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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control System (Diagnostic Codes (P0ADB-227 - U0424-537) & Circuit Tests)) (Hybrid) >> Hybrid Control System >> DTC P314A-828: Inverter Coolant Pump Speed Signal >> Monitor Description

Monitor Description

The hybrid vehicle control ECU monitors the speed of the inverter water pump assembly (w/ motor). If there is an abnormality in speed, the hybrid vehicle control ECU will illuminate the MIL and set a DTC.