2002 MAZDA 6 lock

AUTOMATIC TRANSAXLE
K2–63
K2
Determination of Torque Converter Clutch (TCC) Cancellation
The TCC control is canceled when any of the following condition are met:
•Engine coolant temperature is low.
•ATF temperature is low.
•Brake switch is on (when depressing the brake pedal).
•Accelerator depressing speed and accelerator opening angle are above the set value.
•Engine speed signal is below the set value.
•Failure is in the TCC control system detected by diagnosis function.
End Of Sie
SLOPE MODE CONTROL DESCRIPTIONA6E571418901209•Climbing and the appropriate gear is determined by engine load and the vehicle acceleration.
Slope Mode Control Block Diagram
.
When climbing hill
•When the hill is steeper than a certain grade, unnecessary up shift is prevented by holding an appropriate gear.
End Of Sie
2C 2B
2J
2M1AA 1S 1T 1Z1W 1B 1F
2W
1M 1V2T
2X
PN
RD
M
9
8
7
543
1
2
10
18
17
15
16
14
13
11
12
6
A6E5714W022
1Starter
2 TR switch
3 Down switch
4 Up switch
5 M range switch
6 TFT sensor
7PCM
8CAN
9 Input10 Throttle position signal
Engine speed signal
Engine torque signal
11 TCM
12 Throttle opening angle
13 Shift diagram
14 Vehicle speed
15 VSS
16 Shift solenoid A
17 Shift solenoid B
18 Shift solenoid C

K2–64
AUTOMATIC TRANSAXLE
ON-BOARD DIAGNOSTIC (OBD) SYSTEM DESCRIPTIONA6E571418901210•The OBD system has the following functions:
—Failure detection function: detects failure of the input/output devices and system components of the ATX.
—Memory function: stores the DTC when a failure is detected.
—Fail-safe function: fixes the output device function and input value of the sensors/switches to ensure
minimum vehicle drivability 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.
Block Diagram
.
Failure Detection Function
•In the failure detection function, the TCM detects malfunctions in the automatic transaxle while driving.
•When vehicle driving conditions correspond with a preset failure detection condition, the TCM determines that
the automatic transaxle has a malfunction and stores the corresponding DTC.
•When a malfunction is detected, stored DTCs can be retrieved using the WDS connected to the DLC-2.
9
87
5
4
3
1
2
10
17
15
1614
13
1112
6
A6E5714W023
1TCM
2 OBD system
3 Memory function
4 Failure indication function
5 Serial communication
6 Failure detection function
7 PID data monitoring function
8 Simulation function
9 Fail-safe function10 Transaxle control system
11 Input devices
12 Output devices
13 Instrument cluster
14 PCM
15 AT warning light
16 DLC-2
17 WDS or equivalent

AUTOMATIC TRANSAXLE
K2–65
K2
Memory Function
•The memory function stores failure information detected in the failure detection function. Once failure
information is stored, the memory will not be cleared even when the ignition switch is turned off (LOCK
position) or the malfunction is repaired.
•The stored memory (failure information) can be cleared by using the WDS or disconnecting the negative
battery cable.
Failure Indication Function
•The failure indication function illuminates the AT warning lights when the failure detection function determines
there is a malfunction.
DTC Table
X : Available
CCM:Continuous monitor
Fail-safe Function
•In the fail-safe function, minimum vehicle drivability is obtained by changing the signals that are determined as
malfunctions by the failure detection function to the preset values, and limiting the TCM control.
DTC No. On-board diagnostic function MILAT warning
light
indicationDCMonitor
itemMemory
function
P0705 TR switch circuit malfunction (Power short circuit) X X 2 CCM X
P0706 TR switch circuit malfunction (Open/ground short circuit) X X 2 CCM X
P0711 TFT sensor malfunction (Stuck) X–2 CCM X
P0712 TFT sensor circuit malfunction (Short circuit) X X 2 CCM X
P0713 TFT sensor circuit malfunction (Open circuit) X X 2 CCM X
P0715 Input/turbine speed sensor circuit malfunction X X 2 CCM X
P0720 Vehicle speedometer sensor circuit malfunction X X 2 CCM X
P0740 TCC system X–2 CCM X
P0743 TCC solenoid valve malfunction (Open/short) X X 1 CCM X
P0748 Pressure control solenoid malfunction (Open/short)–X–CCM X
P0751 Shift solenoid A malfunction (Stuck off) X–2 CCM X
P0752 Shift solenoid A malfunction (Stuck on) X–2 CCM X
P0753 Shift solenoid A malfunction (Open/short) X X 1 CCM X
P0756 Shift solenoid B malfunction (Stuck off) X–2 CCM X
P0757 Shift solenoid B malfunction (Stuck on) X–2 CCM X
P0758 Shift solenoid B malfunction (Open/short) X X 1 CCM X
P0761 Shift solenoid C malfunction (Stuck off) X–2 CCM X
P0762 Shift solenoid C malfunction (Stuck on) X–2 CCM X
P0763 Shift solenoid C malfunction (Open/short) X X 1 CCM X
P0768 Reduction timing solenoid malfunction (Open/short)–X–CCM X
P0773 Neutral shift solenoid malfunction (Open/short)–X–CCM X
P0778 2-4 brake solenoid malfunction (Open/short)–X–CCM X
P0791 Intermediate sensor malfunction (Open/short) X X 2 CCM X
P0798 High clutch solenoid malfunction (Open/short)–X–CCM X
P1710 GND return malfunction–––Other X
U0073 CAN BUS OFF X X 1 CCM X
U0100 TCM cannot receive any signals from PCM X X 1 CCM X
DTC
No.On-board diagnostic function Detection condition Fail-safe TCC
P0705Transaxle range (TR) switch
circuit malfunction (power short
circuit)•Two or more range signals
are inputted from TR switch
for 5 seconds or more•TR switch priority
D > N > P > R
•Inhibits feedback control,
SLOPE mode, torque
reduction controlAvailable
P0706Transaxle range (TR) switch
circuit malfunction (open/ground
short circuit)•No range signal is inputted
from TR switch for 100
seconds or more•Inhibits feedback control,
SLOPE mode, torque
reduction controlAvailable

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
K2–111
K2
3. Pivot the screwdriver to pry the tab away from the
tank and repeat the procedure for each tab.
4. Remove the radiator outer tank and O-ring
(gasket) from the core header when all of the tabs
are opened.
Note
•If any header tabs are missing from the core,
replace the radiator.
5. Inspect the gasket surface of the radiator core
header to ensure it is clean and free of foreign
material or damage.
6. Inspect the radiator outer tank for warping. If it is
warped, replace radiator tank.
Radiator Outer Tank (In Tank Oil Cooler) Installation Note
1. Install a new O-ring and ensure it is not twisted.
Note
•The old O-ring must be replaced.
2. Position the radiator tank in the original direction
to the core using care not to scratch the tank
sealing surface with the header tabs.
Note
•Step 3 will set jaw opening to the correct
specification.
3. With the jaws of locking-type pliers (vise grips)
closed and locked, turn the adjusting screw to
position the jaws against the drill bit with the
diameter measured (height) in removal procedure
1. Tighten the lock nut on the adjusting screw
against the handle to lock the adjustment in place.
SCREWDRIVER
A6E5614W074
O-RING
A6E5614W075
LOCKING TYPE PLIERS
(VISE PLIERS)
LOCKNUTADJUSTING
SCREW
DRILL BIT
A6E5614W093

K2–112
AUTOMATIC TRANSAXLE
4. Squeeze the header tabs down in order as shown
against the lip of radiator outer tank base with
locking-type pliers while rotating the pliers toward
the tank.
5. Verify the height of the header tabs is same as
the height before removal.
6. Inspect for leakage from radiator. (See E–8
ENGINE COOLANT LEAKAGE INSPECTION.)
End Of SieDRIVE PLATE REMOVAL/INSTALLATIONA6E5714190202011. Remove the transaxle.(See K2–99 AUTOMATIC TRANSAXLE AND TRANSFER REMOVAL/INSTALLATION.)
2. Remove in the order indicated in the figure.
3. Install in the reverse order of removal.
.
8
7
5
43
6
1
2
LOCKING TYPE
PLIERSRADIATOR LOWER
TANK
A6E5614W076
RADIATOR
LOWER
TANK
HEADER TAB
HEIGHT
O-RING
A6E5614W073
1 Drive plate mounting bolts
(See K2–113 Drive Plate Mounting Bolts Removal
Note.)
2 Adapter
3 Drive plate
(See K2–113 Drive Plate Installation Note.)
N·m {kgf·m, ft·lbf} 108—116
{11.0—11.8, 80—85}
SST
3
1
2
A6E5614W078

K2–118
AUTOMATIC TRANSAXLE SHIFT MECHANISM
SELECTOR CABLE ADJUSTMENTA6E5716465002011. Remove the center console.
2. Shift the selector lever to P position.
3. Unlock the lock piece of the selector cable
(selector lever side) in the order shown in the
figure.
4. Verify that the manual shaft is in P position.
5. Lock the lock piece of the selector cable (selector
lever side) in the order shown in the figure.
6. Install the center console.
7. Shift the selector lever from P position to M range,
and make sure that there are no other
components in that area to interfere with the lever.
End Of Sie
1
2
SAFETY
LOCK
LOCK PIECE
A6E5716W102
2
1
SAFETY
LOCK
LOCK PIECE
A6E5716W103