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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 336 (Hybrid Vehicle Control System - Diagnostics) >> Circuit Inspection >> DTC P3125: Converter & Inverter Assembly Malfunction >> Circuit Description - DTC P3125 - Information Codes 263, 264, 265 >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for open, short and +B short in wire harness between HV ECU NODD terminal and converter & inverter NODD terminal  . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION .
    NOTE: The converter has +B short if the battery voltage is always applied to the HV ECU NODD terminal with the ignition ON.
    1. NG:  Repair or replace wire harness.
    2. OK:  Replace converter & inverter assembly.
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