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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 Code 309 >> 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 and short in wire harness between HV ECU terminals (GUU, GVU, GWU) and inverter terminals. 
    1. NG:  Repair or replace wire harness.
    2. OK:  Go to step  2.
  2. Is there DTC P3100 being output? 
    1. YES:  Check applicable DTC.
    2. NO:  Replace converter & inverter assembly.
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