Test Procedure

Connect pressure gauge to line pressure test port. See Fig 1 . Start engine. Apply service and parking brakes. Check pressure in all gears. See LINE PRESSURE SPECIFICATIONS (PSI)  table. If line pressure is not within specification, perform appropriate electronic test. See MAZDA LA4A-EL ELECTRONIC CONTROLS article. If no electronic faults are present, perform air pressure checks and service valve body or pump as required. See AIR PRESSURE CHECK  .

Fig 1: Identifying Line Pressure Test Port

Courtesy of FORD MOTOR CO.