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Home >> Dodge and Ram >> 1994 >> Caravan Base, 3.3 J >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L CNG >> Verification Tests >> Test VER-2 - Road Test Verification

Test VER-2 - Road Test Verification

  1. Check vehicle to ensure all engine components are connected. Reassemble and reconnect components as necessary. If more than one trouble code is present and have not been diagnosed, go to TEST TC-1A  and diagnose other trouble codes. If Powertrain Control Module (PCM) has not been replaced, connect DRB to data link connector and erase trouble codes.
  2. Using DRB, reset all values in adaptive memory. Disconnect DRB. To ensure no other trouble codes are present, turn on A/C and blower (if equipped) and drive vehicle at least 5 minutes (attaining a speed of 40 MPH). Ensure transmission shifts through all gears. When road test is complete, turn ignition off.
  3. Start engine and operate at idle for 2 minutes. Turn engine off. Using DRB, read trouble codes. Using DRB, read trouble codes. If previously repaired trouble codes reset, repair is not complete. Check all related Tech Service Bulletins (TSBs), perform corrective action as necessary, and go to TEST TC-1A as necessary. If a new trouble code message is present, go to TEST TC-1A and diagnose other trouble codes. If no trouble codes are present, repair is now complete.
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