2002 MAZDA 6 Workshop Manual Suplement

K2–90
AUTOMATIC TRANSAXLE
SOLENOID VALVE REMOVAL/INSTALLATIONA6E5714212802031. Remove the control valve body. (See K2–105 CONTROL VALVE BODY REMOVAL/INSTALLATION.)
2. Remove the solenoid valves and manual valve.
.
3. Apply ATF to a new O-ring and install it on the solenoid valve.
4. Install the solenoid valve and manual valve in the control valve body.
Tightening torque
8.34—10.30 N·m
{85.0—105.0 kgf·cm, 73.78—91.13 in·lbf}
5. Install the control valve body. (See K2–105 CONTROL VALVE BODY REMOVAL/INSTALLATION.)
6. Add the ATF while the engine is idling, and inspect the ATF level and leakage. (See K2–80 AUTOMATIC
TRANSAXLE FLUID (ATF) REPLACEMENT.) (See K2–79 Automatic Transaxle Fluid (ATF) Level Inspection.)
7. Carry out the time lag test and line pressure test. (See K2–72 MECHANICAL SYSTEM TEST.)
8. Carry out the road test. (See K2–75 ROAD TEST.)
End Of Sie
TCM INSPECTIONA6E571418901211Terminal Voltage Table (Reference)
Note
•Use the ground of terminal 1C and 1Y of the TCM when measuring terminal voltage, as an error may
occur when connecting the negative circuit tester to ground.
5
44
3
10
687
9
1
2
A6E5714W122
1 Manual valve
2 2-4 brake solenoid valve
3 Neutral shift solenoid valve
4 TCC solenoid valve
5 Shift solenoid C6 Shift solenoid B
7 Reduction timing solenoid valve
8 Shift solenoid A
9 Pressure control solenoid
10 High clutch solenoid valve

AUTOMATIC TRANSAXLE
K2–91
K2
Terminal Signal Connected to Test Condition Voltage (V) Action
1A———— —
1B TFT sensor
(GND)TFT sensor Constant Continuity•Inspect TFT sensor
(See K2–84
TRANSAXLE FLUID
TEMPERATURE (TFT)
SENSOR INSPECTION)
•Inspect related harness
1C GND GND Constant Below 1.0•Inspect related harness
1D———— —
1E———— —
1F TFT sensor TFT sensor ATF temperature
20 °C {68 °F}Approx. 1.55•Inspect TFT sensor
(See K2–84
TRANSAXLE FLUID
TEMPERATURE (TFT)
SENSOR INSPECTION)
•Inspect related harness ATF temperature
60 °C {140 °F}Approx. 0.7
1G K-LINE PCM Because this
terminal is for serial
communication,
good/no good
judgment by
terminal voltage is
not possible. Carry
out inspection
according to DTCs.—•Inspect related harness
1H Cruise control
switchCruise control
switchCruise control
switch ONB+•Inspect cruise control
switch
(See section T)
•Inspect related harness Cruise control
switch OFF0
1I———— —
1J———— —
1K Intermediate sensor Intermediate sensor Vehicle stop 0•Inspect Intermediate
sensor
(See K2–86
INTERMEDIATE
SENSOR INSPECTION)
•Inspect related harness Vehicle speed at 20
km/h {12.4 mph} or
moreAbove 1.0
1M VSS VSS Vehicle stop 0•Inspect VSS
(See K2–87 VEHICLE
SPEEDOMETER
SENSOR (VSS)
INSPECTION)
•Inspect related harness Vehicle speed at 20
km/h {12.4 mph} or
moreAbove 1.0
1N Input/turbine speed
sensorInput/turbine speed
sensorVehicle stop 0•Inspect Input/turbine
speed sensor
(See K2–85 INPUT/
TURBINE SPEED
SENSOR INSPECTION)
•Inspect related harness Vehicle speed at 20
km/h {12.4 mph} or
moreAbove 1.0
AMJ5814W078

K2–92
AUTOMATIC TRANSAXLE
1P Back-up power
supplyBattery Constant B+•Inspect battery
(See G–6 BATTERY
INSPECTION)
•Inspect related harness
1Q———— —
1S Down switch Down switch Down shift at M
range0•Inspect selector lever
component
(See K2–117
SELECTOR LEVER
COMPONENT
INSPECTION) Other B+
1T TR switch
(N position)TR switch N position B+•Inspect TR switch
(See K2–80
TRANSAXLE RANGE
(TR) SWITCH
INSPECTION)
•Inspect related harness Other positions, all
ranges0
1U Brake switch Brake switch Brake pedal
depressedB+•Inspect Brake switch
(See Section P.)
•Inspect related harness
Brake pedal
released0
1V VSS
(GND)VSS Constant Below 1.0•Inspect related harness
1W TR switch
(R range)TR switch R range B+•Inspect TR switch
(See K2–80
TRANSAXLE RANGE
(TR) SWITCH
INSPECTION)
•Inspect related harness Other ranges, all
positions0
1X Intermediate sensor
(GND)Intermediate sensor Constant Below 1.0•Inspect Intermediate
sensor
(See K2–86
INTERMEDIATE
SENSOR INSPECTION)
•Inspect related harness
1Y GND GND Constant Below 1.0•Inspect related harness
1Z TR switch
(D range)TR switch D range B+•Inspect TR switch
(See K2–80
TRANSAXLE RANGE
(TR) SWITCH
INSPECTION)
•Inspect related harness Other ranges, all
positions0
1AA M range switch M range switch M range 0•Inspect selector lever
component
(See K2–117
SELECTOR LEVER
COMPONENT
INSPECTION) Other B+
2A———— —
2B TR switch
(P position)TR switch P position B+•Inspect TR switch
(See K2–80
TRANSAXLE RANGE
(TR) SWITCH
INSPECTION)
•Inspect related harness Other positions, all
ranges0
2C Up switch Up switch Up shift at M range 0•Inspect selector lever
component
(See K2–117
SELECTOR LEVER
COMPONENT
INSPECTION) Other B+
2D Neutral shift
solenoid valveNeutral shift
solenoid valveN position 0•Inspect neutral shift
solenoid valve
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness R position B+ Terminal Signal Connected to Test Condition Voltage (V) Action

AUTOMATIC TRANSAXLE
K2–93
K2
2E———— —
2F Input/turbine speed
sensor
(GND)Input/turbine speed
sensorConstant 0•Inspect Input/turbine
speed sensor
(See K2–85 INPUT/
TURBINE SPEED
SENSOR INSPECTION)
•Inspect related harness
2G Reduction timing
solenoid valveReduction timing
solenoid valveN position 0•Inspect reduction timing
solenoid valve
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D range B+
2H———— —
2I———— —
2J CAN L PCM Because this
terminal is for serial
communication,
good/no good
judgment by
terminal voltage is
not possible. Carry
out inspection
according to DTCs.—•Inspect related harness
2K———— —
2M CAN H PCM Because this
terminal is for serial
communication,
good/no good
judgment by
terminal voltage is
not possible. Carry
out inspection
according to DTCs.—•Inspect related harness
2N———— —
2P GND return
(solenoid ground)Solenoid valve Constant Continuity•Inspect related harness
2Q———— —
2S TCC solenoid valve
controlTCC solenoid valve D range TCC ON
(60 km/h {37 mph}
or more)B+•Inspect TCC solenoid
valve
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness TCC released (M
range, 1GR—4GR)0
2T Shift solenoid B
controlShift solenoid B N position B+•Inspect shift solenoid B
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D range, 4GR gear 0
2U High clutch
solenoid valveHigh clutch
solenoid valveN position 0•Inspect high clutch duty
solenoid valve
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness When shifting 1-2 in
D rangeB+
2V 2-4 Brake solenoid
valve2-4 Brake duty
solenoid valveN position B+•Inspect 2-4 Brake
solenoid valve
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D position stall 0
2W Shift solenoid A Shift solenoid A N position B+•Inspect shift solenoid A
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D range, 3GR gear 0
2X Shift solenoid C
controlShift solenoid C N position B+•Inspect shift solenoid C
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D range 0 Terminal Signal Connected to Test Condition Voltage (V) Action

K2–94
AUTOMATIC TRANSAXLE
Inspection Using An Oscilloscope (Reference)
Input/turbine speed sensor signal
•TCM terminal: 1N (+)—2F (–)
•Oscilloscope setting: 1 V/DIV (Y) 1 ms/DIV (X)
•Measuring condition: Turbine speed at 700 rpm,
N position
Intermediate sensor signal
•TCM terminal: 1K (+)—1X (–)
•Oscilloscope setting: 4 V/DIV (Y) 0.2 ms/DIV (X)
•Measuring condition: Vehicle speed at 40 km/h
{25 mph}, 4GR
Vehicle speedometer sensor signal
•TCM terminal: 1M (+)—1V (–)
•Oscilloscope setting: 4 V/DIV (Y) 1 ms/DIV (X)
•Measuring condition: Vehicle speed at 40 km/h
{25 mph}
2Y Pressure control
solenoid controlPressure control
solenoidN position B+•Inspect pressure control
solenoid
(See K2–88 SOLENOID
VALVE INSPECTION)
•Inspect related harness D position stall 0
2Z Power supply Main relay Ignition switch ON B+•Inspect main relay
(See T–19 Relay Type)
•Inspect related harness Ignition switch OFF 0
2AA Power supply Main relay Ignition switch ON B+•Inspect main relay
(See T–19 Relay Type)
•Inspect related harness Ignition switch OFF 0 Terminal Signal Connected to Test Condition Voltage (V) Action
AMU0517W045
AMU0517W046
AMU0517W047

AUTOMATIC TRANSAXLE
K2–95
K2
Pressure control solenoid signal
•TCM terminal: 2Y (+)—2P (–)
•Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
•Measuring condition: Idle after warm-up
2-4 brake solenoid valve signal
•TCM terminal: 2V (+)—2P (–)
•Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
•Measuring condition: Idle after warm-up
High clutch solenoid valve signal
•TCM terminal: 2U (+)—2P (–)
•Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
•Measuring condition: Idle after warm-up
TCC solenoid valve signal (lock up off)
•TCM terminal: 2S (+)—2P (–)
•Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
•Measuring condition: Idle after warm-up
AMU0517W060
AMU0517W060
AMU0517W060
AMU0517W058

K2–96
AUTOMATIC TRANSAXLE
TCC solenoid valve signal (lock up on)
•TCM terminal: 2S (+)—2P (–)
•Oscilloscope setting: 5 V/DIV (Y) 5 ms/DIV (X)
•Measuring condition: Drive the vehicle with lock
up
End Of SieTCM REMOVAL/INSTALLATIONA6E5714189012121. Disconnect the negative battery cable.
2. For R.H.D., perform the following procedures.
(1) Remove the front side trim (left-side).
(2) Partially peel back the flower covering.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
U.K. specs.
.
AMU0517W059
2
1
3
SET BOLT
7.8—10.8
{80—110 kgf·cm,
69.5—95.4 in·lbf}
SET NUT
A6E5714W123
1 Control unit bracket
2 TCM connector3TCM

AUTOMATIC TRANSAXLE
K2–97
K2
European (L.H.D.) specs.
.
Set Nut/bolt Removal Note
1. Using a chisel and hammer, cut a groove on the head of the set nut/bolt so that a screwdriver can be inserted.
2. Loose the set nut/bolt using an impact
screwdriver or pliers.
Set Nut/bolt Installation Note
1. Install a new set nut/bolt and tighten it until the
neck of the nut/bolt is cut.
2
4
7.8—10.8 N·m
{80—110 kgf·cm,
69.5—95.4 in·lbf} 7.8—10.8 N·m
{80—110 kgf·cm,
69.5—95.4 in·lbf}
2
1
A6E5714W124
1 4WD control module connector
2 TCM connector3 4WD control module
4TCM
CHISELCHISEL SET NUT/BOLT
SET NUT/BOLT
A6E3940W003
SET NUT/BOLT
CUT
A6E3940W004