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Home >> Toyota >> 2009 >> Prius Base >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> P112 Hybrid Vehicle Control - DTC P0336 - P0A1D >> DTC P0A1D-180 Hybrid Powertrain Control Module; DTC P0A1D-181 Hybrid Powertrain Control Module; DTC P0A1D-182 Hybrid Powertrain Control Module; DTC P0A1D-183 Hybrid Powertrain Control Module; DTC P0A1D-184 Hybrid Powertrain Control Module; DTC P0A1D-185 Hybrid Powertrain Control Module; DTC P0A1D-186 Hybrid Powertrain Control Module >> Monitor Description
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Monitor Description

The HV control ECU performs diagnostic monitoring to verify proper operation of internal and external ECU systems. In this diagnostics monitor, the HV control ECU monitors the output of the rotation angle CPU.

If the HV control ECU detects an error in the rotation angle CPU, it will conclude that there is an internal malfunction in the HV control ECU. The HV control ECU will illuminate the MIL and set a DTC.

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