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 <--> 4th while driving on normal 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 between D <--> 3rd range while driving in 4th gear of D range [50 to 60 km/h (31 to 37 MPH)].
Check the 2nd gear engine brake when shifting between 3 <--> 2 range while driving in the 3 range 3rd gear [40 to 50 km/h (25 to 31 MPH)].
- Check the 1st gear engine brake when shifting between 2 <--> 1 range while driving in the 2 range 2nd gear [20 to 30 km/h (12 to 19 MPH)].
- Check the 3rd gear engine brake when shifting between D <--> 3rd range while driving in 4th gear of D range [50 to 60 km/h (31 to 37 MPH)].
- LOCK-UP FUNCTION
Check that engine speed does not change sharply when the accelerator pedal is lightly depressed when driving on flat roads at normal speed in the lock-up 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.
- UNUSUAL SOUNDS AND VIBRATION
Check for unusual sounds 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 if the tight corner braking occurs when the vehicle is started with steering wheel held at fully turned position. (MPT model)
- OIL LEAKS
After the driving test, inspect for oil leaks.