sensor FORD MUSTANG 2003 Repair Manual

Page 688 of 4378

z
Measure the voltage between anti- lock brake
control module C141 Pins, harness side and
ground as follows:
z Is any voltage present? DTC Anti-
Lock Brake Control
Module C141 Pin Circuit
C1145
(RF) 4 514
(YE/RD) C1155
(LF) 20 521
(TN/OG) C1165
(RR) 1 494
(TN/LG) C1175
(LR) 22 496 (OG) test.
No
GO to
F2 .
F2 CHECK THE SUSPECT ANTI-
LOCK BRAKE
SENSOR CIRCUIT FOR SHORT TO GROUND z
Key in OFF position.
z Measure the resistance between anti- lock brake
control module C141 Pins, harness side and
ground as follows: DTC Anti-
Lock Brake Control
Module C141 Pin Circuit
C1145
(RF) 4 514
(YE/RD) C1155
(LF) 20 521
(TN/OG) C1165
(RR) 1 494
(TN/LG) C1175
(LR) 22 496 (OG) Yes
GO to
F4 .
No
GO to F3 . Klj . 11 ba
202003 Mustang Workshop Manual
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Page 689 of 4378

z
Is the resistance greater than 10,000 ohms? F3 CHECK THE SUSPECT ANTI-
LOCK BRAKE
SENSOR FOR A SHORT TO GROUND z
Disconnect: Suspect Anti- Lock Brake Sensor.
z Measure the resistance between suspect anti- lock
brake sensor Pin 1 (component side) and ground.
z Is the resistance greater than 10,000 ohms? Yes
If RF, REPAIR Circuit 514 (YE/RD)
and Circuit 516 (YE/BK), as
necessary. CLEAR the DTCs.
REPEAT the self-
test. If LF, REPAIR
Circuit 521 (TN/OG) and Circuit 522
(TN/BK), as necessary. CLEAR the
DTCs. REPEAT the self- test. If RR,
REPAIR Circuit 494 (TN/LG) and
Circuit 492 (BN), as necessary.
CLEAR the DTCs. REPEAT the self-
test. If LR, REPAIR Circuit 496 (OG)
and Circuit 499 (GY/BK), as
necessary. CLEAR the DTCs.
REPEAT the self- test.
No
INSTALL a new anti- lock brake
sensor; REFER to Sensor — Front or
Sensor — Rear . CLEAR the DTCs.
REPEAT the self- test. F4 CHECK THE SUSPECT ANTI-
LOCK BRAKE
SENSOR CIRCUIT FOR FOR AN OPEN z
Key in OFF position.
z Measure the resistance between anti- lock brake
control module C141 Pins, harness side and
suspect anti- lock brake sensor, harness side as
follows: DTC Anti-Lock
Brake Control Module Anti-Lock
Brake
Sensor Circuit
C1145
(RF) C141 Pin 4 C145 Pin 1 514
(YE/RD) C1145
(RF) C141 Pin 5 C145 Pin 2 516
(YE/BK) C1155
(LF) C141 Pin 20 C144 Pin 1 521
(TN/OG) C1155
(LF) C141 Pin 21 C144 Pin 2 522
(TN/BK) C1165
(RR) C141 Pin 1 C319 Pin 2 494
(TN/LG) C1165 C141 Pin 3 C319 Pin 1 492 (BN) Yes
GO to
F5 .
No
REPAIR the circuit in question.
CLEAR the DTCs. REPEAT the self-
test. Klj . 12 ba
202003 Mustang Workshop Manual
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Page 690 of 4378

PINPOINT TEST G: DTC C1222, ANTI-
LOCK BRAKE SENSOR
MISMATCH z
Are the resistances less than 5 ohms? (RR)
C1175
(LR) C141 Pin 22 C320 Pin 2 496 (OG)
C1175
(LR) C141 Pin 23 C320 Pin 1 499
(GY/BK) F5 CHECK THE ANTI-
LOCK BRAKE SENSOR z
Measure the resistance between suspect anti- lock
brake sensor pin 1 (component side) and suspect
anti- lock brake sensor pin 2 (component side).
z Is the resistance between 1280 and 1920 (front)
or 1830 and 2760 (rear) ohms? Yes
INSTALL a new anti-
lock brake
control module; REFER to Module .
REPEAT the self- test.
No
INSTALL a new anti- lock brake
sensor; REFER to Sensor — Front or
Sensor — Rear . CLEAR the DTCs.
REPEAT the self- test. Test Step Result / Action to Take
G1 CHECK THE VEHICLE
COMPONENTS z
Check for correct wheel and tire
size, front- to-rear and side- to-
side.
z Check for excessive bearing end
play.
z Check the anti- lock brake sensor
indicator for a bent sensor ring or
missing teeth.
z Are the conditions OK? Yes
GO to
G2 .
No
REPAIR as necessary. CLEAR the DTCs. REPEAT
the self- test. G2 TEST DRIVE THE VEHICLE
z
Enter the following diagnostic Yes Klj . 13 ba
202003 Mustang Workshop Manual
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Page 691 of 4378

PINPOINT TEST H: DTC C1233 (LF), C1234 (RF), C1235 (RR), C1236
(LR), ANTI-
LOCK BRAKE SENSOR INPUT SIGNAL MISSING
PINPOINT TEST I: THE YELLOW ABS WARNING INDICATOR DOES
NOT SELF- CHECK mode on the diagnostic tool:
CLEAR the DTCs.
z Key in OFF position.
z Key in ON position.
z Test drive the vehicle over 24
km/h (15 mph).
z Enter the following diagnostic
mode on the diagnostic tool:
Retrieve DTCs.
z Is DTC C1222 retrieved? INSTALL a new anti-
lock brake control module;
REFER to Module . REPEAT the self-
test.
No
If another DTC is retrieved, GO to the Anti- Lock Brake
Control Module Diagnostic Trouble Code (DTC) index.
If no DTCs are retrieved, system is OK. Test Step Result / Action to Take
H1 CHECK THE SUSPECT ANTI-
LOCK BRAKE
SENSOR z
Check the suspect anti- lock brake sensor
mounting.
z Check the suspect anti- lock brake sensor for
excessive dirt build up, obstructions, and
damage.
z Is the suspect anti- lock brake sensor and
mounting OK? Yes
GO to
H2 .
No
REPAIR as necessary. CLEAR the
DTCs. REPEAT the self- test. H2 CHECK THE SUSPECT ANTI-
LOCK BRAKE
SENSOR INDICATOR z
Check the suspect anti- lock brake sensor
indicator for corrosion, nicks, bridged teeth,
damaged teeth, correct mounting, and
alignment with the anti- lock brake sensor.
z Check the air gap and bearing end play.
z Is the suspect anti- lock brake sensor
indicator OK? Yes
GO to
H3 .
No
INSTALL a new anti- lock brake sensor
indicator; REFER to Sensor Indicator —
Front or
Sensor Indicator — Rear .
CLEAR the DTCs. REPEAT the self- test. H3 CHECK THE ANTI-
LOCK BRAKE SENSOR
OUTPUT z
Key in ON position.
z Enter the following diagnostic mode on the
diagnostic tool: CLEAR the DTCs.
z Key in OFF position.
z Key in ON position.
z Have an assistant monitor the anti- lock brake
control module PIDs LF_WSPD, RF_WSPD,
LR_WSPD, and RR_WSPD while driving at
various speeds.
z NOTE: the vehicle must be driven 16 km (10
miles) during this test step.
z Test drive the vehicle for 16 km (10 miles).
z Are the anti- lock brake control module PIDs
approximately the same at all times? Yes
INSTALL a new anti-
lock brake control
module; REFER to Module . REPEAT
the self- test.
No
INSTALL a new anti- lock brake sensor;
REFER to Sensor — Front or
Sensor —
Rear . CLEAR the DTCs. REPEAT the
self- test. Klj . 14 ba
202003 Mustang Workshop Manual
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Page 698 of 4378

REMOVAL AND INSTALLATION
Sensor Indicator —
Rear
Removal 1. Remove the rear axle shaft bearing, refer to Section 205 - 02A or
Section 205 - 02B .
2. Using the special tool, remove the anti- lock brake sensor indicator from the axle shaft.
SECTION 206-
09B: Anti-Lock Control — Traction Control 2003 Mustang Workshop Manual Special Tool(s)
Pinion Bearing Cone Remover
205-
D002 (D79P- 4621A) Axle Bearing/Seal Plate
205-
090 (T75L-1165- B) Sensing Ring Replacer
206-
041 (T89P-20202- A) Klj . 1 ba
32003 Mustang Workshop Manual
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Page 699 of 4378

Installation
1. Using the special tools, align the rear anti- lock brake sensor indicator to the rear axle shaft.
2. Using the special tools, press the rear anti- lock brake sensor on the rear axle shaft to
specification. Klj . 2 ba
32003 Mustang Workshop Manual
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Page 706 of 4378

REMOVAL AND INSTALLATION
Sensor —
Front
Removal 1. Remove the wheel and tire assembly. For additional information, refer to Section 204 - 04 .
2. Remove the inner fender splash shield. 1. Remove the inner fender splash shield push pins.
2. Remove the inner fender splash shield screw.
3. Remove the inner fender splash shield.
3. Remove the front anti- lock brake sensor electrical connector.
4. Remove the front anti- lock brake sensor harness from the anti- lock brake sensor harness clips.
5. Remove the front anti- lock brake sensor.
1. Remove the front anti- lock brake sensor bolt.
2. Remove the anti- lock brake sensor harness from the harness clips.
3. Remove the front anti- lock brake sensor.
SECTION 206-
09B: Anti-Lock Control — Traction Control 2003 Mustang Workshop Manual Klj . 1 ba
32003 Mustang Workshop Manual
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Page 709 of 4378

REMOVAL AND INSTALLATION
Sensor —
Rear
Removal 1. Remove the rear passenger seat.
2. Disconnect the rear anti- lock brake sensor electrical connector.
3. Raise and support the vehicle. For additional information, refer to Section 100 - 02 .
4. Remove the rear anti- lock brake sensor harness from the floor pan.
5. Remove the anti- lock brake sensor harness bracket bolt.
6. NOTE: The sensor may be siezed to the axle. Use Rust Penetrant and Inhibitor F2AZ-19A501-
A meeting Ford specification ESR- M99C56-A to loosen the sensor for removal.
Remove the rear anti- lock brake sensor.
SECTION 206-
09B: Anti-Lock Control — Traction Control 2003 Mustang Workshop Manual Klj . 1 ba
22003 Mustang Workshop Manual
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Page 710 of 4378

1. Remove the rear anti-
lock brake sensor bolt.
2. Remove the rear anti- lock brake sensor.
Installation 1. NOTE: Be sure to apply High Temperature Nickel Anti- Sieze Lubricant F6AZ-9L494-AA
meeting Ford specification ESE-M124A- A to the sensor body where it will make contact when
installed.
To install, reverse the removal procedure. Klj . 2 ba
22003 Mustang Workshop Manual
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Page 777 of 4378

4 N805572-
S36 Air bag module retaining screws (2 req'd)
5 3L518 Steering wheel spoke cover
(2 req'd)
6 — Lock tabs
7 14A664 Clockspring
8 13318 Turn indicator cancel cam
9 3C610 Snap ring
10 3520 Bearing spring
11 3518 Upper bearing sleeve
12 3517 Upper bearing (small)
13 3517 Lower bearing (large)
14 3524 Shaft assembly
15 390345-
S36 Screw
16 13K359 Multi-
function switch 17 3E695 Lock cam
18 3F609 Tilt wheel handle
19 N806157 Lock cam pivot pin
20 3530 Lower shroud
21 55929 Shroud retaining screws
22 3D544 Release lever
23 3B661 Lock actuator lever (RH)
24 N805856 Lock actuator lever pin
25 3D653 Lock actuator lever (LH)
26 3B664 Lock lever spring (2 req'd)
27 14A099 Wiring shield
28 3D655 Lock lever spring return
29 3E715 Lock lever upper actuator
30 3E696 Lock spring (shaft)
31 11572 Ignition switch
32 N806423-
S56 Steering column mounting lower nuts
33 N806584 Screw
34 3E660 Mounting bracket
35 3D681 Bearing retaining
36 3518 Bearing sleeve
37 3517 Lower bearing
38 3L539 Lower bearing tolerance ring
39 3C131 Sensor ring
40 3520 Bearing spring
41 N808349 Bolt —
flange yoke 42 3N725 Coupling
43 3C611 Tube boot
44 3B676 Intermediate shaft Klj . 2 ba
42003 Mustang Workshop Manual
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