FORD MUSTANG 2003 Workshop Manual

FUNCTION
Test Step Result / Action to Take
L1 BLEED THE BRAKE SYSTEM
z
Bleed the brake system. Refer to Section 206 - 00 .
z Check for vehicle tracking poorly.
z Does the vehicle track poorly? Yes
GO to
L2 .
No
The brake system is OK. TEST the
system for normal operation. L2 CHECK THE LF ABS VALVE OPERATION
z
Lift the vehicle and rotate all the wheels to
make sure they rotate freely (the vehicle must
be in neutral).
z NOTE: Trigger must be depressed twice.
Each press will run the pump motor for two
seconds.
z Trigger the anti- lock brake control module
active command PMP MOTOR ON for four
seconds.
z Apply moderate brake pedal effort.
z Have an assistant attempt to rotate the LF
wheel while the pump motor is running.
z Does the LF wheel rotate? Yes
INSTALL a new HCU; REFER to
Hydraulic Control Unit
. TEST the system
for normal operation.
No
GO to L3 .
L3 CHECK THE LF ABS VALVE RELEASE
z
Apply moderate brake pedal effort.
z Trigger the anti- lock brake control module
active command LF INLET and LF OUTLET.
z NOTE: The scan tool will energize the valves
for only two seconds per trigger press.
z Have an assistant rotate the LF wheel
immediately after depressing trigger.
z Does the LF wheel rotate? Yes
GO to
L4 .
No
GO to L8 .
L4 CHECK THE RF ABS VALVE OPERATION
z
NOTE: Trigger must be depressed twice.
Each press will run the pump motor for two
seconds.
z Trigger the anti- lock brake control module
active command PMP MOTOR ON for four
seconds.
z Apply moderate brake pedal effort.
z Have an assistant attempt to rotate the RF
wheel while the pump motor is running.
z Does the RF wheel rotate? Yes
INSTALL a new HCU; REFER to
Hydraulic Control Unit
. TEST the system
for normal operation.
No
GO to L5 .
L5 CHECK THE RF ABS VALVE RELEASE
z
Apply moderate brake pedal effort.
z Trigger the anti- lock brake control module
active command RF INLET and RF OUTLET.
z NOTE: The scan tool will energize the valves
for only two seconds per trigger press.
z Have an assistant rotate the RF wheel
immediately after depressing trigger.
z Does the RF wheel rotate? Yes
GO to
L6 .
No
GO to L8 .
L6 CHECK THE REAR ABS VALVE OPERATION
z
NOTE: Trigger must be depressed
twice.Each press will run the pump motor for Yes
INSTALL a new HCU; REFER to Klj . 15 ba
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two seconds.
z Trigger the anti- lock brake control module
active command PMP MOTOR ON for four
seconds.
z Apply moderate brake pedal effort.
z Have an assistant attempt to rotate the LR
and RR wheels while the pump motor is
running.
z Does the LR or RR wheel rotate? Hydraulic Control Unit . TEST the system
for normal operation.
No
GO to L7 .
L7 CHECK THE REAR ABS VALVE RELEASE
z
Apply moderate brake pedal effort.
z Trigger the anti- lock brake control module
active command R INLET and R OUTLET.
z NOTE: The scan tool will energize the valves
for only two seconds per trigger press.
z Have an assistant rotate the LR and RR
wheels immediately after depressing trigger.
z Does the LR or RR wheel rotate? Yes
The ABS system is operating correctly.
No
GO to
L8 .
L8 CHECK FOR DTCS
z
Carry out the anti- lock brake control module
self- test.
z Are any DTCs retrieved? Yes
GO to the Anti-
Lock Brake Control Module
Diagnostic Trouble Code (DTC) Index.
No
INSTALL a new HCU; REFER to
Hydraulic Control Unit . TEST the system
for normal operation. Klj . 16 ba
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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-
09A: Anti-Lock Control — Rear 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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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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3. Install the rear axle shaft bearing, refer to
Section 205 - 02A . Klj . 3 ba
32003 Mustang Workshop Manual
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REMOVAL AND INSTALLATION
Hydraulic Control Unit
Removal
1. Disconnect the battery ground cable(14301).
2. Disconnect the anti- lock-brake control module electrical connector.
3. NOTE: The 4 wheel anti- lock brake system (4WABS) with traction control is shown , the
4WABS without traction control system is similar with one less hydraulic line.
NOTE: Plug brake lines to prevent any brake fluid loss.
Disconnect the brake lines from the hydraulic control unit (HCU).
4. Remove the HCU bracket nuts to HCU.
5. Remove the HCU.
SECTION 206-
09A: Anti-Lock Control — Rear 2003 Mustang Workshop Manual Klj . 1 ba
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6. Remove the pump motor electrical connector.
7. Remove the anti-
lock-brake control module screws.
8. Remove the anti- lock-brake control module from the HCU.
Installation 1. NOTE: The brake system must be bled after the HCU is installed or replaced. Refer to Section 206 - 00 .
To install, reverse the removal procedure. Klj . 2 ba
32003 Mustang Workshop Manual
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Klj . 3 ba
32003 Mustang Workshop Manual
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REMOVAL AND INSTALLATION
Module
Removal
1. Remove the hydraulic control unit (HCU). Refer to Hydraulic Control Unit .
2. Remove the pump motor electrical connector.
3. Remove the anti- lock-brake control module screws.
4. Remove the anti- lock-brake control module from the HCU.
Installation
1. NOTE: The brake system must be bled after the HCU is installed or replaced. Refer to Section 206 - 00 .
To install, reverse the removal procedure.
SECTION 206-
09A: Anti-Lock Control — Rear 2003 Mustang Workshop Manual Klj . 1 ba
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Klj . 2 ba
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