Shift Point Road Test
SHIFT POINT ROAD TESTThis test verifies that the shift control system is operating correctly
1. Bring engine and transaxle up to normal operating temperature.
2. Operate the vehicle with transaxle range selector lever in D position.
3. Apply minimum throttle and observe speeds at which upshift occurs and torque converter engages.
Shift Speed
Speeds Chart (also see the Automatic Transaxle Specifications Issue).
Caution: Do not exceed posted speed limits when carrying out this test.
Shift Speed
4. Coasting 2-1 downshift procedure: accelerate 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 (fourth gear), depress the transaxle control switch. The transaxle should downshift to third gear. Remove foot from accelerator pedal; engine braking should occur. The torque converter clutch should disengage and then reapply.
6. Depress the accelerator pedal to floor. The transaxle should shift from third to second gear, or third to first, depending on vehicle speed.
7. With 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 accelerator pedal. The transaxle should immediately downshift into second 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 first gear at speeds below 48 - 56 km/h (30 - 35 mph).
Note: Shift speed ranges are approximate for all applications. For specific applications (engine, axle ratio and application) see the Automatic Transaxle Specification Issue.
8. If the transaxle fails to upshift/downshift or the torque converter does not apply and release, see DIAGNOSIS BY SYMPTOM, for possible causes. Symptom Related Diagnostic Procedures