Ford 2001 Ranger, Manual

Page: 279 / 1218

310-02-3 310-02-3 Acceleration Control
•
DTC C1855 Acceleration Position Sensor Conflict
DIAGNOSIS AND TESTING
Acceleration Control
— DTC C1855 is set if there is a conflict
between the three accelerator position sensor
Diagnostic Trouble Code (DTC) Definition
(APS) signals. It may also occur if there is an
The following DTCs relate to the acceleration
out of range condition for the sensors (DTC
position sensor (APS):
C1750). If this failure occurs, the malfunction
indicator lamp (MIL) illuminates, the power
•
DTC C1750 Acceleration Position Sensor Out Of
limit warning indicator flashes, and the motor
Range
is capable of only creep torque (limited
— The accelerator position sensor (APS) is
power).
mounted to the accelerator pedal assembly and
Electrical Schematic
consists of three integrated sensors that
indicate the accelerator pedal position to the
Refer to Electrical and Vacuum Troubleshooting
traction inverter module (TIM). DTC C1750 is
Manual, Cell 26, Motor/Transaxle Control
for
set when one or more of these sensors are out
schematic and connector information.
of range. If this failure occurs, the malfunction
Inspection and Verification
indicator lamp (MIL) illuminates, the power
limit warning indicator flashes, and the motor
Refer to Section 100-07 .
is capable of only creep torque (limited
power).
Symptom Chart
Symptom Chart
Condition Possible Sources Action
•
DTC C1750 Acceleration
•
Traction inverter module
•
GO to Pinpoint Test A.
Position Sensor (APS) Out of (TIM).
Range
•
Circuit(s).
•
acceleration position sensor
(APS).
•
DTC C1855 Acceleration
•
Traction inverter module
•
GO to Pinpoint Test B.
Position Sensor (APS) (TIM).
Conflict
•
Circuit(s).
•
acceleration position sensor
(APS).
Pinpoint Tests
Special Tool(s)
104-Pin Breakout Box (BOB) 418-049 (014-00950) or
equivalent
BCM/TIM Breakout Box (BOB) Adapter Cable
418-F212
BCM/TIM Breakout Box (BOB) Overlay 418-F220
PINPOINT TEST A: DTC C1750 ACCELERATION POSITION SENSOR (APS) OUT OF RANGE
TEST STEP ACTION TO TAKE
A1 CHECK ACCELERATION POSITION SENSOR ONE (APS1)
SIGNAL
•
With key ON, monitor the traction inverter module (TIM) PID AP1V. Yes = GO to A7.
(Continued)
2001 Ranger EV, 01/2001