Diagnostic Troubleshooting Strategy

2007 Mitsubishi Outlander LS, FWDSECTION Diagnostic Troubleshooting Strategy

Use these steps to plan your diagnostic strategy. If you follow them carefully, you will check most of the possible causes of an auto-cruise control system malfunction.

  1. Gather information from the customer.
  2. Verify that the condition described by the customer exists.
  3. Check the vehicle for any auto-cruise control system DTC. (Refer to DIAGNOSTIC FUNCTIONΒ  , Diagnostic Function - How to Read Diagnostic Trouble Codes).
  4. If you can verify the condition but no auto-cruise control system DTCs are set, the malfunction may be intermittent. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
  5. If you can verify the condition but there are no autocruise control system DTCs, find the fault. (Refer to , SYMPTOM CHARTΒ ).
  6. If there is an auto-cruise control system DTC, record the number of the code, then erase the code. (Refer to DIAGNOSTIC FUNCTIONΒ  , Diagnostic Function - How to Erase Diagnostic Trouble Codes).
  7. Re-create the auto-cruise control system DTC set conditions to see if the same auto-cruise control system DTC will set again. (Refer to DIAGNOSTIC FUNCTIONΒ  , Diagnostic Function - How to Read Diagnostic Trouble Codes).
    • If the same auto-cruise control system DTC sets again, perform the diagnostic procedures for the set code. (Refer to , DIAGNOSTIC TROUBLE CODE CHARTΒ ).
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.