THE POWER TRANSFER UNIT (PTU) IS AUTOMATICALLY TESTED:
ADuring the second engine start.
BWhen the Power Transfer (PTU) P/B is latched in the "OFF" position.
CDuring first engine start when the parking brake is selected "ON".
ADuring the second engine start.
BWhen the Power Transfer (PTU) P/B is latched in the "OFF" position.
CDuring first engine start when the parking brake is selected "ON".