Ford 2003 Mustang Workshop Manual page 3529

Is the resistance less than 5 ohms?
A6 CHECK FOR OPEN BETWEEN DLC C251 AND ANTI-
LOCK BRAKE CONTROL MODULE C135 — CIRCUIT 915
(PK/LB)
Key in OFF position.
Disconnect the diagnostic tool.
Measure the resistance between anti-lock brake control
module C135 Pin 29, Circuit 915 (PK/LB), harness side
and DLC C251 Pin 10, Circuit 915 (PK/LB), harness
side.
Is the resistance less than 5 ohms?
A7 CHECK CIRCUIT 915 (PK/LB) BETWEEN DLC C251
AND IN-LINE C144 FOR OPEN
Disconnect: In-Line C144.
Check in-line C144 for damage; repair as necessary.
Measure the resistance between in-line C144 Pin 13,
Circuit 915 (PK/LB), harness side and DLC C251 Pin
10, Circuit 915 (PK/LB), harness side.
Is the resistance less than 5 ohms?
A8 CHECK CIRCUIT 915 (PK/LB) BETWEEN DLC C251
AND IN-LINE C215 FOR OPEN
Disconnect: In-Line C215.
Check in-line C215 for damage; repair as necessary.
Measure the resistance between in-line C215 Pin 13,
Circuit 915 (PK/LB), harness side and DLC C251 Pin
information, REFER to
Communication Circuit Wiring
Repair . TEST the system for
normal operation.
Yes
INSTALL a new anti-lock brake
control module. REFER to
Section 206-09B . TEST the
system for normal operation.
No
GO to A7 .
Yes
REPAIR Circuit 915 (PK/LB)
between anti-lock brake control
module C135 and in-line C144.
For additional information,
REFER to Communication
Circuit Wiring Repair . TEST the
system for normal operation.
No
GO to A8 .
Yes
REPAIR Circuit 915 (PK/LB)
between in-line C144 and in-line
C215. For additional