Road Test

Road Test

INSPECTION

GENERAL PRECAUTION
Road tests should be conducted to properly diagnose the condition of the automatic transmission.

NOTE: When performing the test, do not exceed posted speed limit.

D RANGE SHIFT FUNCTION
Check shifting between 1st <--> 2nd <--> 3rd <--> while driving on general city streets.

D RANGE SHIFT SHOCK
Check the shock level when shifting up during normal driving.

KICK-DOWN FUNCTION
Check kick-down for each gear. Also check the kick-down shock level.

ENGINE BRAKE OPERATION
^ Check the 3rd gear engine brake when shifting down from 4th to 3rd range while driving in 4th gear of manual mode [50-60 km/h (31-37 MPH)].
^ Check the 2nd gear engine brake when shifting down from 3rd to 2nd range while driving in 3rd gear of manual mode [40-50 km/h (25-31 M PH)].
^ Check the 1st gear engine brake when shifting down from 2nd to 1st range while driving in 2nd gear of manual mode [20-30 km/h (12-19 MPH)].

LOCK-UP FUNCTION
Check that rpm does not change sharply when the axle pedal is lightly depressed while driving on flat roads at normal speed in D range.

P RANGE OPERATION
Stop the vehicle on an uphill grade of 5% or more and shift to P range. Check that the vehicle does not move when the parking brake is released.

NOISE AND VIBRATION
Check for noise and vibration while driving and during shifting.

CLIMBING CONTROL FUNCTION
^ Check that the gear remains in 3rd when going up a grade.
^ Check that the gear remains in 3rd when applying the brakes while going down a grade.

TRANSFER CLUTCH
Check tight corner braking phenomenon when the vehicle started with steering fully turned.

OIL LEAKS
After the driving test, inspect for oil leaks.