Ford 2001 Ranger, Manual

Page: 246 / 1218

303-14-3 303-14-3 Electric Motor Management
DIAGNOSIS AND TESTING (Continued)
Inspection and Verification
Refer to Section 100-07 .
Symptom Chart
Symptom Chart
Condition Possible Sources Action
•
DTC C1854 Motor
•
Motor/transaxle.
•
GO to Pinpoint Test A.
Temperature Out of Range
•
Circuit(s).
•
Traction inverter module
(TIM).
•
DTC C1856 Traction Motor
•
Motor/transaxle.
•
GO to Pinpoint Test B.
Encoder Circuit Failure
•
Traction inverter module
(TIM).
•
Circuit(s).
Pinpoint Test
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
Electric Motor/Transaxle Test Box 418-F211
PINPOINT TEST A: DTC C1854 MOTOR TEMPERATURE OUT OF RANGE
TEST STEP ACTION TO TAKE
A1 CHECK MOTOR TEMPERATURE SENSOR
•
Monitor the motor PID TRNTEMP and note the temperature. Yes = GO to A3.
•
With key OFF, disconnect motor/transaxle C4993 and connect the
Electric Motor/Transaxle Test Box.
•
Measure the resistance between the motor temperature ports on the test
box and determine the motor temperature from the following resistance
values below:
Resistances
—493 ohms=493
°
C (32
°
F)
—533 ohms=0
°
C (32
°
F)
—576 ohms=10
°
C (50
°
F)
—598 ohms=20
°
C (68
°
F)
—668 ohms=30
°
C (104
°
F)
—718 ohms=50
°
C (122
°
F)
—769 ohms=60
°
C (140
°
F)
—824 ohms=70
°
C (158
°
F)
—880 ohms=80
°
C (176
°
F)
—939 ohms=90
°
C (194
°
F)
—1000 ohms=100
°
C (212
°
F)
—1063 ohms=110
°
C (230
°
F)
—1129 ohms=120
°
C (248
°
F)
—1197 ohms=130
°
C (266
°
F)
—1268 ohms=140
°
C (284
°
F)
(Continued)
2001 Ranger EV, 01/2001