Ford 2003 Mustang Workshop Manual page 687

Is the voltage greater than 10 volts?
E3 CHECK CIRCUIT 1205 (BK) FOR AN OPEN
Measure the resistance between anti-lock brake control module
C141 Pin 12, Circuit 1205 (BK), harness side and ground.
Is the resistance less than 5 ohms?
E4 CHECK THE PUMP MOTOR FOR OPERATION
Disconnect: Pump Motor Connector.
Connect a 30A fused heavy jumper wire between the positive battery
post and pump motor connector Pin 1 (component side); and
momentarily connect a heavy jumper between negative battery post
and pump motor connector Pin 2 (component side).
Does the pump motor operate?
PINPOINT TEST F: DTC C1145 (RF), C1155 (LF), C1165 (RR), C1175
(LR), ANTI-LOCK BRAKE SENSOR INPUT CIRCUIT FAILURE
F1 CHECK THE SUSPECT ANTI-LOCK BRAKE
SENSOR CIRCUIT FOR SHORT TO POWER
Key in OFF position.
Disconnect: Anti-Lock Brake Control Module C141.
Key in ON position.
Test Step
Yes
GO to
No
REPAIR the circuit.
CLEAR the DTCs.
REPEAT the self-
test.
Yes
INSTALL a new
anti-lock brake
control module;
REFER to
REPEAT the self-
test.
No
INSTALL a new
HCU; REFER to
Hydraulic Control
Unit . CLEAR the
DTCs. REPEAT
the self-test.
Result / Action to Take
Yes
REPAIR the circuit in question.
CLEAR the DTCs. REPEAT the self-
E4 .
Module .