Chrysler Town and Country 2003 Owner's Manual page 1031

Verification Tests —
POWERTRAIN VERIFICATION TEST VER - 1 - NGC
1. NOTE: After completing the Powertrain Verification Test the Transmission Verifi-
cation Test must be performed.
2. NOTE: If the PCM has been replaced and the correct VIN and mileage have not
been programmed, a DTC will be set in the ABS Module, Airbag Module and the
SKIM.
3. NOTE: If the vehicle is equipped with a Sentry Key Immobilizer System, Secret Key
data must be updated. Refer to the Service Information for the PCM, SKIM and the
Transponder (ignition key) for programming information.
4. Inspect the vehicle to ensure that all components related to the repair are connected properly.
5. Inspect the engine oil for fuel contamination. Replace the oil and filter as necessary.
6. Attempt to start the engine.
7. If the No Start condition is still present, refer to the symptom list and perform the diagnostic
testing as necessary. refer to and Technical Service Bulletins that may apply.
8. Run the engine for one warm-up cycle to verify operation.
9. With the DRBIII , confirm that no DTCs or Secondary Indicators are present and that all
components are functioning properly.
10. If a DTC is present, refer to the appropriate category and select the corresponding symptom.
Are any DTCs present?
Yes → Repair is not complete, refer to appropriate symptom.
→ Repair is complete.
No
1. Inspect the vehicle to ensure that all engine components are properly installed and
connected. Reassemble and reconnect components as necessary.
2. If this verification procedure is being performed after a non-DTC test, perform steps 3 and
4.
3. Check to see if the initial symptom still exists. If there are no trouble codes and the symptom
no longer exists, the repair was successful and testing is now complete.
4. If the initial or another symptom exists, the repair is not complete. Check all pertinent
Technical Service Bulletins (TSBs) and return to the Symptom List if necessary.
5. For previously read DTCs that have not been dealt with, return to the Symptom List and
follow the diagnostic path for that DTC; otherwise, continue.
6. If the Engine Control Module (ECM) has not been changed, perform steps 7 and 8, otherwise,
continue with step 9.
7. With the DRB III , erase all diagnostic trouble codes (DTCs), then disconnect the DRB III .
8. Turn the ignition off for at least 10 seconds.
9. If equipped with a Transfer Case Position Switch, perform step 10, otherwise, continue with
step 11.
10. With the ignition switch on, place the Transfer Case Shift Lever in each gear position,
stopping for 15 seconds in each position.
11. Ensure no DTCs remain by performing steps 12 through 15.
12. Road test the vehicle. For some of the road test, go at least 64 km/h (40 MPH). If this test
is for an A/C Relay Control Circuit, drive the vehicle for at least 5 minutes with the A/C on.
13. At some point, stop the vehicle and turn the engine off for at least 10 seconds, then restart
the engine and continue.
14. Upon completion of the road test, turn the engine off and check for DTCs with the DRB III .
15. If the repaired DTC has set again, the repair is not complete. Check for any pertinent
Technical Service Bulletins (TSBs) and return to the Symptom List. If there are no DTCs, the
repair was successful and is now complete.
Are any DTCs or symptoms remaining?
Yes → Repair is not complete, refer to appropriate symptom.
→ Repair is complete.
No
Continued
ROAD TEST VERIFICATION - VER-2
VERIFICATION TESTS
1007
APPLICABILITY
All
APPLICABILITY
All