Ford 2001 Ranger, Manual

Page: 163 / 1218

206-09-3 206-09-3 Anti-Lock Control
•
DTC B1342 ECU Is Defective
DIAGNOSIS AND TESTING
Anti-Lock Control
— DTC C1267 is generated when the anti-lock
brake control module detects an internal
Diagnostic Trouble Code (DTC) Definition
failure.
The following DTCs relate to the anti-lock brake
•
DTC B1676 Battery Voltage Out of Range
system (ABS):
— DTC B1676 is generated when the anti-lock
•
DTC C1095 Hydraulic Pump Motor Circuit
brake control module detects the battery
Failure
voltage is less than 9 volts on the internal
ignition RUN signal for more than 200
— DTC C1095 is generated when the anti-lock
milliseconds with the vehicle speed greater
brake control module detects that the pump
than 20 km/h (12 mph) (operational) or any
motor cannot run when commanded to do so
speed (self-test), or battery voltage is greater
or is running erroneously. The anti-lock brake
than 19 volts on the internal ignition RUN
control module checks the pump operation at
signal for more than 0.5 milliseconds. The
key ON. If the brake pedal is depressed, the
DC/DC converts high-voltage to low voltage
test will be delayed until the brake pedal is
for various low voltage systems. Less than 10
released. This motor test occurs each time the
volts may be present during this test and the
vehicle is started or at the end of an ABS
DC/DC may not be on-line continuously. This
event. The motor will run during ABS events
DTC can be set from a DC/DC circuit that is
causing pedal pulsations.
failing intermittently.
•
DTCs C1145, C1155, C1165, and C1175, Speed
The following DTCs relate to the traction inverter
Sensor Input Circuit Failure
module (TIM) and anti-lock brake control module
— These DTCs are generated when the anti-lock
interface:
brake control module detects an open or short
to ground in the circuits to the anti-lock brake
•
DTC C1184 ABS System Is Not Operational
sensor, an open or shorted sensor coil, or an
— The anti-lock brake control module has a fault
open or shorted trigger circuit in the anti-lock
line which it uses to notify the traction
brake control module.
inverter module (TIM) when an anti-lock
•
DTCs C1233, C1234, C1235, and C1236,
brake system (ABS ) fault occurs. The
Anti-Lock Brake — Input Signal Missing
anti-lock brake control module outputs a 12
volt signal that it pulls low (0 volts) when it
— These DTCs are generated when the anti-lock
detects an ABS fault. This signal stays low
brake control module detects a missing sensor
until the concern has been corrected. The TIM
signal causing unwarranted ABS cycling or an
generates DTC C1184 and disables
extended locked wheel behavior.
regenerative braking during normal operation
•
DTC C1267 ABS Functions — Temporarily
when it detects the ABS fault line is low. If
Disabled
DTC C1184 occurs, the malfunction indicator
— DTC C1267 is generated when the anti-lock
lamp (MIL), red brake warning indicator, and
brake control module detects an internal
yellow ABS warning indicator are illuminated.
failure.
2001 Ranger EV, 01/2001