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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Supplemental Restraint System (SRS) - Lancer Evolution) >> SRS Air Bag Diagnosis >> Symptom Procedures >> Inspection Procedure 2: Power Supply Circuit System >> Circuit Operation

Circuit Operation

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

To SRS-ECU, the power is supplied from two independent circuits (fuse No. 12 and 18) via IG1 relay of ETACS-ECU.

If the power is not supplied to SRS-ECU, the communication between scan tool (M.U.T.-III Sub Assembly) and SRS-ECU cannot be established.

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