Mazda RX-8. Manual — part 8
05–00–1
05
TRANSMISSION/TRANSAXLE
SECTION
05–00
Toc of SCT
OUTLINE . . . . . . . . . . . . . . . . . . 05-00
ON-BOARD DIAGNOSTIC
[SJ6A-EL] . . . . . . . . . . . . . . . . 05-02
AUTOMATIC
TRANSMISSION
[SJ6A-EL] . . . . . . . . . . . . . . . 05-13
AUTOMATIC TRANSMISSION
SHIFT MECHANISM . . . . . . . 05-14
Toc of SCT
05–00
OUTLINE
TRANSMISSION/TRANSAXLE
ABBREVIATIONS. . . . . . . . . . . . . . . . . . 05–00–1
TRANSMISSION/TRANSAXLE
FEATURES . . . . . . . . . . . . . . . . . . . . . . . 05–00–1
TRANSMISSION/TRANSAXLE
SPECIFICATIONS . . . . . . . . . . . . . . . . . 05–00–2
Automatic Transmission . . . . . . . . . . . . 05–00–2
End of Toc
TRANSMISSION/TRANSAXLE ABBREVIATIONS
EHU050000000101
End Of Sie
TRANSMISSION/TRANSAXLE FEATURES
EHU050000000108
End Of Sie
AAS
Active Adaptive Shift
ATF
Automatic Transmission Fluid
AT
Automatic Transmission
CAN
Controller Area Network
CPU
Central Processing Unit
DC
Drive Cycle
EC-AT
Electronically Controlled Automatic Transmission
PPF
Power Plant Frame
1GR
First Gear
2GR
Second Gear
3GR
Third Gear
4GR
Fourth Gear
5GR
Fifth Gear
6GR
Sixth Gear
6-SPEED AT [SJ6A-EL]
Improved fuel economy
•
Six-speed SJ6A-EL automatic transmission has been adopted.
Improved marketability
•
Six-speed SJ6A-EL automatic transmission has been adopted.
•
The Sport AT has been adopted. With this feature up and downshifting can be performed with
either the shift control switch on the steering wheel or with the one-touch operation of the
selector lever.
•
A 5-6 shift inhibit control has been adopted for rapid engine warming.
Superior shift quality
•
Torque reduction control and line pressure control has been adopted.
•
Shift learning control has been adopted.
Improved driveability
•
To improve drivetrain rigidity, a closed section power plant frame (PPF) has been adopted.
•
A control feature for climbing/descending hills has been adopted, improving driveability when
climbing/descending.
OUTLINE
05–00–2
TRANSMISSION/TRANSAXLE SPECIFICATIONS
EHU050000000106
Automatic Transmission
End Of Sie
Item
2005MY RX-8
2006MY RX-8
Transmission type
RC4A-EL
←
SJ6A-EL
Gear ratio
1GR
2.785
←
3.538
2GR
1.545
←
2.060
3GR
1.000
←
1.404
4GR
0.694
←
1.000
5GR
—
—
0.713
6GR
—
—
0.582
Reverse
2.272
←
3.168
ATF
Type
ATF M-III or
equivalent
(e.g. Dexron
®
III)
←
JWS3309
Capacity (Approx. quantity)
(L {US qt, lmp qt})
8.7 {9.2, 7.7}
←
7.9 {8.4, 7.0}
Torque converter stall torque ratio
2.04:1
←
1.85:1
Hydraulic system
(Number of drive/driven plates)
Low clutch
5/5
←
—
High clutch
6/6
←
—
Reverse clutch
2/2
←
—
2-4 brake
4/4
←
—
Low and reverse brake
4/5
←
—
C1 clutch
—
—
4/4
C2 clutch
—
—
5/5
C3 clutch
—
—
4/3
C4 clutch
—
—
4/4
B1 brake
—
—
3/3
B2 brake
—
—
4/3
B3 brake
—
—
4/4
B4 brake
—
—
5/4
Front planetary gear (Number of teeth)
Sun gear
33
←
←
Pinion gear
21
←
—
Pinion gear (inner)
—
—
19
Pinion gear (outer)
—
—
18
Internal gear
75
←
—
Ring gear
—
—
75
Middle planetary gear (Number of teeth)
Sun gear
—
—
26
Pinion gear
—
—
20
Ring gear
—
—
66
Rear planetary gear (Number of teeth)
Sun gear
42
←
26
Pinion gear
17
←
20
Internal gear
75
←
—
Ring gear
—
—
66
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–1
05–02
05–02
ON-BOARD DIAGNOSTIC [SJ6A-EL]
ON-BOARD DIAGNOSTIC (OBD)
SYSTEM OUTLINE [SJ6A-EL] . . . . . . . 05–02–1
ON-BOARD DIAGNOSTIC (OBD)
SYSTEM BLOCK DIAGRAM
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–02–1
MALFUNCTION DETECTION FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . 05–02–2
Malfunction Detection Function . . . . . . 05–02–2
DTC Table . . . . . . . . . . . . . . . . . . . . . . 05–02–2
MEMORY FUNCTION [SJ6A-EL] . . . . . . 05–02–3
MALFUNCTION INDICATION FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–02–3
FAIL-SAFE FUNCTION [SJ6A-EL] . . . . . 05–02–3
Emergency Mode . . . . . . . . . . . . . . . . . 05–02–7
PARAMETER IDENTIFICATION (PID)
DATA MONITORING FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–02–7
Monitor Item Table. . . . . . . . . . . . . . . . . 05–02–7
SIMULATION FUNCTION
[SJ6A-EL] . . . . . . . . . . . . . . . . . . . . . . . . 05–02–8
Simulation Item Table . . . . . . . . . . . . . . 05–02–8
DLC-2 OUTLINE [SJ6A-EL]. . . . . . . . . . . 05–02–8
End of Toc
ON-BOARD DIAGNOSTIC (OBD) SYSTEM OUTLINE [SJ6A-EL]
EHU050200000101
•
The OBD system has the following functions:
—
Malfunction detection function: detects malfunctions of the input/output devices and system components of
the AT.
—
Fail-safe function: controls the output device function and input value of the sensors/switches to ensure
minimum vehicle drivability when a failure is detected.
—
Memory function: stores the DTC when a failure is detected.
—
PID data monitoring function: monitors the input/output signal and calculated value of the TCM and sends
the monitoring data to the scan tool.
—
Simulation function: Allows override operation of simulation items for input/output system parts preset in the
TCM.
End Of Sie
ON-BOARD DIAGNOSTIC (OBD) SYSTEM BLOCK DIAGRAM [SJ6A-EL]
EHU050200000102
End Of Sie
TCM
CAN
CAN
PCM (CAN)
DLC-2
MIL
INPUT
PARTS
OBD SYSTEM
MALFUNCTION
INDICATION
FUNCTION
MEMORY
FUNCTION
SERIAL
COMMUNICATION
MALFUNCTION
DETECTION
FUNCTION
PID DATA
MONITORING
FUNCTION
SIMULATION
FUNCTION
FAIL-SAFE
FUNCTION
TRANSAXLE CONTROL SYSTEM
INSTRUMENT
CLUSTER
AT WARNING
LIGHT
WDS OR
EQUIVALENT
OUTPUT
PARTS
E5U502ZS5001
ON-BOARD DIAGNOSTIC [SJ6A-EL]
05–02–2
MALFUNCTION DETECTION FUNCTION [SJ6A-EL]
EHU050200000103
Malfunction Detection Function
•
In the malfunction detection function, the TCM detects malfunctions in the automatic transmission while driving.
•
When vehicle driving conditions correspond with a preset malfunction detection condition, the TCM determines
that the automatic transmission has a malfunction and stores the corresponding DTC.
•
When a malfunction is detected, stored DTCs can be retrieved using the WDS or equivalent connected to the
DLC-2.
DTC Table
X: Available
–: N/A
DTC No.
Condition
MIL
AT
warning
light
DC
Memory
function
P0601
Flash ROM malfunction
X
X
1
X
P0603
EEPROM malfunction
X
X
1
X
P0604
RAM malfunction
X
X
1
X
P0707
Transmission range (TR) switch circuit low input (short to ground)
X
X
1
X
P0708
Transmission range (TR) switch circuit high input (open circuit)
X
X
2
X
P0711
Transmission fluid temperature (TFT) sensor malfunction (stuck)
X
X
2
X
P0712
Transmission fluid temperature (TFT) sensor circuit malfunction (short to
ground)
X
X
1
X
P0713
Transmission fluid temperature (TFT) sensor circuit malfunction (short to
power/open circuit)
X
X
1
X
P0717
Turbine sensor circuit malfunction (open circuit/short circuit)
X
X
1
X
P0722
Vehicle speed sensor (VSS) circuit malfunction (open circuit/short circuit)
X
X
1
X
P0751
Shift solenoid A malfunction (stuck off)
X
X
2
X
P0752
Shift solenoid A malfunction (stuck on)
X
X
2
X
P0756
Shift solenoid B malfunction (stuck off)
X
X
2
X
P0757
Shift solenoid B malfunction (stuck on)
X
X
2
X
P0761
Shift solenoid C malfunction (stuck off)
X
X
2
X
P0762
Shift solenoid C malfunction (stuck on)
X
X
2
X
P0766
Shift solenoid D malfunction (stuck off)
X
X
2
X
Shift solenoid G malfunction (stuck on)
X
X
2
X
P0781
1-2 shift valve malfunction
X
X
2
X
P0813
Reverse sequence valve malfunction
X
X
2
X
P0819
Manual switch/up switch/down switch circuit malfunction (open circuit/short
circuit)
–
X
1
X
P0826
Steering shift switch circuit malfunction (open circuit/short to ground)
X
X
1
X
P0882
TCM B+ low (less than 9 V)
–
X
1
X
P0883
TCM B+ low (less than 11 V)
–
X
1
X
P0961
Line pressure control solenoid range/performance (stuck)
X
X
1
X
P0962
Line pressure control solenoid circuit malfunction (short to ground/open circuit)
X
X
1
X
P0963
Line pressure control solenoid circuit malfunction (short to power)
X
X
1
X
P0969
Shift solenoid F range/performance (stuck)
X
X
1
X
P0970
Shift solenoid F circuit malfunction (short to ground/open circuit)
X
X
1
X
P0971
Shift solenoid F circuit malfunction (short to power)
X
X
1
X
P0973
Shift solenoid A circuit malfunction (short to ground)
X
X
1
X
P0974
Shift solenoid A circuit malfunction (short to power/open circuit)
X
X
1
X
P0976
Shift solenoid B circuit malfunction (short to ground)
X
X
1
X
P0977
Shift solenoid B circuit malfunction (short to power/open circuit)
X
X
1
X
P0979
Shift solenoid C circuit malfunction (short to ground)
X
X
1
X
P0980
Shift solenoid C circuit malfunction (short to power/open circuit)
X
X
1
X
P0982
Shift solenoid D circuit malfunction (short to ground)
X
X
1
X
P0983
Shift solenoid D circuit malfunction (short to power/open circuit)
X
X
1
X
P0985
Shift solenoid E circuit malfunction (short to ground)
X
X
1
X
P0986
Shift solenoid E circuit malfunction (short to power/open circuit)
X
X
1
X
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