Ford 2003 Mustang Workshop Manual page 3536

Is the voltage indicated in either measurement zero
volts?
F4 CHECK FOR SHORT TO GROUND AND POWER AT
DLC C251 — RCM C2041 DISCONNECTED
Key in OFF position.
Deactivate the air bag system; REFER to
20B .
Disconnect: RCM C2041.
Key in ON position.
Measure the voltage between DLC C251 Pin 7, Circuit 70
(LB/WH), harness side and C251 Pin 4, Circuit 1205
(BK); and between DLC C251 Pin 7, Circuit 70 (LB/WH),
harness side and C251 Pin 16, Circuit 1047 (LG/RD),
harness side.
Is the voltage indicated in either measurement zero
volts?
F5 CHECK FOR THE ANTI-LOCK BRAKE CONTROL
MODULE
Key in OFF position.
Connect: In-Line C3141.
Check the vehicle for any version of the anti-lock brake
control module.
Is the vehicle equipped with any version of the anti-
lock brake control module (with or without traction
control)?
F6 CHECK FOR SHORT TO GROUND AND POWER AT
DLC C251 — ANTI-LOCK BRAKE CONTROL MODULE C135
DISCONNECTED
Disconnect: Anti-Lock Brake Control Module C135.
Key in ON position.
Measure the voltage between DLC C251 Pin 7, Circuit 70
(LB/WH), harness side and C251 Pin 4, Circuit 1205
(BK); and between DLC C251 Pin 7, Circuit 70 (LB/WH),
harness side and C251 Pin 16, Circuit 1047 (LG/RD),
harness side.
Yes
REPAIR Circuit 70 (LB/WH)
Section 501-
between DLC C251, GEM
C201e, RCM C2041, and in-
line C314. TEST the system
for normal operation.
No
INSTALL a new RCM. REFER
to Section 501-20B
system for normal operation.
Yes
GO to
No
GO to
Yes
GO to
No
INSTALL a new anti-lock brake
control module. For additional
information on the anti-lock
brake control module without
traction control, REFER to
. TEST the
F6 .
F7 .
F7 .