Ford Ranger EV (2001 year). Manual — part 61
303-03-22
303-03-22
Engine Cooling
REMOVAL AND INSTALLATION (Continued)
Installation
1. To install, reverse the removal procedure.
•
After installation, bleed the cooling system.
Refer to
Bleed.
303-14-1
303-14-1
Electric Motor Management
SECTION 303-14 Electric Motor Management
VEHICLE APPLICATION:
Ranger EV
CONTENTS
PAGE
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . ...
DESCRIPTION AND OPERATION
Electric Motor Management . . . . . . . . . . . . . . . . . . .
DIAGNOSIS AND TESTING
Traction Inverter Module (TIM) Control System . . . . . . . . . . . . ..
Electrical Schematic . . . . . . . . . . . . . . . . . . . ...
Inspection and Verification . . . . . . . . . . . . . . . . . .
Pinpoint Test . . . . . . . . . . . . . . . . . . . . . .
Symptom Chart . . . . . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION
Traction Inverter Module (TIM). . . . . . . . . . . . . . . . . ..
303-14-2
303-14-2
Electric Motor Management
SPECIFICATIONS
Torque Specifications
Torque Specifications
Description
Nm
Lb-Ft
Lb-In
Description
Nm
Lb-Ft
Lb-In
TIM B,+ Cable
30
22
—
Ground Strap Bolt
12
—
107
Connector Nuts
TIM Bracket Bolts
20
14.5
—
TIM C Cable Connector
20
14.5
—
TIM Bracket to Frame
22
16
—
Nut
Bolts
TIM +,- Cable Sleeve
5
—
44.5
TIM Cover Plate Screws
5
—
44.5
Nuts
TIM A, B, C Cable
3
—
26
TIM Electrical
3
—
26.5
Sleeve Nuts
Connectors
TIM A,- Cable
15
11
—
TIM Mounting Bolts
22
16
—
Connector Nuts
(Continued)
DESCRIPTION AND OPERATION
Electric Motor Management
Electric motor management is accomplished by the
traction inverter module (TIM). The TIM is located
in the rear of the vehicle under the bed of the truck.
The TIM converts high-voltage direct current from
the traction battery into high-voltage, three-phase
alternating current to power the motor/transaxle.
Output from the TIM to the motor/transaxle is based
upon driver, sensor, and other module inputs.
•
DTC C1856 Traction Motor Encoder Circuit
DIAGNOSIS AND TESTING
Failure
Traction Inverter Module (TIM) Control
— The traction motor contains two vehicle speed
System
sensors (encoders) to provide two signals
Diagnostic Trouble Code (DTC) Definition
(channels A and B) to indicate the speed and
direction of the vehicle to the TIM. At speeds
The following DTCs relate to the traction inverter
greater than 16 km/h (10 mph), only one
module (TIM) control system:
signal is used to indicate speed. If one signal
•
DTC C1854 Motor Temperature Out of Range
fails, the other one will be used. Below 16
— The traction motor contains a temperature
km/h (10 mph), both signals are needed to
sensor in its stator field windings to indicate
determine direction. If one signal fails, DTC
the motor temperature. The TIM uses this
C1856 is set and the vehicle shuts down. The
input signal to determine current sinked and
TIM also uses the vehicle speed signal to
sourced to the motor. DTC C1854 is set if the
calculate the output to the speedometer.
signal is out of the normal range of 0.8 to 4.0
Electrical Schematic
volts. If this failure occurs, the malfunction
indicator lamp (MIL), red brake warning Refer to Electrical and Vacuum Troubleshooting
indicator, and power limit warning indicator Manual, Cell 26, Motor/Transaxle Control for
illuminate, and the TIM operates the motor at schematic and connector information.
reduced power.
303-14-3
303-14-3
Electric Motor Management
DIAGNOSIS AND TESTING (Continued)
Inspection and Verification
Refer to
Symptom Chart
Symptom Chart
Condition
Possible Sources
Action
•
DTC C1854 Motor
•
Motor/transaxle.
•
Temperature Out of Range
•
Circuit(s).
•
Traction inverter module
(TIM).
•
DTC C1856 Traction Motor
•
Motor/transaxle.
•
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 =
•
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)
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