Logic Flow Chart

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Check Conditions

The IGBT status of power drive unit (FEMCU) is on (Active).

Judgment Criterion

• IGBT driver power supply voltage less than 12 volts occurs 3 times within 60 seconds.
• A voltage excess of 0.7 volts between the collector and the emitter occurs 3 times within 60 seconds.

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Check Conditions

• Power drive unit (FEMCU) power supply voltage is 8 volts to 16 volts.
• The IGBT status of power drive unit (FEMCU) is off (Shutdown).

Judgment Criterion

• IGBT driver power supply voltage is less than 12 volts for 0.5 seconds.
• The voltage between the collector and the emitter is exceeded by 0.7 volts for 0.5 seconds.