Toyota AVENSIS 2000 Supplement Manual page 142

7. MECHANICAL SYSTEM TESTS
(a) Measure the stall speed.
The object of this test is to check the overall performance of the transaxle and engine by measuring
the stall speeds in the D and R ranges.
NOTICE:
Do the test at normal operating ATF temperature 50 – 80 °C (122 – 176 °F).
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Do not continuously run this test for longer than 5 seconds.
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To ensure safety, do this test in a wide, clear level area which provides good traction.
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The stall test should always be carried out in pairs. One technician should observe the condi-
tions of wheels or wheel stoppers outside the vehicle while the other is doing the test.
(1) Chock the 4 wheels.
(2) Connect a hand–held tester to DLC3.
(3) Fully apply the parking brake.
(4) Keep your left foot pressing firmly on the brake pedal.
(5) Start the engine.
(6) Shift into the D range. Press all the way down on the accelerator pedal with your right foot.
(7) Quickly read the stall speed at this time.
Stall speed: 2,500 ± 150 rpm
(8) Do the same test in the R range.
Stall speed: 2,500 ± 150 rpm
Evaluation:
(a) Stall speed low in D and R ranges
(b) Stall speed high in D range
(c) Stall speed high in R range
(d) Stall speed high in D and R ranges
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
Problem
– AUTOMATIC TRANSAXLE (A246E)
S Engine output may be insufficient
S Stator one–way clutch not operating properly
HINT: If more than 600 rpm below the specified value, the torque
converter could be faulty.
S Line pressure too low
S Forward clutch slipping
S One–way clutch No.2 not operating properly
S U/D one–way clutch not operating properly
S Line pressure too low
S Reverse clutch slipping
S 1st and reverse brake slipping
S U/D brake slipping
S Line pressure too low
S Improper fluid level
S U/D one–way clutch not operating properly
Possible cause
DI–11