TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.043

ATTE/A340 Automatic Trans (GTE) — Mechanical System Tests, page 44

44 / 118
p.045
Mechanical System Tests — MK4 Supra A340 Automatic Trans (GTE), page 44
100%
Page text (OCR transcript)
AT2–44
A340E (2JZ—GTE) AUTOMATIC TRANSMISSION – TROUBLESHOOTING

MECHANICAL SYSTEM TESTS

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) Fully apply the parking brake.
(c) Connect a tachometer to the engine.
(d) Start the engine and check idle.
(e) Keep you foot pressed firmly on the brake pedal.
(f) Shift into the D position. Fully depress the accelerator pedal.
Quickly read the stall speed.
Stall speed:
2,600±150 rpm
(g) Do the same test in R position.
Quickly read the stall speed.
Stall speed:
2,600±150 rpm

Parking Brake

D
or
R

AT5308