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.

Check continuity of wire harness between HV ECU and converter & inverter assembly . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION .
OK: Continuity: Less than 1 Ω

Fig 1: Identifying Information Code 326-341 Resistance Specifications
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1. NG: Repair or replace wire harness.
2. OK: Go to step 2.
Is there DTC P3100 being output?
1. YES: Check applicable DTC.
2. NO: Replace converter & inverter assembly.