2007 FORD FIESTA Electrical

303-06-4 Starting System 303-06-4
DIAGNOSIS AND TESTING
Starting System
Refer to Wiring Diagrams Section 303-06, for
schematic and connector information.
General Eaui~ment
I Worldwide Diagnostic System (WDS) I
Electrical
Electrical connector(s)
Relay
Central junction box (CJB)
Switch(es)
Battery
Starter motor
Powertrain Control Module (PCM)
lnspection and Verification
I. Verify the customer concern.
2. Visually inspect for obvious signs of electrical
damage.
Visual lnspection Chart
Symptom Chart
Electrical
Fuse(s)
Wiring harness
Symptom
The engine does not crank/the
relay does click 3.
If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, verify the
The engine does not crank/the
relay does not click symptom
and refer to the Symptom Chart.
Possible Sources Action
Battery. REFER to: Charging System
(414-00 Charging System
-
General Information,
Diagnosis and Testing).
1
Starter motor. CARRY OUT the starter motor
I Component Test using WDS.
Relay. CARRY OUT the relay
Component Test. REFER to
the wiring diagrams.
I Circuit(s). I GO to Pinpoint Test A. I
I PCM. I REFER to WDS. I
Battery. REFER to: Charging System
(414-00 Charging System -
General Information,
Diagnosis and Testing).
Fuse. INSTALL a new fuse as
necessary. If the fuse fails
again check for short to ground.
Passive anti-theft system
(PATS). REFER to: Anti-Theft - Passive
(41 9-01 Anti-Theft
- Passive,
Diagnosis and Testing).
I
Starter motor. CARRY OUT the starter motor(
I Component Test using WDS.
I Ignition switch. I GO to Pinpoint Test B. I
2006.0 Fiesta la2006 GI 51 301 en
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303-06-6 Starting System 303-06-6
DIAGNOSIS AND TESTING
Symptom Possible Sources Action
Pinpoint Tests
The starter stops cranking the
engine before the engine starts
N0TE:Use a digital multimeter for all electrical
measurements.
PINPOINT TEST A
: THE ENGINE DOES NOT CRANKITHE REWY DOES CLICK
PCM.
TEST CONDITIONS
DETAILSIRESU LTSIACTIONS
I A1 : CHECK VOLTAGE TO STARTER SOLENOID I
I I Ignition switch in position Ill. I
Measure the voltage between starter motor
terminal 50, harness side and ground.
Is the voltage greater than I0 volts?
+ Yes
GO to
A2.
+ No
GO to A3.
1~2: CHECK THE VOLTAGE DROP I
Measure the voltage between starter motor
terminal 30, component side and the battery
positive
terminal.
Is the voltage less than 0.5 volts?
+ Yes
GO to A4.
+ No
CLEAN and TIGHTEN
all battery positive
cable connections. TEST the system for
normal operation. If the concern persists,
INSTALL a new battery starter motor
solenoic
cable.
REFER to: Battery to Starter Motor Solenoid
Cable - 1.3L Duratec-8V (Rocam) (41 4-0 1
Battery, Mounting and
Cables, Removal and
Installation)
I Battery to Starter Motor Solenoid Cable -
1.25L Duratec-I 6V (Sigma)ll.4L Duratec-
1
6V (Sigma)ll .6L Duratec-1 6V (Sigma)
(414-01 Battery, Mounting and
Cables,
Removal and Installation).
TEST the system for normal operation.
2006.0 Fiesta 1212006 GI 51 301 en
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303-06-1 2 Starting System 303-06-1 2
REMOVAL AND INSTALLATION
Starter Motor - 2.OL Duratec-HE (M14)
/'
I. Disconnect the battery ground cable. 2. Raise and support the vehicle. (.. . ,,
For additional information, refer to: Battery For additional
information, refer to: Lifting
Disconnect
(414-01 Battery, Mounting and (1 00-02 Jacking and Lifting, Description
Cables, General Procedures). and
Operation).
3. Remove the components in the order
indicated in the following
illustration(s) and
table(s).
2006.0 Fiesta 1212006 G421390en
Item Description Item Description I I I 1 Starter motor electrical connectors
See Removal Detail
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303-06-1 3 Starting System 303-06-1 3
REMOVAL AND INSTALLATION
Item Description Item Description
I I 4. To install, reverse the removal procedure.
I See Installation Detail
2
Removal Details
1 3 1 Starter motor
Item 1 starter motor electrical connectors Item 3 Starter motor
Starter motor wiring harness support
bracket
1. Disconnect the ignition switch and battery 1. Discard the starter motor gasket.
to starter motor solenoid cables.
See Removal Detail
See Installation Detail
Installation Details
Item 1 Starter motor electrical connectors Item 3 Starter motor
1. N0TE:Clean the electrical connectors before 1. N0TE:Clean the mating surfaces before
connecting the cables. Failure to follow this
installing the new starter motor
gasket. - - instruction may cause a high resistance
between the electrical connectors and the Install
a new starter motor gasket into the
starter motor solenoid. transaxle
housing prior to installing the
starter motor.
Connect the ignition switch and battery to
starter motor solenoid cables.
2006.0 Fiesta 1212006 G421390en
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303-07A-3 Engine Ignition 303-07A-3
DIAGNOSIS AND TESTING
Engine lgnition
lnspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical
or electrical damage.
Visual Inspection Chart
I Mechanical I Electrical I
3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
- Spark plug wire(s)
- Spark plug(s)
- Ignition coil pack
4. If the concern remains after visual inspection,
use WDS to diagnose the system.
- Wiring harness
- Electrical
connector(s)
2006.0 Fiesta 1212006 G28729en
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Engine lgnition - 2.OL Duratec-HE (M14)
DIAGNOSIS AND TESTING
Engine lgnition
General Equipment
I Worldwide Diagnostic System (WDS) I
lnspection and Verification
I. Verify the customer concern.
2. Visually inspect for obvious signs of electrical
damage.
Symptom Chart
Visual lnspection Chart
Symptom Chart Symptom
I Electrical I
( I
Wiring harness
Electrical
connector(s)
Spark plug(s)
Spark plug wire(s)
lgnition coil pack
Powertrain control module (PCM)
Engine misfire
3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the cause is not visually evident, verify the
symptom and refer to the Symptom Chart.
Possible Sources Action
Spark plug(s).
Spark plug wire(s).
CARRY OUT a KV test using
I WDS.
lgnition coil pack.
PCM.
PCM calibration.
REFER to WDS.
Engine stumbling Spark plug(s).
Spark plug wire(s).
CARRY
OUT a KV test using
I WDS.
lgnition coil pack.
PCM.
PCM calibration.
REFER to WDS.
Engine lacks power Spark
plug(s).
spark plug wire(s).
CARRY
OUT a KV test using
I WDS.
nlgniibn coil pack. I REFER to WDS. I
2006.0 Fiesta IZIZOO~ GI 7859en
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Engine Emission Control - 2.OL Duratec-HE
303-08B-6
(MI41 303-08B-6
DIAGNOSIS AND TESTING
Engine Emission Control
lnspection and Verification
General Equipment Visual Inspection Chart L..
I. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical
or electrical damage.
Worldwide Diagnostic System
(WDS)
- Hose(s)/hose joints
- Gasket(s)
- Positive crankcase
ventilation (PCV)
valve
- PCV separator
Mechanical
- Exhaust gas recircu-
lation (EGR) valve
Electrical
- Electrical
con
nector(s)
- Wiring harness
- Fuse(s)
- Relay
- EGRvalve
- Powertain control
module (PCM)
3. If an obvious cause for an observed or reported
concern is found, correct the cause (if possible)
before proceeding to the next step.
4. If the concern is not visually evident, verify the
symptom and refer to the Symptom Chart.
Symptom Chart
Symptom Chart
Symptom Possible Sources Action
I
Poor engine performance EGR valve.
Using WDS, CHECK the EGR
Valve Duty Cycle input signal
I to the EGR vacuum regulator
valve. If the result is 0%,
REMOVE the EGR valve.
REFER to Exhaust Gas Recir-
culation (EGR) Valve
- in this
section.
INSPECT the EGR valve and
valve seat for damage. Make
sure that the EGR valve is in
the closed position. If the EGR
valve is not closed. INSTALL
a
new EGR valve. TEST the
system for normal operation. If
the result is not 0% continue
the engine diagnostic using
WDS.
2006.0 Fiesta 1212006 G334290en
Excessive crankcase pressure Blocked or damaged PCV
hose(s).
Blocked crankcase vent oil
separator. CHECK
the PCV system
components for blockages, CLEAN or INSTALL new
components as necessary.
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Engine Emission Control - 2.OL Duratec-HE
(MI41
REMOVAL AND INSTALLATION
I
' Item Description
I 1 I EGR valve electrical connector I
I * 1
EGR valve coolant hose
See Removal Detail
6. To install, reverse the removal procedure.
2006.0 Fiesta 1212006 G421887en
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