Toyota Camry Manual page 1473

DI–446
(6) Shift into the D position. Press all the way down on the accelerator pedal with your right foot.
Quickly read the stall speed at this time.
Stall speed: 2,600 ± 150 rpm
(7) Do the same test in R position.
Stall speed: 2,600 ± 150 rpm
Evaluation:
(a) Stall speed low in D and R positions
(b) Stall speed high in D position
(c) Stall speed high in R position
(d) Stall speed high in D and R positions
(b) Measure the time lag.
When the shift lever is shifted while the engine is idling, there will be a certain time lapse or lag before
the shock can be felt. This is used for checking the condition of the O/D direct clutch, forward clutch,
and 1st and reverse brake.
NOTICE:
Do the test at normal operating fluid temperature 50 – 80 °C (122 – 176 °F).
D
D
Be sure to allow 1 minute interval between tests.
D
Take 3 measurements and take the average value.
(1) Connect an OBD II scan tool or TOYOTA hand–held tester to DLC3.
(2) Fully apply the parking brake.
(3) Start the engine and check idle speed.
Idle speed: 700 ± 50 rpm (In N position and air conditioner OFF)
(4) Shift the shift lever from N to D position. Using a stop watch, measure the time from when the
lever is shifted until the shock is felt.
In the same manner, measure the time lag for N
Time lag:
N D Less than 1.2 seconds
N R Less than 1.5 seconds
Evaluation (If N
N D time lag is longer
N R time lag is longer
DIAGNOSTICS
Problem
D time or N R time lag is longer than specified):
Problem
– AUTOMATIC TRANSAXLE (A541E)
D Engine output may be insufficient
D Stator one–way clutch is operating properly
HINT: If more than 600 rpm below the specified value, the torque
converter could be faulty.
D Line pressure too low
D Forward clutch slipping
D No.2 one–way clutch not operating properly
D O/D clutch slipping
D Line pressure too low
D Direct clutch slipping
D 1st and reverse brake slipping
D O/D clutch slipping
D Line pressure too low
D Improper fluid level
D O/D one–way clutch not operating properly
R.
D Line pressure too low
D Forward clutch worn
D O/D one–way clutch not operating
D Line pressure too low
D Direct clutch worn
D 1st and reverse brake worn
D O/D one–way clutch not operating properly
Author :
Possible cause
Possible cause
Date :
681