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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Hybrid Control System - Diagnosis) >> DTC P0A1D/166: Hybrid Powertrain Control Module, DTC P0A1D/167 Hybrid Powertrain Control Module, DTC P0A1D/197 Hybrid Powertrain Control Module, DTC P0A1P/200 Hybrid Powertrain Control Module >> Circuit Description
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Circuit 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 self-checks to detect an internal operating malfunction in the ECU.

Fig 1: DTC P9A1D Circuit Description
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