Toyota Camry Manual page 1425

DI–398
(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 & 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 : 750 ± 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.
Time lag: N
(5) In the same manner, measure the time lag for N
Time lag: N
Evaluation (If N
N D time lag is longer
N R time lag is longer
DIAGNOSTICS
D Less than 1.2 seconds
R Less than 1.5 seconds
D time or N R time lag is longer than the specified):
Problem
– AUTOMATIC TRANSAXLE (A140E)
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 & reverse brake worn
D O/D one–way clutch not operating properly
Author :
Possible cause
Date :
633