Mazda 2006 MX-5 Service Highlights page 295

05–13 AUTOMATIC TRANSMISSION [SJ6A-EL] 6-SPEED AT
AUTOMATIC TRANSMISSION OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–1
AUTOMATIC TRANSMISSION
CROSS-SECTIONAL VIEW
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–2
AUTOMATIC TRANSMISSION CONTROL
SYSTEM WIRING DIAGRAM
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–3
EC-AT OPERATION CHART
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–4
POWERFLOW STRUCTURE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–5
Description of Components . . . . . . . . . 05–13–5
POWERFLOW OPERATION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–6
1GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–6
2GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–8
3GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–10
4GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–12
5GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–14
6GR . . . . . . . . . . . . . . . . . . . . . . . . . . . 05–13–16
R position . . . . . . . . . . . . . . . . . . . . . . . 05–13–18
CONTROL VALVE BODY COMPONENT
OUTLINE [SJ6A-EL] . . . . . . . . . . . . . . . 05–13–20
ELECTRONIC CONTROL SYSTEM
CONSTRUCTION [SJ6A-EL] . . . . . . . . 05–13–21
ELECTRONIC CONTROL SYSTEM
BLOCK DIAGRAM [SJ6A-EL] . . . . . . . 05–13–22
ELECTRONIC CONTROL ITEMS AND
CONTENTS [SJ6A-EL] . . . . . . . . . . . . . 05–13–22
COMPONENT DESCRIPTIONS
(ELECTRONIC CONTROL)
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–23
INPUT/OUTPUT SIGNAL AND
RELATED CONTROLS [SJ6A-EL] . . . . 05–13–24
TRANSMISSION RANGE (TR) SWITCH
FUNCTION [SJ6A-EL] . . . . . . . . . . . . . 05–13–25
TURBINE SENSOR, VEHICLE SPEED
SENSOR (VSS)
CONSTRUCTION/OPERATION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–26
TRANSMISSION FLUID TEMPERATURE
(TFT) SENSOR OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–27
SHIFT SOLENOID A, B, C AND D
OUTLINE [SJ6A-EL] . . . . . . . . . . . . . . . 05–13–27
SHIFT SOLENOID E OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–13–28
End of Toc
AUTOMATIC TRANSMISSION OUTLINE [SJ6A-EL]
• Newly developed SJ6A-EL type 6-speed AT has been adopted.
• With the adoption of the line pressure solenoid, TCC control solenoid, solenoid for C3 clutch (shift solenoid F),
solenoid for B2 brake (shift solenoid G), and the linear type solenoid, dynamic shift quality has been realized.
End Of Sie
AUTOMATIC TRANSMISSION [SJ6A-EL]
LINE PRESSURE CONTROL SOLENOID
OUTLINE [SJ6A-EL] . . . . . . . . . . . . . . . 05–13–28
TORQUE CONVERTER CLUTCH
(TCC) CONTROL SOLENOID
OUTLINE [SJ6A-EL] . . . . . . . . . . . . . . . 05–13–29
SHIFT SOLENOID F, G OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–30
COUPLER COMPONENT OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–31
SHIFT CONTROL OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–31
MANUAL MODE SHIFT CONTROL
STRUCTURE [SJ6A-EL] . . . . . . . . . . . . 05–13–32
Features . . . . . . . . . . . . . . . . . . . . . . . . 05–13–32
Structure . . . . . . . . . . . . . . . . . . . . . . . . 05–13–32
MANUAL MODE SHIFT CONTROL
OPERATION [SJ6A-EL] . . . . . . . . . . . . . 05–13–32
Manual Mode Shift . . . . . . . . . . . . . . . . 05–13–32
Shift Diagram . . . . . . . . . . . . . . . . . . . . 05–13–34
AT WARNING LIGHT FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–34
AT WARNING LIGHT
CONSTRUCTION/OPERATION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–35
SELECTOR INDICATOR LIGHT
FUNCTION [SJ6A-EL] . . . . . . . . . . . . . . 05–13–35
SELECTOR INDICATOR LIGHT
CONSTRUCTION/OPERATION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–36
Construction . . . . . . . . . . . . . . . . . . . . . 05–13–36
Operation . . . . . . . . . . . . . . . . . . . . . . . 05–13–36
TORQUE CONVERTER CLUTCH (TCC)
CONTROL OUTLINE [SJ6A-EL] . . . . . . 05–13–36
TCC Cancel Conditions. . . . . . . . . . . . . 05–13–36
5-6 SHIFT INHIBIT CONTROL OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–36
TORQUE REDUCTION CONTROL AND
LINE PRESSURE CONTROL OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–36
SELF-DIAGNOSIS FUNCTION OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–37
Stored DTC Erasing Method . . . . . . . . . 05–13–37
FAIL-SAFE OUTLINE [SJ6A-EL]. . . . . . . 05–13–37
SHIFT LEARNING FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–37
COOLING SYSTEM OUTLINE
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–13–37
POWER PLANT FRAME (PPF)
FUNCTION [SJ6A-EL] . . . . . . . . . . . . . . 05–13–37
05–13
E5U051300000N01
05–13–1