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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 B1C3B: Driver's Pre-TENSIONER (Squib) System (Short Circuit Between Squib Circuit Terminals) >> 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.

The SRS-ECU judges how severe a collision is by detecting signals from the front impact sensors and the front air bag analog G-sensor. If the impact is over a predetermined level, the SRS-ECU sends an ignition signal. At this time, if the front air bag safing G-sensor is on, the pre-tensioner will deploy.

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