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Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Heating, Air Conditioning & Ventilation - With Diagnostics - Lancer) >> Manual A/C Diagnosis >> Symptom Procedures (Vehicles Without A/C) >> INSPECTION PROCEDURE 3: Blower air amount cannot be changed >> Circuit Operation

Circuit Operation

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

If the blower motor speed cannot be changed, the power transistor circuit is suspected.