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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 532 (Hybrid Control System - Diagnosis) >> DTC P0A1D/134: Hybrid Powertrain Control Module, DTC P0A1D/135 Hybrid Powertrain Control Module, DTC P0A1D/570 Hybrid Powertrain Control Module >> Monitor Description
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Monitor Description

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

The HV control ECU performs diagnostic monitoring to verify proper operation of vehicle systems. One of these monitors the rationality of internal analog (signal) to digital conversions. The HV control ECU monitors the internal A/D (Analog/Digital Converter) value. If there is an A/D malfunction, the HV control ECU will illuminate the MIL and set a DTC.

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