POWER LIFTGATE (PLG) CONTROL MODULE CONSTRUCTION/OPERATION

id091100104500

Fail-safe Function

• The PLG control module monitors each input/output part, and if a malfunction is detected, performs the following actions.

Item | Detection Condition | Action after detection | Auto operation return
Rotation sensor malfunction | • Pulse signal A fixed at high or low is detected • Pulse signal B fixed at high or low is detected • Abnormal pulse count detected • Reverse direction pulse detected for operation direction | Auto operation stop (Clutch off) | Liftgate closed
Damper damage | After auto open operation or emergency stop (Clutch off), a sudden pulse in the close direction is detected | Auto close operation | Liftgate closed
PLG motor over-current | Over-current in PLG motor | Auto operation stop (Clutch off) | Liftgate closed or open
Continuous reverse | • Switch is operated continuously • Continuous obstruction detected | Auto operation stop (Clutch off) | Liftgate closed or open
PLG motor failure | PLG motor GND fault detection | Auto operation stop (Clutch off) | Liftgate fully closed
ECU failure | PLG motor FET ON fault detection | Auto operation stop (Clutch off) | Liftgate fully closed