Road Test

Road Test

INSPECTION

1. 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.

2. D RANGE SHIFT FUNCTION
Check shifting between 1st <--> 2nd <--> 3rd <--> 4th while driving on normal city streets.

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

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

5. 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)].

6. 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 D range.
^ Check slip lock-up with following procedures. Subaru Select Monitor is needed for checking. Before start checking, check that no DTC is displayed. Perform the collective action with DTC and make sure that no more DTC is displayed, and then start the checking.

1) Perform the check on flat and straight road or free roller.

NOTE:
^ Slip lock-up does not operate when the vehicle is lifted up, because of not occurring surface resistance.
^ Also when checking on the free roller, check with depressing the foot brake lightly to make the checking easier, because the surface resistance will be deficient.

2) Connect the Subaru Select Monitor.
3) Check the ATF temperature using Subaru Select Monitor.

NOTE:
^ ATF temperature is between 50 - 100°C (122 - 212°F)
^ When the temperature is low, warm-up the ATF by running the vehicle or etc.

4) Start the engine, so that the lock-up duty can be read on data display of Subaru Select Monitor.
5) Drive the vehicle at a constant speed of 35 - 40 km/h (22 - 25 MPH).
6) Read the lock-up duty while vehicle is running.
Standard value:
25-45%

NOTE:
The value may be lower on the free roller.
^ Slip lock-up control is not operating when the lock-up duty is less than 5%, or when the lock-up duty goes down immediately after starts rising. On these cases, improper ATF or deterioration of ATF may be the cause. Check the amount of ATF or replace them, and then recheck it.

7. 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.

8. UNUSUAL SOUNDS AND VIBRATION
Check for unusual sounds and vibration while driving and during shifting.

9. 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.

10.TRANSFER CLUTCH
Check if the tight corner braking occurs when the vehicle is started with steering wheel held at fully turned position.

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