PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE



Diagnostic Test

1.NO RESPONSE



Are you currently experiencing a NO RESPONSE condition?

Yes
  • The NO RESPONSE condition must be properly diagnosed before continuing.
  • Refer to the appropriate BUS Communication test in Section 8 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS.


No
  • Go To 2

2.NO START


Is the customer complaint a NO START condition?

Yes
  • Check the vehicle for any NO START related PCM DTCs or Vehicle Theft Security related DTCs.
  • If no Theft related DTCs are present, refer to the Non DTC Diagnostic Procedures that relate to Fuel and Starting.


No
  • Go To 3

3.VEHICLE HISTORY AND TSB(s)









Choose the following scenario that best applies.

The TSB repaired the customer's complaint.
  • Testing complete.


A DTC is present, no TSB applies, or the TSB didn't repair the customer's complaint.
  • Go To 4


No DTCs are present.
  • Refer to the INTERMITTENT CONDITION Diagnostic Procedure.

4.WIRE HARNESS INSPECTION







Were any repairs made that fixed the customer's complaint?

Yes
  • Testing complete.


No
  • Refer to the diagnostic test procedure related to the DTC.