Kia 2004.5 Spectra Service Technical Training page 63

2004.5 Spectra Technology
AUTOMATIC TRANSAXLE
CVVT ENGINE
Powertrain
The 2004.5 Spectra offers an optional F4A42
automatic transaxle, which is currently used on the
Optima 4 and 6 cylinder vehicles. The new Spectra
transaxle differs from the Optima by:
• Not having Sport shift
• Having Siemens PCM
The Siemens system uses an adaptive learning and
memory system based on the drivers driving patterns.
The PCM software is better equipped to calculate the
drivers driving pattern for quicker response and
greater customer satisfaction.
The Siemens Adaptive TM control (SAT) has 6 possible
shift modes to select from based on operation mode
and load. They are illustrated below:
Economic mode is applied by SAT as often as possible.
Adaptive shift patterns of medium and sporty modes
are activated based on driver's shift pattern and the
following load conditions:
• Load 1 is designed for driving on moderate road
gradients
• Load 2 is active while going steeply upwards and
• Load 3 is intended for downhill driving, such as
increased engine braking.
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