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Troubleshooting Strategy

Use these steps to plan your diagnostic strategy. If you follow them carefully, you will be sure that you have exhausted all of the possible ways to find a SRS fault.

  1. Gather information about the problem from the customer.
  2. Verify that the condition described by the customer exists.
  3. Check the vehicle for any SRS diagnostic trouble codes (SRS DTC).
  4. If you cannot verify the condition but there are no SRS DTCs, the malfunction is intermittent. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS .
  5. If there is a SRS DTC, record the code number, then erase the code from vehicle memory using scan tool MB991958.
  6. Recreate the SRS DTC set conditions to see if the same SRS DTC will be set again.
    • If the same SRS DTC is set again, follow the Inspection Chart for DTC and find the fault.
    • If you cannot get the same SRS DTC to be set again, the malfunction is intermittent. Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS .
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