Hyundai Sonata: Automatic transaxle operation
The automatic transaxle has 6 forward speeds and one reverse speed. The individual speeds are selected automatically, depending on the position of the shift lever.
To move the shift lever from the P (Park) position, the brake pedal must be depressed and the lock release button must be pressed.
✽ NOTICE
The first few shifts on a new vehicle, if the battery has been disconnected, may be somewhat abrupt. This is a normal condition, and the shifting sequence will adjust after shifts are cycled a few times by the TCM (Transaxle Control Module) or PCM (Powertrain Control Module).
For smooth operation, depress the brake pedal when shifting from N (Neutral) to a forward or reverse gear.
WARNING - Automatic transaxle
- Always check the surrounding areas near your vehicle for people, especially children, before shifting a car into D (Drive) or R (Reverse).
- Before leaving the driver’s seat, always make sure the shift lever is in the P (Park) position; then set the parking brake fully and shut the engine off. Unexpected and sudden vehicle movement can occur if these precautions are not followed in the order identified.
CAUTION
- To avoid damage to your transaxle, do not accelerate the engine in R (Reverse) or any forward gear position with the brakes on.
- When stopped on an incline, do not hold the vehicle stationary with engine power. Use the service brake or the parking brake. • Do not shift from N (Neutral) or P (Park) into D (Drive), or R (Reverse) when the engine is above idle speed.
Transaxle ranges
The indicator in the instrument cluster displays the shift lever position when the ignition switch is in the ON position.
P (Park)
Always come to a complete stop before shifting into P (Park). This position locks the transaxle and prevents the drive wheels from rotating.
WARNING
- Shifting into P (Park) while the vehicle is in motion will cause the drive wheels to lock which will cause you to lose control of the vehicle.
- Do not use the P (Park) position in place of the parking brake. Always make sure the shift lever is latched in the P (Park) position and set the parking brake fully.
- Never leave a child unattended in a vehicle.
CAUTION
The transaxle may be damaged if you shift into P (Park) while the vehicle is in motion.
R (Reverse)
Use this position to drive the vehicle backward.
CAUTION
Always come to a complete stop before shifting into or out of R (Reverse); you may damage the transaxle if you shift into R (Reverse) while the vehicle is in motion, except as explained in “Rocking the vehicle” in this section.
N (Neutral)
The wheels and transaxle are not engaged. The vehicle will roll freely even on the slightest incline unless the parking brake or service brakes are applied.
D (Drive)
This is the normal forward driving position. The transaxle will automatically shift through a 6-gear sequence, providing the best fuel economy and power.
For extra power when passing another vehicle or climbing grades, depress the accelerator fully, at which time the transaxle will automatically downshift to the next lower gear.
✽ NOTICE
Always come to a complete stop before shifting into D (Drive).
Sports mode
Whether the vehicle is stationary or in motion, sports mode is selected by pushing the shift lever from the D (Drive) position into the manual gate. To return to D (Drive) range operation, push the shift lever back into the main gate.
In sports mode, moving the shift lever backwards and forwards will allow you to make gearshifts rapidly.
Up (+) : Push the lever forward once to shift up one gear.
Down (-) : Pull the lever backwards once to shift down one gear.
✽ NOTICE
- In sports mode, the driver must execute upshifts in accordance with road conditions, taking care to keep the engine speed below the red zone.
- In sports mode, only the 6 forward gears can be selected. To reverse or park the vehicle, move the shift lever to the R (Reverse) or P (Park) position as required.
- In sports mode, downshifts are made automatically when the vehicle slows down. When the vehicle stops, 1st gear is automatically selected.
- In sports mode, when the engine rpm approaches the red zone, the transaxle will upshift automatically.
- To maintain the required levels of vehicle performance and safety, the system may not execute certain gearshifts when the shift lever is operated.
- When driving on a slippery road, push the shift lever forward into the +(up) position. This causes the transaxle to shift into the 2nd gear which is better for smooth driving on a slippery road. Push the shift lever to the -(down) side to shift back to the 1st gear.
Paddle shifter
The paddle shifter is available when the shift lever is in the D position or the sport mode. With the shift lever in the D position The paddle shifter can operate when the vehicle speed is mor ...See also:
Output Speed Sensor. Description and Operation
Description
- Integrated one unit for input & output speed sensor
- Differential current type (low: 7mA, high: 14mA)
- Failsafe: 4th gear hold (D), 2nd ~ 4th manual shift (S)
...
Rail Pressure Sensor (RPS). Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine
speed. ...
Audio system
✽ NOTICE
If you install an after market HID head lamp, your vehicle's audio and electronic
device may malfunction. ...