Component Tests and General Diagnostics

Line Pressure Test

Purpose of this test is to check operating conditions of each part by measuring fluid pressure in fluid pressure line.

Line pressure test requires following conditions.

- Automatic fluid is at normal operating temperature (70 - 80 °C / 158 - 176 °F).
- Fluid is filled to proper level (between FULL and LOW on dipstick).
- Air conditioner switch is turned OFF.

1) Apply parking brake securely and place chocks against wheels.
2) Remove fluid pressure check hole plug bolt.
3) Attach oil pressure gauge to fluid pressure check hole in transmission case.
Special Tool

(A): 09925-37811-001

NOTE:
If fluid is leaking from the oil pressure gauge connection, accurate readings cannot be obtained.





4) Depress foot brake fully, run engine at idle and stall then check fluid pressure in "D" or "R" range.

Automatic transmission line pressure






5) If check result is OK, disconnect special tool, then tighten fluid pressure check hole bolt to specified torque.

Tightening torque
Fluid pressure check hole bolt 8 Nm (0.8 kgf-m, 6.0 lbf-ft)

Troubleshooting