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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Supplemental Restraint System (SRS) -- Lancer >> SRS Air Bag Diagnosis >> Symptom Procedures >> Inspection procedure 2: Power supply circuit system >> Circuit Operation

Circuit Operation

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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