Ford 2001 Ranger, Manual

Page: 457 / 1218

414-03A-54 414-03A-54 High Voltage/Traction Battery
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST F: CHARGER LATCHUP FAULT
TEST STEP ACTION TO TAKE
NOTE: Wait approximately five minutes to allow the CHG OTF PID to
No = DISCONNECT the PCS
be set.
from the vehicle. GO to F2.
•
With key OFF and vehicle on-charge, monitor BCM PID CHG OTF.
•
Does the CHG OTF PID indicate YES?
F2 CHECK CIRCUIT 3800 (LG/BK) (OUTSIDE OF TRACTION
BATTERY SUPPORT TRAY) FOR OPEN
•
With key OFF, disconnect traction battery support tray in-line C1939 and Yes = GO to F3.
connect 104-Pin Breakout Box (BOB) to in-line C1939M using Traction
Battery Low-Voltage Service Cord; do not connect Traction Battery
Low-Voltage Service Cord to in-line C1939F.
•
With key OFF, disconnect traction battery charger C1991 and measure No = REPAIR the LG/BK wire.
the resistance of the LG/BK wire between pin 2 on traction battery
charger C1991 and BOB pin 55.
•
Is the resistance less than 5 ohms?
F3 CHECK CIRCUIT 3800 (LG/BK) (OUTSIDE OF TRACTION
BATTERY SUPPORT TRAY) FOR SHORT TO GROUND
•
With key OFF, measure the resistance between BOB pin 55 and ground Yes = GO to F4.
(BOB pin 65).
•
Is the resistance greater than 10,000 ohms?
No = REPAIR the LG/BK wire.
F4 CHECK CIRCUIT 3800 (LG/BK) (INSIDE OF TRACTION
BATTERY SUPPORT TRAY) FOR OPEN
•
Disconnect the BOB from in-line C1939M, remove the traction battery, Yes = GO to F5.
and connect Traction Battery High-Voltage Lockout and Diagnostic Tool
to the traction battery high-voltage two-pin C3994M.
No = REPAIR the LG/BK wire.
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 104-Pin Breakout Box (BOB) to traction battery support tray
in-line C1939F using Traction Battery Low-Voltage Service Cord; do not
connect Traction Battery Low-Voltage Service Cord to in-line C1939M.
•
With key OFF, disconnect BCM C1987 and measure the resistance of the
LG/BK wire between pin 14 on BCM C1987 and BOB pin 55.
•
Is the resistance less than 5 ohms?
F5 CHECK CIRCUIT 3800 (LG/BK) (INSIDE OF TRACTION
BATTERY SUPPORT TRAY) FOR SHORT TO GROUND
•
With key OFF, measure the resistance between BOB pin 55 and ground Yes = REPLACE the traction
(BOB pin 65). battery charger.
•
Is the resistance greater than 10,000 ohms?
No = REPAIR the LG/BK wire.
PINPOINT TEST G: CHARGER CYCLING FAULT
TEST STEP ACTION TO TAKE
G1 CHECK FOR OTHER BATTERY CONTROL MODULE (BCM)
DIAGNOSTIC TROUBLE CODES (DTCs)
NOTE: If vehicle was recently in a hot temperature environment, allow
Yes = REFER to Current Leakage
vehicle to cool down before proceeding.
Detection in this section.
•
Connect the vehicle to a power control station (PCS) and press the
START button to begin charging.
(Continued)
2001 Ranger EV, 01/2001