Mazda X-5. Manual — part 80
AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–23
05–13
COMPONENT DESCRIPTIONS (ELECTRONIC CONTROL) [SJ6A-EL]
E5U051318901N04
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Part name
Function
Input system
VSS
• Detects parking gear (output) revolution speed.
Turbine sensor
• Detects direct and reverse disc clutch case (input) revolution
speed.
TR switch
• Detects selector lever ranges/positions.
M range switch
• Selects driving modes (M range) and changes driving
patterns.
Up switch
• Detects shift up request.
Down switch
• Detects shift down request.
TFT sensor
• Detects ATF temperature.
CAN
communication
Brake switch
• Detects the brake pedal depressed.
Throttle opening signal
(APP sensor)
• Input throttle opening angle from PCM.
Engine speed signal
(CKP sensor)
• Input engine speed signal from PCM.
Engine torque signal
(MAF sensor)
• Input engine torque signal from PCM.
Cruise control signal
• Detects cruise control is in use.
Engine coolant
temperature signal
(ECT sensor)
• Input engine coolant temperature signal from PCM.
Output system
ON/OFF type
Shift solenoid A
• Controls the clutch engagement pressure.
Shift solenoid B
• Controls the clutch engagement pressure.
Shift solenoid C
• Controls the clutch engagement pressure.
Shift solenoid D
• Controls the clutch engagement pressure.
Shift solenoid E
• Controls the clutch engagement pressure.
Linear type
Line pressure control
solenoid
• Adjusts the line pressure.
TCC control solenoid
• Controls the TCC hydraulic pressure.
Shift solenoid F
• Controls the clutch engagement pressure.
Shift solenoid G
• Controls the clutch engagement pressure.
CAN
communication
AT warning light
• Illuminates when failure is detected by diagnosis function.
Speedometer signal
• Outputs the vehicle speed signal to speedometer.
Reduce torque signal
• Sends signals to the PCM during shifting.
AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–24
INPUT/OUTPUT SIGNAL AND RELATED CONTROLS [SJ6A-EL]
E5U051318901N05
X : Available
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Component
Control item
Shift
control
Manual
mode
shift
control
TCC
control
5-6 shift
inhibit
control
Torque
reduction
control
Line
pressure
control
Shift
learning
control
On-board
diagnostic
function
Input
VSS
X
X
X
X
X
Turbine sensor
X
X
X
X
X
X
X
TR switch
X
X
X
M range switch
X
X
Up switch
X
X
Down switch
X
X
TFT sensor
X
X
X
X
CAN
communication
Brake switch
X
Throttle opening
signal (APP sensor)
X
X
X
X
X
Engine speed signal
(CKP sensor)
X
X
X
X
X
Engine torque signal
(MAF sensor)
X
X
X
X
Cruise control signal
X
Engine coolant
temperature signal
(ECT sensor)
X
X
X
X
Output
ON/OFF type
Shift solenoid A
X
X
X
X
Shift solenoid B
X
X
X
X
Shift solenoid C
X
X
X
X
Shift solenoid D
X
X
X
X
Shift solenoid E
X
X
X
X
Linear type
Line pressure control
solenoid
X
X
X
X
X
TCC control solenoid
X
X
Shift solenoid F
X
X
X
X
X
X
Shift solenoid G
X
X
X
X
X
X
CAN
communication
AT warning light
X
X
X
Reduce torque signal
X
Speedometer signal
AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–25
05–13
TRANSMISSION RANGE (TR) SWITCH FUNCTION [SJ6A-EL]
E5U051319200N01
• The TR switch sends information on which range
is selected in the automatic transmission using a
combination of the position circuit terminals, and
its functions are as follows:
1. Enables engine starting only in P or N
positions
2. Used as shifting control signals
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A
B
H
D
F
G
E
C
I
E5U513ZS5023
Position/Range
Connector terminal
P
R
N
D
Starter
circuit
I
A
E
B
C
H
D
Position-circuit
: Continuity
Polarity
E5U513ZS5024
AUTOMATIC TRANSMISSION [SJ6A-EL]
05–13–26
TURBINE SENSOR, VEHICLE SPEED SENSOR (VSS) CONSTRUCTION/OPERATION [SJ6A-EL]
E5U051319200N02
• The turbine sensor detects the rotation speed of the direct and reverse disc clutch case, and sends it to the
TCM as a signal.
• The VSS detects the rotation speed of the parking gear and sends it to the TCM as a signal.
• A magnetic pick sensor which has high detection accuracy has been adopted for each sensor. When the rotor
rotates, air gap between the sensor and detection projections varies, magnetic flux which passes through the
sensor coil increases and decreases, and electromotive force is generated in the coil. This generated voltage is
shown as alternative current since the current direction while the projections are approaching the sensor is
reversed from that of when the projections are moving away from the sensor.
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18 (30
° /360° )
24 (15
° /360° )
DIRECT AND REVERSE DISC CLUTCH CASE
TURBINE SENSOR
VSS
VSS
PARKING GEAR
OUTPUT WAVE NUMBER PER
ONE ROTATION OF ROTOR
OUTPUT WAVE NUMBER PER
ONE ROTATION OF ROTOR
E5U513ZS5025
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