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Home >> Toyota >> 2011 >> Camry Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 100 (Hybrid Vehicle Control System (P311) (Hybrid) (Diagnostic Codes (P0A78-284 - P0AA1-231)) >> Hybrid Control System >> DTC P0A78-503: Drive Motor "A" Inverter Performance >> Monitor Description

Monitor Description

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If the motor inverter detects overvoltage, it transmits an overvoltage signal to the MG ECU. Upon receiving this signal, the hybrid vehicle control ECU will illuminate the MIL and set a DTC.