
AT1–44
AT340E (2JZ–GE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING
MECHANICAL SYSTEM TEST
STALL TEST
The object of this test is to check the overall performance of the transmission and engine by measuring
the stall speeds in the D and R positions.
NOTICE:
• Do the test at normal operating fluid temp. 50–80 °C (122–176 °F).
• Do not continuously run this test longer than 5 seconds.
• To ensure safety, conduct this test in a wide, clear, level area which provides good traction.
• The stall test should always be carried out in pairs. One technician should observe the
conditions of wheels or wheel stoppers outside the vehicle while the other is doing the test.
MEASURE STALL SPEED
(a) Chock the 4 wheels.
(b) Connect a tachometer to the engine.
(c) Fully apply the parking brake.
(d) Keep your left foot pressed firmly on the brake pedal.
(e) Start the engine.
(f) Shift into the D position. Fully depress the accelerator pedal with your right foot. Quickly read the stall
speed.
Stall speed:
2,450 ± 150 rpm
(g) Do the same test in R position.
Quickly read the stall speed.
Stall speed:
2,450 ± 150 rpm
Parking Brake
D
or
R
TE0047