2003 FORD MUSTANG brake sensor

Pinpoint Tests
PINPOINT TEST A: THE SHIFT INTERLOCK SYSTEM DOES NOT
RELEASE/LOCK CORRECTLY z
The shift control is
out of correct gear
relationship z
Transmission shift
cable and bracket.
z Retainer bracket.
z Shift control linkage
out of adjustment. z
Go To Pinpoint Test B .
z Transmission range
indicator does not
correspond to the
gear z
Transmission shift
cable bracket. z
TIGHTEN the bolts
holding transmission
shift cable bracket.
z Transmission shift
cable loose from the
transmission
retainer bracket. z
TIGHTEN the bolts.
z Shift linkage. zVERIFY digital
transmission range
(DTR) sensor range for
correct adjustment.
REFER to Section 307 -
01 .
z The Transmission
Control Switch (TCS)
Is Inoperative z
CJB Fuse 28 (15A).
z TCS.
z TCS not cycled
during self- test.
z Powertrain control
module (PCM).
z Circuitry. z
Go To Pinpoint Test C .
z The Transmission
Control Indicator
Lamp (TCIL) Is Not
Operating Correctly z
Bulb.
z Instrument cluster.
z Powertrain control
module. z
REFER to Section 413 -
01 .
z Excessive Shift Effort zTransmission shift
cable. z
INSTALL a new
transmission shift cable.
z Cable bracket. zADJUST the cable.
TIGHTEN the screws.
z Transmission Range
Selector Lever Will
Not Shift z
Transmission shift
cable. z
INSTALL a new
transmission shift cable.
z Broken transmission
shift cable. z
INSTALL a new
transmission shift cable. Test Step Result / Action to Take
A1 TEST THE BRAKE LIGHTS
z
Key in ON position.
z Apply the brake pedal and observe the stoplamps.
z Do the stoplamps illuminate? Yes
GO to
A2 .
No
REFER to Section 417 -Klj . 2 ba
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PINPOINT TEST C: THE TRANSMISSION CONTROL SWITCH (TCS)
IS INOPERATIVE Test Step Result / Action to Take
B1 CHECK THE SHIFT
CONTROL LINKAGE z
Key in ON position.
z Apply the brake pedal.
z Actuate the transmission
range selector lever in all
ranges.
z Observe the shift control
linkage during operation.
z Is the shift control linkage
OK? Yes
GO to
B2 .
No
REPAIR as necessary. TEST the system for normal
operation. B2 CHECK THE TRANSMISSION
SHIFT CABLE z
Check the transmission shift
cable and bracket installation
and tightness.
z Is the transmission shift
cable correctly installed
and adjusted? Yes
GO to
B3 .
No
REPAIR as necessary. TEST the system for normal
operation. B3 CHECK THE
LINKAGE/CABLE FOR CORRECT
GEAR RELATIONSHIP z
Apply the brake pedal.
z Actuate the transmission
range selector lever in all
ranges.
z Does the indicator match
the gear selection? Yes
VERIFY the correct adjustment of the digital transmission
range (DTR) sensor. REFER to
Section 307 - 01 . Adjust the
digital DTR sensor if necessary. TEST the system for
normal operation.
No
ADJUST the transmission shift cable. REFER to Cable Adjustment . TEST the system for normal operation.
Test Step Result / Action to Take
C1 CHECK THE VOLTAGE TO THE TRANSMISSION CONTROL
SWITCH z
Key in OFF position.
z Disconnect: Transmission Control Switch C279.
z Key in ON position.
z Measure the voltage between TCS C279- 3, Circuit 911
(WH/LG), harness side and ground. Yes
GO to
C2 .
No
REPAIR the circuit. TEST
the system for normal
operation. Klj . 4 ba
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DESCRIPTION AND OPERATION
Speed Control
The speed control system consists of the following components:
zspeed control actuator cable (9A825)
z deactivator switch
z output shaft sensor (OSS)
z speed control actuator switches (9C888)
z brake pedal position (BPP) switch (13480)
z speed control servo (9C735)
z clutch pedal position switch (manual transmission only)
SECTION 310-
03: Speed Control 2003 Mustang Workshop Manual Klj . 1 ba
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Symptom Chart B1446 Wiper Park Sense Circuit
Failure GEM REFER to
Section 501 - 16 .
B1448 Wiper Park Sense Circuit Short
to Battery GEM REFER to
Section 501 - 16 .
B1450 Wiper Wash/Delay Switch
Circuit Failure GEM REFER to
Section 501 - 16 .
B1453 Wiper Wash/Delay Switch
Circuit Short to Ground GEM REFER to
Section 501 - 16 .
B1458 Wiper Washer Pump Motor
Relay Circuit Failure GEM REFER to
Section 501 - 16 .
B1460 Wiper Washer Pump Motor
Relay Coil Circuit Short to Battery GEM REFER to
Section 501 - 16 .
B1462 Safety Belt Switch Circuit
Failure GEM REFER to
Section 413 - 09 .
B1466 Wiper Hi/Low Speed Not
Switching GEM REFER to
Section 501 - 16 .
B1473 Wiper Low Speed Circuit Motor
Failure GEM REFER to
Section 501 - 16 .
B1476 Wiper High Speed Circuit Motor
Failure GEM REFER to
Section 501 - 16 .
B1551 Decklid Release Circuit Failure GEM REFER to
Section 501 - 14B .
B1553 Decklid Release Circuit Short to
Battery GEM REFER to
Section 501 - 14B .
B1555 Ignition Run/Start Circuit
Failure GEM REFER to
Section 211 - 05 .
B1687 Lamp Dome Input Circuit Short
to Battery GEM REFER to
Section 417 - 02 .
B2486 Parklamp Output Relay Driver
Circuit Failure GEM REFER to
Section 419 - 01 .
B2488 Parklamp Output Relay Driver
Short to Battery GEM REFER to
C1189 Brake Fluid Level Sensor Input
Short Circuit to Ground GEM Go To Pinpoint Test O .
C1223 Lamp Brake Warning Output
Circuit Failure GEM Go To Pinpoint Test O .
C1225 Lamp Brake Warning Output
Circuit Short to Battery GEM Go To Pinpoint Test O .
Symptom Chart Condition
Possible Sources Action
z No communication with
the generic electronic
module (GEM) z
Central junction
box (CJB) fuse
(s):
„7 (15A).
„ 39 (5A).
„ 43 z
Go To Pinpoint Test W Klj . 9 ba
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DESCRIPTION AND OPERATION
Exterior Lighting
The exterior lighting system consists of the following components:
zheadlamps (13008)
z parking lamps
z rear lamps (13404)
z high mounted stoplamp
z license lamps
z front turn lamps
z reversing lamps
z fog lamps (if equipped)
z headlamp switch (11654)
z fog lamp switch (if equipped)
z brake pedal position (BPP) switch (13480)
z multifunction switch (13K359)
z digital transmission range (DTR) sensor (A/T)
z reversing lamp switch (M/T)
z electronic flasher
z fog lamp relays (if equipped)
SECTION 417-
01: Exterior Lighting 2003 Mustang Workshop Manual Klj . 1 ba
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PINPOINT TEST T: THE REVERSING LAMPS ARE ON
CONTINUOUSLY z
Is the resistance less than 5 ohms? No
REPAIR the circuit.
TEST the system for
normal operation.
Test Step Result / Action to Take
T1 CHECK THE CONTINUITY OF THE
DTR SENSOR (A/T) OR THE
REVERSING LAMP SWITCH (M/T) z
Key in OFF position.
z Disconnect: DTR Sensor C167
(A/T).
z Disconnect: Reversing Lamp Switch
C169 (M/T).
z Set the parking brake.
z Key in ON position.
z Select REVERSE.
z Are the reversing lamps
illuminated? Yes
REPAIR Circuit 140 (BK/PK) for short to battery.
TEST the system for normal operation.
No
INSTALL a new DTR sensor (A/T) or reversing lamp
switch (M/T); REFER to
Section 307 - 01 ,
Section 308 - 03A , or
Section 308 - 03B . TEST the system for
normal operation. Klj . 4 ba
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Symptom Chart
Pinpoint Tests
CAUTION: Before removing and installing the GEM or its connectors, disconnect the Output Circuit Failure
B2488 RF Side Repeater Lamp
Output Circuit Failure GEM REFER to
Section 417 - 01 .
C1189 Brake Fluid Level Sensor
Input Short Circuit to Ground GEM REFER to
Section 413 - 01 .
C1223 Lamp Brake Warning
Output Circuit Failure GEM REFER to
Section 413 - 01 .
C1225 Lamp Brake Warning
Output Circuit Short to
Battery GEM REFER to
Section 413 - 01 .
Symptom Chart Condition
Possible Sources Action
z No communication with the generic
electronic module z
CJB Fuse 39
(5A)
z GEM.
z Circuitry. z
GO to
Pinpoint Test A .
z The courtesy lamps are inoperative zCJB Fuse 7
(20A).
z Door ajar switch
(es).
z Courtesy lamp
assemblies.
z Circuitry.
z GEM.
z Ignition Switch.
z Headlamp
Switch. z
GO to
Pinpoint Test B .
z The demand lighting is inoperative zCJB Fuse 7
(20A).
z Circuitry.
z GEM.
z Door ajar switch
(es).
z Demand lamp
assemblies.
z Ignition Switch.
z Headlamp
Switch. z
GO to
Pinpoint Test C .
z The illuminated entry is inoperative
when using the remote transmitter z
Remote
transmitter.
z GEM. z
GO to
Pinpoint Test D .
z The battery saver does not
deactivate after timeout z
Circuitry.
z GEM. z
GO to
Pinpoint Test E . Klj . 5 ba
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B1450 Wiper Wash/delay Switch
Circuit Failure GEM GO to
Section 501 - 16 .
B1453 Wiper Wash/delay Switch
Circuit Short to Ground GEM GO to
Section 501 - 16 .
B1458 Wiper Washer Pump Motor
Relay Circuit Failure GEM GO to
Section 501 - 16 .
B1460 Wiper Washer Pump Motor
Relay Circuit Short to Battery GEM GO to
Section 501 - 16 .
B1462 Safety Belt Switch Circuit
Failure GEM GO to
Section 413 - 09 .
B1466 Wiper High/low Speed Not
Switching GEM GO to
Section 501 - 16 .
B1473 Wiper Low Speed Circuit
Motor Failure GEM GO to
Section 501 - 16 .
B1476 Wiper High Speed Circuit
Motor Failure GEM GO to
Section 501 - 16 .
B1498 Decklid Punch-
out Sensor
Ground Short GEM GO to
Section 419 - 01 .
B1551 Decklid Release Circuit
Failure GEM GO to
Section 501 - 14B .
B1553 Decklid Release Circuit Short
to Battery GEM GO to
Section 501 - 14B .
B1555 Ignition RUN/START Circuit
Failure GEM GO to
Section 211 - 05 .
B1603 Lamp Anti-
Theft Indicator
Circuit Failure GEM GO to
Section 419 - 01 .
B1605 Lamp Anti-
Theft Indicator
Circuit Short to Battery GEM GO to
Section 419 - 01 .
B1687 Lamp Dome Input Circuit
Short to Battery GEM GO to
Section 417 - 02 .
B1833 Door Unlock Disarm Switch
Circuit Short to Ground GEM GO to
Section 419 - 01 .
B2486 Parklamp Output Relay Driver
Circuit Failure GEM GO to
Section 419 - 01 .
B2488 Parklamp Output Relay Driver
Circuit Short to Battery GEM GO to
Section 419 - 01 .
C1189 Brake Fluid Level Sensor
Input Circuit Short to Ground GEM REFER to
Section 413 - 01 .
C1223 Lamp Brake Warning Output
Circuit Failure GEM REFER to
Section 413 - 01 .
C1225 Lamp Brake Warning Output
Circuit Short to Battery GEM REFER to
Section 413 - 01 .
ICM DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC Description Source Action
B1343 Heated Backlight Input Circuit Failure ICM GO to
Pinpoint Test H . Klj . 4 ba
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