2003 FORD MUSTANG window

PINPOINT TEST G: A SINGLE POWER WINDOW IS INOPERATIVE —
REAR, CONVERTIBLE ONLY z
Is the voltage greater than 10 volts? For convertible, GO to
F16
. For coupe, REPAIR
the circuit. TEST the
system for normal
operation. F16 CHECK CIRCUIT 194 (PK) FOR AN OPEN
z
Key in OFF position.
z Disconnect: Driver Window Regulator Control Switch C537.
z Measure the resistance between driver window regulator
control switch C537 pin 16, circuit 194 (PK), harness side and
passenger window regulator control switch C629 pin 8, circuit
194 (PK), harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new driver
window regulator control
switch. REFER to
Switch
— Window
Regulator Control in this
section. TEST the system
for normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation. Test Step Result / Action to
Take G1 CHECK CIRCUIT 316 (YE/LB) OR 319 (YE/BK) FOR GROUND
z
Disconnect: Rear Window Regulator Motor C3118 LH or C3119 RH.
z Measure the resistance between left rear window regulator motor
C3118, circuit 316 (YE/LB), harness side and ground; or between
right rear window regulator motor C3119, circuit 319 (YE/BK),
harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
G3 .
No
GO to G2 . Klj . 23 ba
322003 Mustang Workshop Manual
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G2 CHECK CIRCUIT 316 (YE/LB) OR 319 (YE/BK) FOR AN OPEN
z
Disconnect: Driver Window Regulator Control Switch C537.
z Measure the resistance between left rear window regulator motor
C3118, circuit 316 (YE/LB), harness side and driver window
regulator control switch C537 pin 12, circuit 316 (YE/LB), harness
side; or between right rear window regulator motor C3119, circuit
319 (YE/BK), harness side and driver window regulator control
switch C537 pin 13, circuit 319 (YE/BK), harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new
driver window
regulator control
switch. REFER to
Switch
— Window
Regulator Control in
this section. TEST
the system for
normal operation.
No
REPAIR the circuit.
TEST the system
for normal
operation. G3 CHECK CIRCUIT 317 (GY/OG) OR 320 (RD/BK) FOR GROUND
z
Measure the resistance between left rear window regulator motor
C3118, circuit 317 (GY/OG), harness side and ground; or between
right rear window regulator motor C3119, circuit 320 (RD/BK),
harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
G5 .
No
GO to G4 .
G4 CHECK CIRCUIT 317 (GY/OG) OR 320 (RD/BK) FOR AN OPEN
z
Disconnect: Driver Window Regulator Control Switch C537.
z Measure the resistance between left rear window regulator motor
C3118, circuit 317 (GY/OG), harness side and driver window
regulator control switch C537 pin 10, circuit 317 (GY/OG), harness
side; or between right rear window regulator motor C3119, circuit
320 (RD/BK), harness side and driver window regulator control
switch C537 pin 11, circuit 320 (RD/BK), harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new
driver window
regulator control
switch. REFER to
Switch
— Window
Regulator Control in
this section. TEST
the system for
normal operation.
No
REPAIR the circuit.
TEST the system
for normal
operation. Klj . 24 ba
322003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...

PINPOINT TEST H: THE DEFROST SYSTEM IS INOPERATIVE G5 CHECK DRIVER WINDOW REGULATOR CONTROL SWITCH
z
Disconnect: Driver Window Regulator Control Switch C537.
z Carry out the driver window regulator control switch component test.
REFER to Wiring Diagrams Cell 149, Component Testing.
z Is the driver window regulator control switch OK? Yes
INSTALL a new
rear window
regulator motor.
REFER to
Motor —
Window Regulator,
Quarter in this
section. TEST the
system for normal
operation.
No
INSTALL a new
driver window
regulator control
switch. REFER to
Switch — Window
Regulator Control in
this section. TEST
the system for
normal operation. Test Step Result / Action to Take
H1 CHECK POWER TO INDICATOR LIGHT
z
Key in ON position.
z Depress the rear window defrost switch to ON.
z Is the rear window defrost switch indicator ON? Yes
GO to
H2 .
No
GO to H3 .
H2 CHECK CIRCUIT 186 (BR/LB) FOR AN OPEN
z
Key in OFF position.
z Disconnect: Heated Rear Window Relay.
z Disconnect: Heated Rear Window Grid Power Supply
Connector C402a.
z Measure the resistance between heated rear window relay,
circuit 186 (BN/LB), harness side and heated rear window
grid C402a, circuit 186 (BN/LB), harness side.
z Is the resistance less than 5 ohms? Yes
GO to
H7 .
No
REPAIR the circuit. TEST
the system for normal
operation. H3 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS)
z
Refer to the results from the previous instrument cluster
module (ICM) self- test.
z Was DTC B1343 retrieved? Yes
GO to
H4 . Klj . 25 ba
322003 Mustang Workshop Manual
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No
GO to
H6 .
H4 CHECK CIRCUIT 175 (BK/YE)
z
Disconnect: ICM C220a.
z Key in ON position.
z Measure the voltage between ICM C220a pin 9, circuit 175
(BK/YE), harness side and ground.
z Is the voltage greater than 10 volts? Yes
GO to
H5 .
No
GO to H16 .
H5 CHECK CIRCUIT 175 (BK/YE) FOR A SHORT TO POWER
z
Disconnect: Rear Window Defrost Switch C241.
z Measure the voltage between rear window defrost switch
C241 pin 2, circuit 175 (BK/YE), harness side and ground.
z Is the voltage greater than 10 volts? Yes
REPAIR the circuit.
CLEAR the DTCs.
REPEAT the self-
test.
No
INSTALL a new rear
window defrost switch.
REFER to Rear Window Defrost Switch in this
section. TEST the system
for normal operation. H6 CHECK THE REAR HEATED WINDOW GRID POWER
z
Disconnect: Heated Rear Window Grid Power Supply
Connector C402a.
z Key in ON position.
z Depress the rear window defrost switch to ON.
z Measure the voltage between heated rear window grid
C402a circuit 186 (BN/LB), harness side and ground.
z Is the voltage greater than 10 volts? Yes
GO to
H7 .
No
GO to H8 .
H7 CHECK THE REAR WINDOW GROUND
z
Key in OFF position. Yes Klj . 26 ba
322003 Mustang Workshop Manual
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z
Disconnect: Heated Rear Window Grid Ground Connector
C402b.
z Measure the resistance between heated rear window grid
C402b, circuit 1205 (BK), harness side and ground.
z Is the resistance less than 5 ohms? CARRY OUT the heated
rear window grid wire test.
REFER to Grid Wire Test
in Component Tests in this
section. TEST the system
for normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation.
H8 CHECK CIRCUIT 727 (YE/BK)
z
Disconnect: Heated Rear Window Relay.
z Depress the rear window defrost switch to ON.
z Measure the resistance between heated rear window relay
pin 85, circuit 727 (YE/BK), harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
H9 .
No
GO to H11 .
H9 CHECK CIRCUIT 185 (BK) FOR POWER
z
Measure the voltage between heated rear window relay pin
86 and pin 30, circuit 185 (BK), harness side and ground.
z Are the voltages greater than 10 volts? Yes
GO to
H10 .
No
REPAIR the supply circuit.
TEST the system for
normal operation. H10 CHECK CIRCUIT 186 (BR/LB) FOR AN OPEN
z
Using a fused jumper wire (15A), jumper across the heated
rear window relay pin 30, circuit 185 (BK), harness side and
the heated rear window relay pin 87, circuit 186 (BR/LB),
harness side. Yes
INSTALL a new heated
rear window relay. TEST
the system for normal
operation.
No
REPAIR circuit 186 Klj . 27 ba
322003 Mustang Workshop Manual
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z
Is the rear window defrost switch indicator ON? (BR/LB). TEST the system
for normal operation.
H11 CHECK ICM OUTPUT
z
Trigger the ICM active command R DEFRLY to ON.
z Measure the resistance between the heated rear window
relay pin 85, circuit 727 (YE/BK), harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
H13 .
No
GO to H12 .
H12 CHECK CIRCUIT 727 (YE/BK) FOR AN OPEN
z
Key in OFF position.
z Measure the resistance between ICM C220a pin 10, circuit
727 (YE/BK), harness side and the heated rear window relay
pin 85, circuit 727 (YE/BK) , harness side.
z Is the resistance less than 5 ohms? Yes
GO to
H16 .
No
REPAIR the circuit. TEST
the system for normal
operation. H13 CHECK POWER TO REAR WINDOW DEFROST SWITCH
z
Disconnect: Rear Window Defrost Switch C241.
z Key in ON position.
z Measure the voltage between the rear window defrost switch
C241 pin 1, circuit 883 (PK/LB), harness side and ground. Yes
GO to
H14 .
No
REPAIR the supply circuit.
TEST the system for
normal operation. Klj . 28 ba
322003 Mustang Workshop Manual
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z
Is the voltage greater than 10 volts? H14 CHECK INPUT TO THE ICM
z
Connect: Rear Window Defrost Switch C241.
z Depress the rear window defrost switch to ON.
z Measure the voltage between ICM C220a pin 9, circuit 175
(BK/YE), harness side and ground.
z Is the voltage greater than 10 volts? Yes
GO to
H16 .
No
GO to H15 .
H15 CHECK CIRCUIT 175 (BK/YE) FOR AN OPEN
z
Key in OFF position.
z Measure the resistance between ICM C220a pin 9, circuit
175 (BK/YE), harness side and the rear window defrost
switch C241 pin 2, circuit 175 (BK/YE) , harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new rear
window defrost switch.
REFER to
Rear Window Defrost Switch in this
section. TEST the system
for normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation. H16 CHECK THE ICM FOR CORRECT OPERATION
z
Disconnect all ICM connectors.
z Check for:
zcorrosion
z pushed- out pins
z Connect all ICM connectors and make sure they seat
correctly.
z Operate the system and verify the concern is still present.
z Is the concern still present? Yes
INSTALL a new ICM.
REFER to
Section 413 - 01 .
CLEAR the DTCs.
REPEAT the self- test.
No
The system is operating
correctly at this time.
Concern may have been Klj . 29 ba
322003 Mustang Workshop Manual
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PINPOINT TEST I: THE DEFROST SYSTEM WILL NOT SHUT OFF
AUTOMATICALLY caused by a loose or
corroded connector.
CLEAR the DTCs.
REPEAT the self-
test. Test Step Result / Action to Take
I1 CHECK CIRCUIT 727 (YE/BK)
z
Disconnect: Heated Rear Window Relay.
z Key in ON position.
z Depress the rear window defroster switch to OFF.
z Measure the resistance between heated rear window
relay pin 85, circuit 727 (YE/BK) , harness side and
ground.
z Is the resistance greater than 10,000 ohms? Yes
GO to
I3 .
No
GO to I2 .
I2 CHECK CIRCUIT 727 (YE/BK) FOR A SHORT TO
GROUND z
Key in OFF position.
z Measure the resistance between instrument cluster
module (ICM) C220a pin 10, circuit 727 (YE/BK) ,
harness side and ground.
z Is the resistance greater than 10,000 ohms? Yes
GO to
I4 .
No
REPAIR the circuit. TEST the
system for normal operation. I3 CHECK CIRCUIT 186 (BN/LB) FOR A SHORT TO POWER
z
Disconnect: Heated Rear Window Grid Power Supply
Connector C402a.
z Measure the voltage between heated rear window grid
C402a circuit 186 (BN/LB), harness side and ground. Yes
REPAIR the circuit. TEST the
system for normal operation.
No
INSTALL a new heated rear
window relay. TEST the
system for normal operation. Klj . 30 ba
322003 Mustang Workshop Manual
18. 11. 2011file:///C:/Ford/2000 - 2004/tsocache/SHEF_5108/S3B~us~en~ ...