Time Lag Test

If the shift lever is shifted while the engine is idling, there will be a certain time elapse or lag before the shock can be felt. This is used for checking the condition of the OD clutch, front clutch, rear clutch and brake No. 3.

CAUTION:

(a) Perform the test at normal operation fluid temperature (50 - 80°C or 122 - 176°F).

(b) Be sure to allow a one minute interval between tests.

|c) Make three measurements and take the average value.

MEASURE TIME LAG

(a) Fully apply the parking brake.

lb) Start the engine.

Check idling speed (A/C OFF)

"N" range 650 rpm lc) Shift the shift lever from "N" to "D" range. Using a stop watch, measure the time it takes from shifting the lever until the shock is felt.

Time lag: Less than 1.2 seconds

Wl In same manner, measure the time lag for "N"

Time lag: Less than 1.5 seconds

Time Lag Test

ATQS37

EVALUATION

(a) If "N" "D" time lag is longer than specified:

• Line pressure too low

• Front clutch worn

• OD one-way clutch not operating properly

(b) If "N" "R" time lag is longer than specified:

• Line pressure too low

• Rear clutch worn

• OD one-way clutch not operating properly

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