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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Supplemental Restraint System (SRS) -- Lancer Evolution) >> SRS Air Bag Diagnosis >> Diagnostic Trouble Code Procedures < SRS-Ecu > >> DTC U0171: Front Impact Sensor (RH) Communication Error >> Circuit Operation

Circuit Operation

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

If an impact of set value or more is detected, the front impact sensor sends the coded acceleration data to SRS-ECU. Based on the acceleration data, SRS-ECU determines the necessity of driver's and front passenger's air bag deployment, and then turns ON the power supply circuit to the inflator.

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