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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1401 (Supplemental Restraint System) >> Diagnosis And Testing >> Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Diagnostic Test Modes >> Self Test/On-Demand

Self Test/On-Demand

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The on-demand Self Test option is used to verify that no electrical concerns exist with the air bag SRS. Upon entering the self-test, the RCM/OCSM will make an electrical check of each electrical component in the system. If a concern is detected, a DTC is displayed on the scan tool with a brief description of the DTC. The self-test should always be carried out after any repair to verify that the repair was successful.

To run the on-demand Self Test, follow these steps:

  1. Connect the scan tool to the data link connector (DLC).
  2. Turn the ignition switch to the ON position.
  3. Follow the manufacturer's instructions for the scan tool being used.
  4. Select Self Test.
  5. Select RCM or OCSM (selecting Restraints retrieves DTC's from both modules).
  6. The module will run the self-test and display on-demand (reflecting hard system concerns) and continuous memory (historic) DTCs on the scan tool.
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