NOTE: When the select lever is shifted while the engine is idling, there will be a certain time elapse or lag before shock is felt. Using this, check the condition of forward brake, reverse brake, 1st one-way clutch and 3rd one-way clutch.

Perform the test at normal operation fluid temperature of 70 - 80°C (158 - 176°F).
Be sure to allow one minute or more interval between tests.
Make three measurements and take the average value.

Fully apply the parking brake.
Start the engine. Check the idle speed. (A/C OFF)
Shift the select lever from "N" to "D" range. Using a stop watch, measure the time-lag from shifting the lever until the shock is felt.
Time-lag

Standard: 1.2 seconds or less

If "N" → "D" time-lag is longer than specification:
- Line pressure too low
- Forward brake worn
- One-way clutch not operating properly
In the same manner, measure the time lag of "N" → "R".
Time-lag

Standard: 1.5 seconds or less

If "N" → "R" time lag is longer than specification:
- Line pressure too low
- Reverse brake worn

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Time Lag Test: Inspection

Use the Manual With the Right Hardware

When to See a Mechanic

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