window FORD MUSTANG 2003 Manual Online

Page 3814 of 4378

DESCRIPTION AND OPERATION
Handles, Locks, Latches And Mechanisms
Lock Cylinders
Individual lock cylinders are repaired by discarding the inoperative lock cylinder and building a new
lock cylinder using the appropriate lock repair package. The lock repair package includes a detailed
instruction sheet to build the new lock cylinder to the current key code of the vehicle.
Latch System
The door latch system consists of:
zfront door latch remote control and cable assembly
z front door latch (21812)
z door latch control rod knob (21850)
z door handle (22404) and front door latch actuating rod (22152)
z lock cylinder (22050) and front door latch control cylinder rod (22134)
z door latch striker plate (22008)
z front door latch remote control cable (221A00)
z door lock cylinder (21990)
z window regulator switch plates (14524)
z adjunct actuator (218B20)
z circuit wiring and circuit protection
z front door lock switch (14017)
z luggage compartment lid latch with mechanical interior release handle and cable
z luggage compartment lid lock cylinder
Refer to Section 501 - 14B .
Luggage Compartment Lid Remote Control Lock Switch
The luggage compartment remote control system consists of:
zluggage compartment remote control lock switch (19C542) located in the glove compartment
(06010)
z remote control lock actuator (part of the luggage compartment lid latch)
z circuit wiring and circuit protection
Refer to Section 501 - 14B .
SECTION 501-
14A: Handles, Locks, Latches and Mechanisms 2003 Mustang Workshop Manual Klj . 1 ba
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REMOVAL AND INSTALLATION
Switch —
Door Lock
Removal
1. CAUTION: Place a rag between the window regulator switch plate and the door trim
panel to avoid damaging the door trim panel.
Position the window regulator switch plate (14524) aside. 1. Pull at service notch.
2. Lift to release the clip at the rear edge.
2. Remove the screws and the door lock switch (14017).
Installation 1. To install, reverse the removal procedure.
SECTION 501-
14A: Handles, Locks, Latches and Mechanisms 2003 Mustang Workshop Manual Klj . 1 ba
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Page 3844 of 4378

4. If the concern remains after the inspection, connect the scan tool to the data link connector
(DLC) located beneath the instrument panel and select the vehicle to be tested from the scan
tool menu. If the scan tool does not communicate with the vehicle:
zcheck that the program card is correctly installed.
z check the connections to the vehicle.
z check the ignition switch position.
5. If the scan tool still does not communicate with the vehicle, refer to the scan tool manual.
6. Carry out the DATA LINK DIAGNOSTIC TEST. If the scan tool responds with: zCKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418 -
00 .
z NO RESP/NOT EQUIP for GEM, go to Pinpoint Test A.
z SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs),
erase the continuous DTCs, and carry out the self- test diagnostics for the GEM.
7. If the DTCs retrieved are related to the concern, go to the GEM Diagnostic Trouble Code (DTC) Index to continue diagnostics.
8. If no DTCs related to the concern are retrieved, proceed to Symptom Chart to continue diagnostics.
GEM Diagnostic Trouble Code (DTC) Index Mechanical Electrical
z
Binding latches z
CJB Fuses:
„39 (5A)
„ 19 (15A)
„ 25 (25A)
z BJB Fuse POWER WINDOWS (40A)
z Damaged wiring harness
z Loose or corroded connector(s)
z Circuitry open/shorted
z Damaged relays
z Remote transmitter
z Remote transmitter batteries DTC Description Source Action
B1217 Horn Relay Coil Circuit Failure GEM GO to
Pinpoint Test E .
B1218 Horn Relay Coil Circuit Short to
Vbatt GEM GO to
Pinpoint Test E .
B1312 Lamp Headlamp Input Circuit
Short to Battery GEM REFER to
Section 417 - 01 .
B1317 Battery Voltage High GEM REFER to
Section 414 - 00 .
B1318 Battery Voltage Low GEM REFER to
Section 414 - 00 .
B1322 Driver Door Ajar Circuit Short to
Ground GEM REFER to
Section 417 - 02 .
B1330 Passenger Door Ajar Circuit
Short to Ground GEM REFER to
Section 417 - 02 .
B1334 Decklid Ajar Rear Door Circuit GEM REFER to
Section 417 - 02 . Klj . 3 ba
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Short to Ground
B1339 Chime Input Request Circuit
Short to Battery GEM REFER to
Section 413 - 09 .
B1340 Chime Input Request Circuit
Short to Ground GEM REFER to
Section 413 - 09 .
B1342 ECU Is Defective GEM CLEAR the DTC. Retrieve the DTCs. If DTC
B1342 is retrieved, INSTALL a new GEM. REFER to Section 419 - 10 .
B1353 Ignition Key-
In Circuit Open GEM REFER to
Section 413 - 09 .
B1359 Ignition Run/Acc Circuit Failure GEM REFER to
Section 211 - 05 .
B1396 Power Door Lock Circuit Short
to Battery GEM GO to
Pinpoint Test B .
B1397 Power Door Unlock Circuit
Short to Battery GEM GO to
Pinpoint Test B .
B1405 Driver Power Window Down
Circuit Short to Battery GEM REFER to
Section 501 - 11 .
B1408 Driver Power Window Up
Circuit Short to Battery GEM REFER to
Section 501 - 11 .
B1833 Door Unlock Disarm Switch
Circuit Short to Ground GEM REFER to
Section 419 - 01 .
B1498 Decklid Punch-Out Sensor
Ground Short. GEM GO to
Pinpoint Test D .
B1603 Lamp Anti-
Theft Indicator
Circuit Failure GEM REFER to
Section 413 - 01 .
B1410 Driver Power Window Motor
Circuit Failure GEM REFER to
Section 501 - 11 .
B1426 Lamp Safety Belt Circuit Short
to Battery GEM REFER to
Section 413 - 01 .
B1428 Lamp Safety Belt Circuit Failure GEM REFER to
Section 413 - 01 .
B1431 Wiper Brake/Run Relay Circuit
Failure GEM REFER to
Section 501 - 16 .
B1432 Wiper Brake/Run Relay Circuit
Short to Battery GEM REFER to
Section 501 - 16 .
B1434 Wiper Hi/Low Speed Relay Coil
Circuit Failure GEM REFER to
Section 501 - 16 .
B1436 Wiper Hi/Low Speed Relay Coil
Circuit Short to Battery GEM REFER to
Section 501 - 16 .
B1438 Wiper Mode Select Switch
Circuit Failure GEM REFER to
Section 501 - 16 .
B1441 Wiper Mode Select Switch
Circuit Short to Ground GEM REFER to
Section 501 - 16 .
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 . Klj . 4 ba
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Page 3846 of 4378

Symptom Chart 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 GO to
Pinpoint Test D .
B1553 Decklid Release Circuit Short
to Battery GEM GO to
Pinpoint Test D .
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 LF Side Repeater Lamp Output
Circuit Failure GEM REFER to
Section 417 - 01 .
B1605 Lamp Anti-
Theft Indicator
Circuit Short to Battery GEM REFER to
Section 501 - 16 .
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
Circuitry.
z CJB Fuse 39 (5A).
z GEM. z
GO to
Pinpoint Test A .
z All door locks are inoperative zCJB Fuse 19 (15A).
z BJB Fuse POWER
WINDOWS (40A).
z Circuitry.
z GEM.
z Switches.
z Lock actuators. z
GO to
Pinpoint Test B .
z The doors do not lock/unlock
using the remote transmitter z
Ignition switch.
z GEM. z
GO to
Pinpoint Klj . 5 ba
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Page 3848 of 4378

PINPOINT TEST B: ALL DOOR LOCKS ARE INOPERATIVE z
Measure the reistance between the GEM C201b pin 4, circuit
397 (BK/WH), harness side and ground.
z Is the reistance less than 5 ohms? GO to
A3 .
No
REPAIR the circuit(s) in
question. TEST the system
for normal operation. A3 CHECK CIRCUIT 397 (BK/WH) FOR SHORT TO POWER
z
Measure the voltage between the GEM C201b pin 4, circuit
397 (BK/WH), harness side and ground.
z Is any voltage present? Yes
REPAIR the circuit. TEST
the system for normal
operation.
No
REFER to
Section 418 - 00 .
Test Step Result / Action to
Take B1 CHECK POWER LOCK INPUTS TO THE GEM
z
Connect the diagnostic tool.
z Monitor the GEM PIDS DR_LOCK, DR_UNLK, PD_LOCK,
PD_UNLK, while depressing the driver and passenger power door
lock and unlock switches.
z Do the PID values agree with the switch positions? Yes
GO to
B11 .
No
GO to B2 .
B2 ISOLATE BETWEEN THE DRIVER AND PASSENGER POWER
DOOR LOCK SWITCHES NOTE:
This PID may not be supported in the normal scan tool PID
list. It can be located in the Function test —"Transmitter Tic/Data".
When this test is activated, the appropriate results may be obtained
when pressing the keyfob buttons.
z Connect the diagnostic tool.
z Monitor the GEM PIDS DR_LOCK and DR_UNLK, while
depressing the driver power door lock and unlock switches.
z Do the PID values agree with the switch positions? Yes
GO to
B7 .
No
GO to B3 .
B3 CHECK CIRCUIT 326 (WH/VT) FOR VOLTAGE —
DRIVER SIDE z
Disconnect: Master Window/Door Lock Control Switch C508.
z Measure the voltage between master window/door lock control
switch C508 Pin 3, Circuit 326 (WH/VT), harness side and ground. Yes
GO to
B4 .
No Klj . 7 ba
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Page 3849 of 4378

z
Is the voltage greater than 10 volts? REPAIR Circuit 326
(WH/VT). REPEAT
the self-
test. CLEAR
the DTCs. B4 CHECK THE DRIVER POWER DOOR LOCK SWITCH FOR
CORRECT OPERATION z
Carry out the master window/door lock control switch component
test. REFER to Wiring Diagrams Cell 149, Component Testing.
z Is the master window/door lock control switch OK? Yes
GO to
B5 .
No
INSTALL a new
master window/door
lock control switch.
REPEAT the self-
test. CLEAR the
DTCs. B5 CHECK CIRCUITS 129 (LG) AND 1014 (VT) FOR SHORT TO
POWER z
Key in OFF position.
z Disconnect: GEM C201c.
z Measure the voltage between GEM C201c Pin 20, Circuit 129 (LG),
harness side and ground; and between GEM C201c Pin 18, Circuit
1014 (VT), harness side and ground.
z Key in ON position.
z Measure the voltage between GEM C201c Pin 20, Circuit 129 (LG),
harness side and ground; and between GEM C201c Pin 18, Circuit
1014 (VT), harness side and ground.
z Key in OFF position.
z Are the voltages greater than 10 volts? Yes
REPAIR the circuit in
question. REPEAT
the self-
test. CLEAR
the DTCs.
No
GO to B6 . Klj . 8 ba
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Page 3850 of 4378

B6 CHECK CIRCUITS 129 (LG) AND 1014 (VT) FOR OPEN
z
Measure the resistance between master window/door lock control
switch C508 Pin 4, Circuit 129 (LG), harness side and GEM C201c
Pin 20, Circuit 129 (LG), harness side; and between master
window/door lock control switch C508 Pin 2, Circuit 1014 (VT),
harness side and GEM C201c 2 Pin 18, Circuit 129 (LG), harness
side.
z Are the resistances less than 5 ohms? Yes
INSTALL a new
GEM. For additional
information, REFER
to
Section 419 - 10 .
REPEAT the self-
test. CLEAR the
DTCs.
No
REPAIR the circuit in
question. REPEAT
the self- test. CLEAR
the DTCs. B7 CHECK CIRCUIT 326 (WH/VT) FOR VOLTAGE —
PASSENGER
SIDE z
Disconnect: Passenger Window/Door Lock Control Switch C629.
z Measure the voltage between passenger/window door lock control
switch C629 Pin 3, Circuit 326 (WH/VT), harness side and ground.
z Is the voltage greater than 10 volts? Yes
GO to
B8 .
No
REPAIR Circuit 326
(WH/VT). REPEAT
the self- test. CLEAR
the DTCs. B8 CHECK THE PASSENGER POWER DOOR LOCK SWITCH FOR
CORRECT OPERATION z
Carry out the passenger window/door lock control switch
component test. REFER to Wiring Diagrams Cell 149, Component
Testing.
z Is the master window/door lock control switch OK? Yes
GO to
B9 .
No
INSTALL a new
master window/door
lock control switch.
REPEAT the self-
test. CLEAR the
DTCs. B9 CHECK CIRCUITS 119 (PK/YE) AND 120 (PK/LG) FOR SHORT TO
POWER z
Disconnect: GEM C201c.
z Measure the voltage between GEM C201c Pin 19, Circuit 119
(PK/YE), harness side and ground; and between GEM C201c Pin
17, Circuit 120 (PK/LG), harness side and ground. Yes
REPAIR the circuit in
question. REPEAT
the self-
test. CLEAR
the DTCs.
No
GO to B10 . Klj . 9 ba
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Page 3851 of 4378

z
Key in ON position.
z Measure the voltage between GEM C201c Pin 19, Circuit 119
(PK/YE), harness side and ground; and between GEM C201c Pin
17, Circuit 120 (PK/LG), harness side and ground.
z Key in OFF position.
z Are the voltages greater than 10 volts? B10 CHECK CIRCUITS 119 (PK/YE) AND 120 (PK/LG) FOR OPEN
z
Measure the resistance between passenger window/door lock
control switch C629 Pin 2, Circuit 119 (PK/YE), harness side and
GEM C201c Pin 19, Circuit 119 (PK/YE), harness side; and
between passenger window/door lock control switch C629 Pin 4,
Circuit 120 (PK/LG), harness side and GEM C201c Pin 17, Circuit
120 (PK/LG), harness side.
z Are the resistances less than 5 ohms? Yes
INSTALL a new
GEM. For additional
information, REFER
to
Section 419 - 10 .
REPEAT the self-
test. CLEAR the
DTCs.
No
REPAIR the circuit in
question. REPEAT
the self- test. CLEAR
the DTCs. B11 CHECK GEM CONTROL OF THE POWER DOOR LOCKS
z
Connect the diagnostic tool.
z Trigger the GEM active command LOCK, UNLOCK, DD UNLOCK,
and DD LOCK ON and OFF.
z Do the doors lock and unlock? Yes
INSTALL a new
GEM. For additional
information, REFER
to
Section 419 - 10 .
REPEAT the self-
test. CLEAR the
DTCs.
No
GO to B12 . Klj . 10 ba
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Page 3852 of 4378

B12 ISOLATE BETWEEN DRIVER AND PASSENGER POWER LOCK
ACTUATORS z
Connect the diagnostic tool.
z Trigger the GEM active command LOCK and DD UNLOCK ON and
OFF.
z Did the driver door lock and unlock? Yes
GO to
B17 .
No
GO to B13 .
B13 CHECK THE DRIVER POWER LOCK ACTUATOR OPERATION
z
Disconnect: Driver Door Lock Actuator C525.
z Momentarily connect a fused (40A) jumper wire between battery
and driver door lock actuator Pin 1, component side; and connect a
jumper wire between ground and driver door lock actuator Pin 2,
component side.
z Reverse the jumper wire connections and momentarily connect.
z Did the driver door lock and unlock? Yes
GO to
B14 .
No
INSTALL a new
driver door lock
actuator. For
additional
information, REFER
to Actuator .
REPEAT the self-
test. CLEAR the
DTCs. B14 CHECK CIRCUIT 193 (YE/LG) FOR OPEN
NOTE:
Verify voltage at BJB Fuse POWER WINDOWS (40A)
before completing this step.
z Disconnect: GEM C201b.
z Measure the voltage between GEM C201b Pin 3, Circuit 193
(YE/LG), harness side and ground.
z Is the voltage greater than 10 volts? Yes
GO to
B15 .
No
REPAIR Circuit 193
(YE/LG). REPEAT
the self- test. CLEAR
the DTCs. B15 CHECK CIRCUIT 1205 (BK) FOR OPEN
z
Measure the resistance between GEM C201b Pin 1, Circuit 1205 Yes
GO to
B16 . Klj . 11 ba
212003 Mustang Workshop Manual
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