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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Hybrid Control System (For Nickel Metal Hydride Battery) - Circuit Tests (2 Of 2)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> ECU Power Source Circuit [06/2018 - ] >> Description

ECU Power Source Circuit [06/2018 - ]: Description

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If the power switch is on (IG), the hybrid vehicle control ECU applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the +B1 and +B2 terminals.

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