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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Supplemental Restraint System (SRS) - With Diagnostics) >> 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 2014 Mitsubishi Outlander. 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. 15 and 16) via IG1 relay of ETACS-ECU.

If the power is not supplied to SRS-ECU, the communication between scan tool MB991958 and SRS-ECU cannot be established.

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