AC system FORD MUSTANG 2003 Workshop Manual

position while monitoring PIDs.
z Did the PID values agree with the ignition switch positions? No
REFER to
Section 211 -
05 for ignition switch
diagnosis. E2 CHECK THE DRIVER WINDOW REGULATOR CONTROL
SWITCH INPUT TO THE GEM z
Key in ON position.
z Enter the following diagnostic mode on the diagnostic tool: GEM
PID D_UP_SW and D_DN_SW.
z Actuate the driver window regulator control switch to the UP and
DOWN position.
z Did the PID values agree with the driver window regulator
control switch positions? Yes
GO to
E9 .
No
GO to E3 .
E3 CHECK THE POWER SUPPLY TO THE WINDOW REGULATOR
CONTROL SWITCH z
Disconnect: Driver Window Regulator Control Switch C508.
z Key in ON position.
z Measure the voltage between driver window regulator control
switch C508 pin 10, circuit 400 (LB/BK), harness side and
ground.
z Is the voltage greater than 10 volts? Yes
GO to
E4 .
No
GO to E8 .
E4 CHECK CIRCUIT 1205 (BK) FOR AN OPEN
z
Measure the resistance between driver window regulator control
switch C508 pin 7, circuit 1205 (BK), harness side and ground;
and between driver window regulator control switch C508 pin
12, circuit 1205 (BK), harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
E5 .
No
REPAIR the circuit.
TEST the system for
normal operation. E5 CHECK THE DRIVER WINDOW REGULATOR CONTROL
SWITCH z
Carry out the driver window regulator control switch component
test. Refer to the Wiring Diagrams Cell 149, Component
Testing.
z Did the driver window regulator control switch pass? Yes
GO to
E6 .
No
INSTALL a new driver Klj . 14 ba
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window regulator control
switch. REFER to
Switch
— Window
Regulator Control in this
section. TEST the
system for normal
operation. E6 CHECK CIRCUIT 226 (WH/BK) FOR A SHORT TO BATTERY
z
Key in OFF position.
z Disconnect: GEM C201a.
z Measure the voltage between GEM C201a pin 2, circuit 226
(WH/BK), harness side and ground.
z Key in ON position.
z Measure the voltage between GEM C201a pin 2, circuit 226
(WH/BK), harness side and ground.
z Is either voltage greater than 10 volts? Yes
REPAIR the circuit.
TEST the system for
normal operation.
No
GO to
E7 .
E7 CHECK CIRCUIT 991 (TN/LB) AND 992 (WH/BK) FOR AN
OPEN z
Key in OFF position.
z Disconnect: GEM C201c.
z Measure the resistance between driver window regulator control
switch C508 pin 6, circuit 991 (TN/LB), harness side and GEM
C201a pin 3, circuit 991 (TN/LB), harness side.
z Measure the resistance between driver window regulator control
switch C508 pin 13, circuit 992 (WH/BK), harness side and
GEM C201c pin 14, circuit 992 (WH/BK), harness side. Yes
INSTALL a new GEM.
REFER to
Section 419 -
10 . TEST the system
for normal operation.
No
REPAIR the circuit.
TEST the system for
normal operation. Klj . 15 ba
322003 Mustang Workshop Manual
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z
Are the resistances less than 5 ohms? E8 CHECK CIRCUIT 400 (LB/BK) FOR AN OPEN
z
Key in OFF position.
z Disconnect: CJB Circuit Breaker 43 (20A).
z Measure the resistance between driver window regulator control
switch C508 pin 10, circuit 400 (LB/BK), harness side and CJB
circuit breaker 43 (20A) output pin, circuit 400 (LB/BK).
z Is the resistance less than 5 ohms? Yes
REPAIR the power
supply to CJB circuit
breaker 43 (20A). TEST
the system for normal
operation.
No
REPAIR the circuit.
TEST the system for
normal operation.
E9 CHECK THE GEM CONTROL OF THE DRIVER POWER
WINDOW z
Key in ON position.
z Enter the following diagnostic mode on the diagnostic tool: GEM
Active Command FRONT WINDOW CONTROL.
z Trigger DR DOWN ON.
z Did the driver window move down? Yes
INSTALL a new GEM.
REFER to
Section 419 -
10 . TEST the system
for normal operation.
No
GO to E10 .
E10 CHECK THE WINDOW REGULATOR MOTOR OPERATION
z
Disconnect: Driver Window Regulator Motor C518.
z Connect a 20 amp fused jumper wire between battery positive
and one pin of the window regulator motor (component side).
z Momentarily connect a jumper wire between the second pin of Yes
GO to
E11 .
No Klj . 16 ba
322003 Mustang Workshop Manual
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the window regulator motor and ground.
z Reverse the jumper wires on the window regulator motor.
z Did the window regulator motor operate in both directions? INSTALL a new window
regulator motor. REFER
to
Motor — Window
Regulator in this
section. TEST the
system for normal
operation. E11 CHECK CIRCUIT 992 (WH/BK) FOR AN OPEN BETWEEN
THE DRIVER WINDOW MOTOR AND THE WINDOW REGULATOR
CONTROL SWITCH z
Disconnect: Driver Window Regulator Control Switch C508.
z Measure the resistance between driver window regulator control
switch C508 pin 13, circuit 992 (WH/BK), harness side and
driver window motor C518, circuit 992 (WH/BK), harness side.
z Is the resistance less than 5 ohms? Yes
GO to
E12 .
No
REPAIR the circuit.
TEST the system for
normal operation. E12 CHECK CIRCUIT 226 (WH/BK) FOR AN OPEN
z
Disconnect: GEM C201a.
z Measure the resistance between GEM C201a pin 2, circuit 226
(WH/BK), harness side and driver window motor C518, circuit
226 (WH/BK), harness side.
z Is the resistance less than 5 ohms? Yes
GO to
E13 .
No
REPAIR the circuit.
TEST the system for
normal operation. E13 CHECK CIRCUIT 400 (LB/BK) FOR AN OPEN TO THE GEM
z
Key in OFF position.
z Disconnect: CJB Circuit Breaker 43 (20A).
z Measure the resistance between GEM C201a pin 4 circuit 400
(LB/BK), harness side and CJB circuit breaker 43 (20A) output
pin, circuit 400 (LB/BK). Yes
INSTALL a new GEM.
REFER to
Section 419 -
10 . TEST the system
for normal operation.
No
REPAIR the circuit.
TEST the system for
normal operation. Klj . 17 ba
322003 Mustang Workshop Manual
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z
Is the resistance less than 5 ohms? F4 CHECK CIRCUIT 314 (TN/LB) FOR AN OPEN
(CONVERTIBLE) z
Disconnect: Driver Window Regulator Control Switch C537.
z Measure the resistance between driver window regulator
control switch C537 pin 9, circuit 314 (TN/LB), harness side
and passenger window regulator control switch C629 pin 9,
circuit 314 (TN/LB), 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. F5 CHECK CIRCUIT 314 (TN/LB) FOR AN OPEN (COUPE)
z
Disconnect: Driver Window Regulator Control Switch C508.
z Measure the resistance between driver window regulator
control switch C508 pin 8, circuit 314 (TN/LB), harness side
and passenger window regulator control switch C629 pin 9,
circuit 314 (TN/LB), harness side.
z Is the resistance less than 5 ohms? Yes
GO to
F6 .
No
REPAIR the circuit. TEST
the system for normal
operation. F6 CHECK PASSENGER UP GROUND CIRCUIT 1205 (BK) FOR
AN OPEN z
Measure the resistance between driver window regulator
control switch C508 pin 9, circuit 1205 (BK), harness side and
ground. Yes
INSTALL a new driver
window regulator control
switch. REFER to
Switch
— Window
Regulator Control in this Klj . 19 ba
322003 Mustang Workshop Manual
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z
Is the resistance less than 5 ohms? section. TEST the system
for normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation.
F7 CHECK CIRCUIT 334 (RD/YE) FOR AN OPEN
z
Measure the resistance between passenger window regulator
control switch C629 pin 6, circuit 334 (RD/YE), harness side
and passenger window motor C623, circuit 334 (RD/YE),
harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new
passenger window
regulator control switch.
TEST the system for
normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation.
F8 CHECK CIRCUIT 333 (YE/RD) FOR GROUND
z
Measure the resistance between passenger window regulator
motor C623, circuit 333 (YE/RD), harness side and ground.
z Is the resistance less than 5 ohms? Yes
GO to
F14 .
No
GO to F9 .
F9 CHECK CIRCUIT 313 (WH/YE) FOR GROUND
z
Disconnect: Passenger Window Regulator Control Switch
C629.
z Measure the resistance between passenger window regulator
control switch C629 pin 7, circuit 313 (WH/YE), harness side
and ground. Yes
GO to
F13 .
No
GO to F10 for convertible
or GO to F11 for coupe. Klj . 20 ba
322003 Mustang Workshop Manual
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z
Is the resistance less than 5 ohms? F10 CHECK CIRCUIT 313 (WH/YE) FOR AN OPEN
(CONVERTIBLE) z
Disconnect: Driver Window Regulator Control Switch C537.
z Measure the resistance between driver window regulator
control switch C537 pin 7, circuit 313 (WH/YE), harness side
and passenger window regulator control switch C629 pin 7,
circuit 313 (WH/YE), 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. F11 CHECK CIRCUIT 313 (WH/YE) FOR AN OPEN (COUPE)
z
Disconnect: Driver Window Regulator Control Switch C508.
z Measure the resistance between driver window regulator
control switch C508 pin 15, circuit 313 (WH/YE), harness side
and passenger window regulator control switch C629 pin 7,
circuit 313 (WH/YE), harness side.
z Is the resistance less than 5 ohms? Yes
GO to
F12 .
No
REPAIR the circuit. TEST
the system for normal
operation. F12 CHECK PASSENGER DOWN GROUND CIRCUIT 1205 (BK)
FOR AN OPEN z
Measure the resistance between driver window regulator
control switch C508 pin 14, circuit 1205 (BK), harness side
and ground. Yes
INSTALL a new driver
window regulator control
switch. REFER to
Switch
— Window
Regulator Control in this Klj . 21 ba
322003 Mustang Workshop Manual
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z
Is the resistance less than 5 ohms? section. TEST the system
for normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation.
F13 CHECK CIRCUIT 333 (YE/RD) FOR AN OPEN
z
Measure the resistance between passenger window regulator
control switch C629 pin 10, circuit 333 (YE/RD), harness side
and passenger window regulator motor C623, circuit 333
(YE/RD), harness side.
z Is the resistance less than 5 ohms? Yes
INSTALL a new
passenger window
regulator control switch.
TEST the system for
normal operation.
No
REPAIR the circuit. TEST
the system for normal
operation.
F14 CHECK THE DRIVER WINDOW REGULATOR CONTROL
SWITCH 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
passenger window
regulator motor. REFER
to
Motor — Window
Regulator 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. F15 CHECK THE POWER SUPPLY TO THE PASSENGER
WINDOW REGULATOR CONTROL SWITCH z
Key in OFF position.
z Disconnect: Passenger Window Regulator Control Switch
C629.
z Key in ON position.
z Measure the voltage between passenger window regulator
control switch C629 pin 8, circuit 194 (PK), harness side and
ground. Yes
INSTALL a new
passenger window
regulator control switch.
TEST the system for
normal operation.
No Klj . 22 ba
322003 Mustang Workshop Manual
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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~ ...