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