DTC 58-44: Player Error; DTC 80-44: Player Error: Procedure

CHECK NAVIGATION ECU
1. Check if a disc can be inserted or ejected normally.
  OK
  
  A disc can be inserted or ejected normally.
NG → REPLACE NAVIGATION ECU

OK: Go to next step
DTC CLEAR AND RECHECK
1. Clear the DTCs . Refer to DTC CHECK / CLEAR .
2. Recheck for DTCs and check if the same trouble occurs again.
  OK
  
  Same problem does not occur.
OK → END

NG → REPLACE NAVIGATION ECU