Shift Point Road Test
Shift Point Road TestThis test verifies that the shift control system is operating correctly.
1. Bring the engine and transaxle up to normal operating temperature.
2. Operate the vehicle with the transaxle range selector lever in the (D) position.
3. Apply minimum throttle and observe the speeds at which upshift occurs and torque converter engages. Refer to the following shift speed table.
Shift Speed:
4. Coasting 2-1 downshift procedure: accelerate the vehicle from a stop to 19-24 km/h (12-15 mph). Release the accelerator and coast down or lightly brake the vehicle. The coast downshift may be nearly imperceptible to the driver.
5. With the vehicle in (D) (4th gear), depress the transmission control switch. The transaxle should downshift to 3rd gear. Remove foot from the accelerator pedal; engine braking should occur. The torque converter clutch will not reapply with closed throttle. Depending on vehicle speed, the torque converter clutch should disengage and then reapply after the accelerator pedal has been pressed.
6. Depress the accelerator pedal to the floor. Depending on vehicle speed, the transaxle should shift from 3rd to 2nd gear, or 3rd to 1st.
CAUTION: Do not exceed posted speed limits when carrying out this test.
NOTE: Shift speed ranges are approximate for all applications.
7. With the vehicle in (D) range above 80 km/h (50 mph) and less than half throttle, move the transaxle range selector lever from (D) range to manual 2 range and remove foot from the accelerator pedal. The transaxle should immediately downshift into 2nd gear. With the vehicle remaining in manual 2 range, move the transaxle range selector lever into manual 1 range and release the accelerator pedal. The transaxle should downshift into 1st gear at speeds below 48-56 km/h (28-32 mph) for 3.0L engine and 43 km/h (27 mph) for the 2.3L engine.
8. If the transaxle fails to upshift/downshift or the torque converter does not apply and release, refer to the Diagnosis By Symptom for possible causes. Diagnosis By Symptom