Ford 2001 Ranger, Manual

Page: 424 / 1218

414-03A-21 414-03A-21 High Voltage/Traction Battery
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST A: DTC B2517 EMERGENCY POWER OFF SYSTEM FAULTED
TEST STEP ACTION TO TAKE
WARNING: The traction battery contains high-voltage
components and wiring. High-voltage insulated safety gloves and face
shield must be worn when performing the following steps. Failure to
follow this warning may result in severe personal injury or death.
•
NOTE: Contactor box C3985 is mounted on the passenger side of the
BCM.
With key OFF, disconnect contactor box C3985 and measure the voltage
between the R wire on contactor box C3985 and ground.
•
Is the voltage greater than 10 volts?
A13 CHECK POWER TO TRACTION INVERTER MODULE (TIM)
TWO-PIN HIGH-VOLTAGE CONNECTOR
•
With key OFF, disconnect traction battery high-voltage two-pin C3994. Yes = GO to A15.
•
With key OFF, measure the voltage between both interlock pins on the No = GO to A14.
traction battery support tray C3994M and ground.
•
Is the voltage greater than 10 volts on one of the interlock pins?
A14 CHECK POWER TO TRACTION BATTERY SUPPORT TRAY
•
With key OFF, disconnect traction battery support tray in-line C1939 and Yes = REMOVE the traction
connect BOB to traction battery support tray in-line C1939F and in-line battery and REPAIR circuit
C1939M using Traction Battery Low-Voltage Service Cord. 974 (O wire) between
traction battery support tray
in-line C1939F and traction
battery support tray
C3994M.
•
With key OFF, measure the voltage between BOB pin 47 and ground No = REPAIR circuit 974 (O
(BOB pin 65). wire) between in-line
•
Is the voltage greater than 10 volts?
C1939M and S1963.
A15 CHECK TIM HIGH-VOLTAGE TWO-PIN CONNECTOR
INTERLOCK FOR OPEN
•
With key OFF, measure the resistance between the interlock pins on TIM Yes = GO to A16.
high-voltage two-pin C3994F.
•
Is the resistance less than 5 ohms?
No = REPLACE the high-voltage
harness (14B322) between
the TIM and traction battery
support tray.
A16 CHECK POWER TO CONTACTOR BOX
•
Remove the traction battery and connect Traction Battery High-Voltage Yes = REPLACE the contactor
Lockout and Diagnostic Tool to the traction battery high-voltage two-pin box.
C3994M.
•
Connect Traction Battery High-Voltage Service Cord to traction battery No = REPAIR the Y wire
support tray in-line C1935F and in-line C1935M. between the contactor box
and traction battery support
tray C3994M.
WARNING: The traction battery contains high-voltage
components and wiring. High-voltage insulated safety gloves and face
shield must be worn when performing the following steps. Failure to
follow this warning may result in severe personal injury or death.
•
Connect Traction Battery Low-Voltage Service Cord to traction battery
support tray in-line C1939F and in-line C1939M.
•
With key OFF, disconnect contactor box C1982 and measure the voltage
between pin 6 (Y wire) on contactor box C1982 and ground.
•
Is the voltage greater than 10 volts?
2001 Ranger EV, 01/2001