AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–37
05–13
TORQUE CONVERTER CLUTCH (TCC) CONTROL OUTLINE [SJ6A-EL]
EHU051318901109
• Based on the TCC diagram, the TCC control solenoid is turned on and off according to the vehicle speed and
throttle opening angle, and the TCC point control is performed.
• If any of the following three conditions are met, TCC is cancelled.
TCC Cancel Conditions
• Brake switch is ON
• Accelerator is fully closed (determined being idling)
• Engine coolant temperature is low
Deceleration Slip Control
• The deceleration slip control operates when the accelerator pedal is fully depressed at the start of the
deceleration slip range while the vehicle is being driven.
• The deceleration slip control operates even at lower vehicle speeds by sliding the lockup clutch slightly and
suppressing engine speed increase. In addition, fuel economy has been improved due to the improved
transmission efficiency.
End Of Sie
5-6 SHIFT INHIBIT CONTROL OUTLINE [SJ6A-EL]
EHU051318901110
• The TCM inhibits shift change from the 5th to 6th gears when it determines that the engine is cold based on the
engine coolant temperature signal from the engine.
End Of Sie
TORQUE REDUCTION CONTROL AND LINE PRESSURE CONTROL OUTLINE [SJ6A-EL]
EHU051318901111
• While in a shift change between 1st and 6th gears, a torque reduction request signal is output from the TCM to
the PCM to cut engine torque amplification caused by shift changes to realize smooth shift shock.
• In addition, line pressure control in which line pressure is controlled during shift change between 1st and 6th
gears has been adopted to improve shift shock.
End Of Sie
0/8
1/8
2/8
3/8
4/8
5/8
6/8
7/8
8/8
VEHICLE SPEED km/h {mph}
0
{0}
10
{6.2}
20
{12}
30
{19}
40
{25}
50
{31}
60
{37}
70
{43}
80
{50}
90
{56}
100
{62}
110
{68}
120
{74}
130
{81}
140
{87}
150
{93}
160
{99}
170
{105}
180
{112}
190
{118}
200
{124}
210
{131}
220
{137}
230
{143}
THROTTLE OPENING
4GR
5GR
6GR
TCC OPERATION
AVAILABLE
TCC ON
START OF DECELERATION
SLIP RANGE
DECELERATION SLIP
CONTROL OFF
EHU513BS8009