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Home >> Toyota >> 2012 >> Highlander Hybrid >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Vehicle Control System (Diagnostic Codes (P0A7A-122 - P0AC0-817) (Hybrid) >> Hybrid Control System >> DTC P0A91-705: Drive Motor "B" Performance >> Monitor Description

Monitor Description

The MG ECU monitors MGR. If the MG ECU detects a reduction in the magnetic force of MGR or an inphase short, it interprets this as an MGR failure. The hybrid vehicle control ECU will illuminate the MIL and set a DTC.