. Connect the DRBIII® to the Data Link Connector and erase the DTCs.
  3. If the PCM was not replaced, go to step  7 and continue the verification.
  4. If the PCM was replaced, the correct VIN and mileage must be programmed or a DTC will set in the ABS and Air Bag modules. In addition, if the vehicle is equipped with Sentry Key Immobilizer Module (SKIM), Secret Key data must be updated to enable start.
  5. For ABS and Air Bag systems: Enter correct VIN and Mileage in PCM. Erase codes in ABS and Air Bag modules.
  6. For SKIM theft alarm: Connect DRBIII® to data link connector. Go to Theft Alarm, SKIM, Misc. and place SKIM in secured access mode by using the appropriate PIN code for this vehicle. Select Update the Secret Key data. Data will be transferred from SKIM to PCM.
  7. Perform the generator output test per service manual information.
  8. Start the engine and set the engine speed to 2000 RPM for at least 30 seconds.
  9. Allow the engine to return to idle.
  10. Cycle the ignition key off then on.
  11. With the DRBIII®, read DTCs. Are any DTCs or symptoms remaining? If yes, check for any related Technical Service Bulletins. If repaired DTC has reset, proceed to appropriate DTC test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS . If necessary, go to TROUBLE SHOOTING - NO CODES article for diagnosis by symptom. If no, repair is complete.
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