Check for B short in wire harness between stop light switch and terminals STP STof Hv Ecu See page IN


Under the normal condition, the voltage of the HV ECU STP terminal is 0V when the brake pedal is released with the ignition OFF. If there is any output of voltage at this time, the stop light switch circuit has +B short.

Check and replace stop light switch (See page BE-32).




BATT Malfunction

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