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Home >> Geo >> 1991 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - A-240E/L, A-244L & A-245E >> Performance Tests >> Time Lag Test >> Notes

Time Lag Test: Notes

CAUTION: Perform test with fluid at normal operating temperature of 122-176°F (50-80°C). Allow a one minute interval between tests. Record 3 measurements and use average value.
  1. If selector lever is actuated with engine idling, a time lag will be noted before shock can be felt. This test is used for checking condition of underdrive clutch, forward clutch, direct clutch and 1st and reverse brake. Apply the parking brake and start engine. Make sure that the idle speed is set to specification. Refer to the IDLE SPEED SPECIFICATIONS .
    IDLE SPEED SPECIFICATIONS

    Vehicle Transaxle RPM
    Geo
    Prizm A-240E 800
    Toyota
    Celica GTS (4A-GZE) A-241E 750-850
    Celica GTS (5S-FE) A-241E 650-750
    Celica ST A-241L 650-750
    Celica GT A-243L 750-850
    Corolla LE A-240L 650-750
    MR2 A-241E 550-850
    Paseo A-244E 550-850
  2. Move selector lever from "N" to "D" position. Measure time required for shock to be felt. Time lag must be less than 1.2 seconds. Repeat procedure shifting from "N" to "R" position. Time lag must be less than 1.5 seconds. See results: