Page 951 of 1226
303-1 4-27 Electronic Engine Controls 303-1 4-27
REMOVAL AND INSTALLATION
Powertrain Control Module (PCM) - 2.OL Duratec-HE (M14),
Vehicles Without: PCM Security Shield
N0TE:lf a new PCM is being installed connect 2. Disconnect the ambient air temperature
WDS. Upload the PCM configuration information sensor electrical connector and detach the
using the programmable modules installation wiring harness from the retaining clip.
routine prior to commencing the removal of the
PCM.
1. Disconnect the battery ground cable.
For additional information, refer to: Battery
Disconnect
(414-01 Battery, Mounting and
Cables, General Procedures).
3. Remove the components in the order
indicated in the following
illustration(s) and
table(s).
2006.0 Fiesta 1212006 G422233en
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Page 954 of 1226
303-1 4-30 Electronic Engine Controls 303-1 4-30
REMOVAL AND INSTALLATION
Heated Oxygen Sensor (H02S)(29 220 0) /
Removal
Special Tool(s) 4. Disconnect the H02S electrical connector. (. .. >k,
1. Remove the air cleaner. For additional
information, refer to Section 303-1 2 [Intake
Air Distribution and Filtering].
5. Remove the exhaust manifold heat shield.
2. Disconnect the ignition coil pack electrical
connector.
23050
3. Detach the ignition coil pack and position it
to one side
Socket, Fuel Injector (22mm)
31 0-063 (23-050)
6. Using the special tool, remove the H02S.
Installation
A CAUTI0N:When installing a new H02S, it
is possible that the new component will be (- supplied with a longer cable than the one ,
removed. It is important that the cable is
routed and secured in such a way that
it
2006.0 Fiesta 1212006 G210054en
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Page 956 of 1226
303-1 4-32 Electronic Engine Controls 303-1 4-32
REMOVAL AND INSTALLATION
Crankshaft Position (CKP) Sensor
General Equipment A~i~hten the M6 x 18 mm bolt finger-tight L,. '
2. Remove the splash shield
I ~olt, ~6 x 18 mm
CKP alignment tool
3. CAUTIONS: only.
Rotate the crankshaft pulley clockwise until
A0nly turn the crankshaft pulley in the
normal direction of rotation. the
crankshaft pulley timing bolt,
M6 x 18
I. Raise and support the vehicle.
mm can be installed through the crankshaft
For additional information, refer to: Lifting pulley
timing hole into the engine front cover.
(1 00-02, Description and Operation).
4. Remove the components in the order
indicated in the following
illustration(s) and
2006.0 Fiesta 1212006 ~423211 en
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Page 957 of 1226
303-1 4-33 Electronic Engine Controls 303-1 4-33
REMOVAL AND INSTALLATION
Item Description Item Description
1 3 1 CKP sensor
I 1 I CKP sensor electrical connector
2
Installation Details
I See Installation Detail
Item 3 CKP sensor 2. Align the CKP sensor with the crankshaft
1. Install the CKP sensor alignment tool to the pulley
sensor ring.
CKP sensor.
CKP sensor retaining bolts
See Installation Detail
2006.0 Fiesta 1212006 ~423211 en
I I J
5. To install, reverse the removal procedure.
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Page 958 of 1226
303-1 4-34 Electronic Engine Controls 303-1 4-34
REMOVAL AND INSTALLATION
Item 2 CKP sensor retaining bolts
I. Install the CKP sensor retaining bolts.
2. Remove the CKP sensor alignment tool.
2006.0 Fiesta iz1~006 ~423211 en
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Page 959 of 1226
303-1 4-35 Electronic Engine Controls 303-1 4-35
REMOVAL AND INSTALLATION
Knock Sensor (KS)
1. Detach the KS electrical connector from the 2, Remove the intake manifold. intake manifold.
For additional information, refer to: Intake
1 Manifold (303-01 Engine - 2.OL Duratec-HE
(M14), Invehicle Repair).
3. Remove the components in the order
indicated in the following
illustration(s) and
table(s).
Item Description Item Description
2 Coolant hose
I I See Removal Detail
1
I I
4. To install, reverse the removal procedure.
KS electrical connector
Removal Details
; I I
See Removal Detail
See Installation Detail
2006.0 Fiesta 1212006 G426587en
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Page 961 of 1226

Automatic Transmission/Transaxle .
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40)
SECTION 307-01 Automatic Transmission/Transaxle
. Vehicles With: 4-Speed Automatic Transmission
(AW81-40)
VEHICLE APPLICATION:2006.0 Fiesta
CONTENTS PAGE
SPECIFICATIONS
Specifications
........................................................................\
.............................................. 307-0 1 -3
DESCRIPTION AND OPERATION
Automatic Transaxle
........................................................................\
...................................
Transmission cross-section ........................................................................\
........................
Torque converter with Torque Converter Clutch (TCC) ......................................................
Fluid pump and stator shaft ........................................................................\
........................
........................................................................\
......... Planetary gearset ......................... .:
Clutches and brakes ........................................................................\
...................................
Intermediate gear stage and differential assembly .............................................................
Main control body ........................................................................\
.......................................
Internal' gearshift mechanism ........................................................................\
.....................
Fluid circuit ........................................................................\
.................................................
........................................................................\
....................................... Identification Tags
Type plate
........................................................................\
...................................................
Transmission Ranges and Power Flow ........................................................................\
......
Transmission ratio and power flow route - 1st gear ............................................................
Transmission ratio and power flow route - 2nd gear ..........................................................
Transmission ratio and power flow route . 3rd gear ...........................................................
Transmission ratio and power flow route . 4th gear ...........................................................
Transmission ratio and power flow route . reverse gear ....................................................
Transaxle Electronic Control System ........................................................................\
..........
........................................................................\
..................................................... Overview
Transmission control unit
........................................................................\
............................
........................................................................\
.................................... Gearshift strategies
Selector lever positions
........................................................................\
..............................
Signal transmission on the CAN databus ........................................................................\
...
........................................................................\
...................................................... Sensors
........................................................................\
.................................................... Actuators
DIAGNOSIS AND TESTING
Automatic Transaxle
........................................................................\
................................... 307-01
Inspection and Verification ........................................................................\
.................... 307-01
Diagnostic Trouble Code Chart
........................................................................\
.................. 307-01
........................................................................\
...................................... Line Pressure Test 307-01
Stall Speed Test
........................................................................\
....................................... 307-01
Time Lag Test
........................................................................\
............................................. 307-01
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Page 962 of 1226

Automatic Transmission/Transaxle -
Vehicles With: 4-Speed Automatic
Transmission
(AW81-40)
GENERAL PROCEDURES /' -
.. Transmission Fluid Level Check.. ........................................................................\
............... 307-01 - k
........................................................................\
............ Transmission Fluid Drain and Refill 307-01 -53
IN-VEHICLE REPAIR
........................................................................\
.............. Transmission Range (TR) Sensor 307-01 -55
Halfshaft Seal LH.. ........................................................................\
...................................... 307-01 -58
Halfshaft Seal RH ........................................................................\
....................................... 307-01 -59
Turbine Shaft Speed (TSS) Sensor ........................................................................\
......... 307-01-60
Vehicle Speed Sensor (VSS).. ........................................................................\
................ 307-01 -61
REMOVAL AND INSTALLATION
Transaxle.. ........................................................................\
.................................................. 307-01 -62
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