Ford 2003 Mustang Workshop Manual page 648

Visual Inspection Chart
Mechanical
Low brake fluid
Anti-lock brake sensor
Anti-lock brake sensor indicator
Base brake system
3. 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:
1. Check that the program card is correctly installed.
2. Check the connections to the vehicle.
3. Check the ignition switch position.
4. If the scan tool still does not communicate with the vehicle, refer to the scan tool Manual.
5. Carry out the DATA LINK DIAGNOSTIC TEST. If the scan tool responds with:
1. CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418-
00.
2. NO RESP/NOT EQUIP for the anti-lock brake control module,
3. SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs),
erase the continuous DTCs and carry out self-test diagnostics for the anti-lock brake
control module.
6. If the DTCs retrieved are related to the concern, go to the Anti-Lock Brake Control Module
Diagnostic Trouble Code (DTC) Reference Chart to continue diagnostics.
7. If no DTCs related to the concern are retrieved, GO to
Anti-Lock Brake Control Module Diagnostic Trouble Code (DTC) Index
NOTE: If a wheel speed signal fault or a pump motor fault is detected, the yellow ABS warning
indicator cannot be reset with the key OFF and key ON method. The vehicle must be driven over 12
km/h (8 mph) for the anti-lock brake control module to carry out a re-check of the system before the
yellow ABS warning indicator is turned OFF.
Anti-Lock Brake Control Module Diagnostic Trouble Code (DTC) Index
DTC Description
B1318 Battery Voltage Low
B1342 ECU Is Defective
B1484 Brake Pedal Input Open Circuit
Electrical
Central junction box (CJB)Fuse:
15 (10A)
29 (15A)
33 (15A)
35 (15A)
Battery junction box (BJB) Fuse:
ABS 1 (50A)
ABS 2 (20A)
Circuitry
Damaged or corroded connectors
Yellow ABS warning indicator
Loose grounds
Symptom Chart
Source
ABS
ABS INSTALL a new anti-lock brake control module;
REFER to
ABS
Go To Pinpoint Test A
to continue diagnostics.
Action
Go To Pinpoint Test C
Module . REPEAT the self-test.
Go To Pinpoint Test D
.
.
.