Road Test

1. Check up-shift operation.

   Check that the 1 → 2,2 → 3, 3 → 4,4 → 5 and 5 → 6 up-shifts take place at the shift points shown in the automatic shift schedule (see A761E AUTOMATIC TRANSMISSION ).

   HINT:

   6th and 5th Gear Up-shift Prohibition Control

   • Engine coolant temperature is less than 55°C (131°F) and vehicle speed is less than 51 km/h (32 mph).

   4th Gear Up-shift Prohibition Control

   • Engine coolant temperature is less than 47°C (117°F) and vehicle speed is less than 49 km/h (30 mph).

   Lock-up Prohibition Control

   • Brake pedal is depressed.
   • Accelerator pedal is released.
   • Engine coolant temperature is less than 60°C (140°F).

   When the pattern select switch (ECT SNOW Switch) is ON, there is no 1 → 2 up-shift and 2 → 1 down-shift.

2. Check for shift shock and slip.

   Check for shock and slip at the 1 → 2, 2 → 3, 3 → 4, 4 → 5 and 5 → 6 up-shifts.

3. Check for abnormal noise and vibration.

   Check for abnormal noise and vibration when up-shifting from 1 → 2,2 → 3, 3 → 4, 4 → 5 and 5 → 6 while driving with the shift lever on D, and while driving in the lock-up condition.

   NOTE: If abnormal noise and/or vibration occurs, conduct a thorough check of the cause. Failure to repair the problem may lead to subsequent problems in the differential, torque converter, etc.
4. Check kick-down operation.

   While driving the vehicle in the 2nd, 3rd, 4th, 5th and 6th gears with the shift lever on D, check that the possible kick-down vehicle speed limits for 2 → 1, 3 → 2, 4 → 3, 5 → 4 and 6 → 5 kick-downs conform to those indicated in the automatic shift schedule (see A761E AUTOMATIC TRANSMISSION ).

5. Check for abnormal shock and slip at kick-down.
6. Check the lock-up mechanism.
   • Drive the vehicle in the 5th or 6th gear with the shift lever on D. Maintain a steady speed (lock-up ON).
   • Lightly depress the accelerator pedal and check that the engine speed does not change abruptly.

   HINT:

   • There is no lock-up function in the 1st, 2nd and 3rd gears.
   • If there is a sudden increase in engine speed, there is no lock-up.

Move the shift lever to S and fully depress the accelerator pedal. Check the following.

1. Check shift operation.
   • While driving the vehicle in 6th gear with the shift lever on D, move the shift lever to S and return to D. Check that the gear change 6 → 5 down-shift and 5 h> 6 up-shift can be performed.

     HINT:

     • When vehicle speed is 145 km/h (90 mph) or more:

       6 → 5 down-shift and 5 → 6 up-shift

     • When vehicle speed is less than 145 km/h (90 mph):

       6 → 4 down-shift and 4 → 6 up-shift

   • With the shift lever on S (while the vehicle is stopped), shift into the "+" position to check that the shift position on the combination meter changes as follows: 1 → 2, 2 → 3, 3 → 4, 4 → 5 and 5 → 6.
   • While driving the vehicle in 5th gear with the shift lever on 5(S) (at a vehicle speed of approximately 55 to 65 km/h (34 to 40 mph)), shift into the "-" position and check if the 4th gear down-shift occurs and the engine brake operates properly.
   • While driving the vehicle in 4th gear with the shift lever on 4(S) (at a vehicle speed of approximately 30 to 40 km/h (19 to 25 mph)), shift into the "-" position and check if the 3rd gear down-shift occurs and the engine brake operates properly.
   • While driving the vehicle in 3rd gear with the shift lever on 3(S) (at a vehicle speed of approximately 20 to 30 km/h (12 to 19 mph)), shift into the "-" position and check if the 2nd gear down-shift occurs and the engine brake operates properly.
   • While driving the vehicle in 2nd gear with the shift lever on 2(S) (at a vehicle speed of approximately 10 to 20 km/h (6 to 12 mph)), shift into the "-" position and check if the 1st gear down-shift occurs and the engine brake operates properly.

   HINT:

   Manual shift (S position) is prohibited under either of the following conditions:

   • Down-shifting that causes engine overrun.
   • The driver continuously down-shifts. (Downshifting to 1st gear may not be performed.)

Move the shift lever to R and lightly depress the accelerator pedal. Check that the vehicle moves backward without any abnormal noise or vibration.

Stop the vehicle on an incline (more than 5°). Then move the shift lever to P and release the parking brake. Check that the parking lock pawl holds the vehicle in place.