Line Pressure Test

LINE PRESSURE TEST PORTS





Location of line pressure test ports are shown in illustration.
- Line pressure plugs are hexagon-headed bolts.
- Always replace line pressure plugs as they are self-sealing bolts.

LINE PRESSURE TEST PROCEDURE
1. Check A/T fluid and engine oil levels. If necessary, add fluid and oil.





2. Drive vehicle for approximately. 10 minutes or until fluid and oil reach operating temperature.
ATF operating temperature:
50 - 80° C (122 - 176° F)
3. Install pressure gauge to line pressure port.





- D, 2 and 1 positions -





- R position -





4. Set parking brake and block wheels.
- Continue to depress brake pedal fully while performing line pressure test at stall speed.





5. Start engine and measure line pressure at idle and stall speed.
- When measuring line pressure at stall speed, follow the stall test procedure.
Line pressure:
Refer to "Line Pressure", under Specifications.





JUDGEMENT OF LINE PRESSURE TEST

Governor Pressure Testing
1. Check A/T and engine fluid levels. If necessary, add fluid.
2. Drive vehicle for approximately. 10 minutes or until engine oil and ATF reach operating temperature.
ATF operating temperature:
50 - 80° C (122 - 176° F)





3. Install pressure gauge to governor pressure port.





4. Jack up front and rear wheels.
5. Set selector lever in D position and gradually depress accelerator pedal.
- Be careful of rotating wheels.
- Governor pressure is not generated when vehicle is stopped.





- Governor pressure rises gradually in response to vehicle speed.
Governor pressure:
Refer to Specifications.
If not, check governor valve assembly.