Ford 2003 Mustang Workshop Manual page 656

control module C135 Pins, harness side and
ground as follows:
Anti-Lock Brake Control
DTC Module C135 Pin
C1145
(RF)
C1155
(LF)
C1165
(RR)
C1175
(LR)
Is the resistance greater than 10,000 ohms?
F3 CHECK THE SUSPECT ANTI-LOCK BRAKE
SENSOR FOR A SHORT TO GROUND
Disconnect: Suspect Anti-Lock Brake Sensor.
Measure the resistance between suspect anti-lock
brake sensor Pin 1 (component side) and ground.
Is the resistance greater than 10,000 ohms?
F4 CHECK THE SUSPECT ANTI-LOCK BRAKE
SENSOR CIRCUIT FOR FOR AN OPEN
Key in OFF position.
Measure the resistance between anti-lock brake
control module C135 pins, harness side and
suspect anti-lock brake sensor, harness side as
follows:
Circuit
4 514
(YE/RD)
20 521
(TN/OG)
1 494
(TN/LG)
22 496 (OG)
No
GO to F3 .
Yes
If RF, REPAIR Circuit 514 (YE/RD)
and Circuit 516 (YE/BK), as
necessary. CLEAR the DTCs.
REPEAT the self-test. If LF, REPAIR
Circuit 521 (TN/OG) and Circuit 522
(TN/BK), as necessary. CLEAR the
DTCs. REPEAT the self-test. If RR,
REPAIR Circuit 494 (TN/LG) and
Circuit 492 (BN), as necessary.
CLEAR the DTCs. REPEAT the self-
test. If LR, REPAIR Circuit 496 (OG)
and Circuit 499 (GY/BK), as
necessary. CLEAR the DTCs.
REPEAT the self-test.
No
INSTALL a new anti-lock brake
sensor; REFER to Sensor—Front
Sensor—Rear . CLEAR the DTCs.
REPEAT the self-test.
Yes
GO to F5 .
No
REPAIR the circuit in question.
CLEAR the DTCs. REPEAT the self-
or