P3115 Fix Prius

Prius 2003 Wiring Diagram

A14737

INSPECTION PROCEDURE

Prius Terminals

Check for +B short in wire harness between HV ECU and IGCT relay (See page IN-41). Repair or replace wire harness.

HINT:

The HV ECU MREL terminal has +B short if the battery voltage is always applied to the HV ECU +B1 or MREL terminal with the ignition OFF.

DI836-02

DTC

P3115

System Main Relay Malfunction

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