Ford 2001 Ranger, Manual

Page: 60 / 1218

100-09-6 100-09-6 Powertrain Diagnostic Routines Identification
DIAGNOSIS AND TESTING (Continued)
ROUTINE 1: VEHICLE DOES NOT START/VEHICLE QUITS WHILE DRIVING (LEAD ACID VEHICLES)
TEST STEP ACTION TO TAKE
•
With key OFF, disconnect in-line C1939 on the traction battery support No = REPAIR the DG wire.
tray and connect BOB to in-line C1939M using Traction Battery Low
Voltage Service Cord; do not connect Traction Battery Low Voltage
Service Cord to traction battery support tray in-line C1939F.
•
With key OFF, measure the resistance of the DG wire between pin 35 on
TIM C4998 and BOB pin 24.
•
Is the resistance less than 5 ohms?
1-16 CHECK CIRCUIT 3997 (DG) (INSIDE OF TRACTION BATTERY
SUPPORT TRAY) FOR OPEN
•
Disconnect BOB from in-line C1939M, remove the traction battery, and Yes = REPLACE the contactor
connect Traction Battery High-Voltage Lockout and Diagnostic Tool to box. REFER to Section
the traction battery high-voltage two-pin C3994M. 414-03A .
No = REPAIR the DG wire.
WARNING: The traction battery contains high-voltage
components and wiring. High-voltage insulated safety gloves and face
shield must be worn when carrying out the following steps. Failure to
follow this warning may result in severe personal injury or death.
•
Connect 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 contactor box C1982 and measure the
resistance of the DG wire between pin 16 on contactor box C1982 and
BOB pin 24.
•
Is the resistance less than 5 ohms?
1-17 CHECK CIRCUIT 3997 (DG) (OUTSIDE TRACTION BATTERY
SUPPORT TRAY) FOR SHORT TO GROUND
•
With key OFF, disconnect BOB from TIM and TIM C4998, C4999. Yes = GO to 1-18.
•
With key OFF, disconnect in-line C1939 on the traction battery support No = REPAIR the DG wire.
tray and connect BOB to in-line C1939M using Traction Battery Low
Voltage Service Cord; do not connect Traction Battery Low Voltage
Service Cord to traction battery support tray in-line C1939F.
•
With key OFF, measure the resistance between BOB pin 24 and ground
(BOB pin 65).
•
Is the resistance greater than 10,000 ohms?
1-18 CHECK CIRCUIT 3997 (DG) (INSIDE OF TRACTION BATTERY
SUPPORT TRAY) FOR SHORT TO GROUND
•
Disconnect BOB from in-line C1939M, remove the traction battery, and Yes = REPLACE the TIM. REFER
connect Traction Battery High-Voltage Lockout and Diagnostic Tool to to Section 303-14 .
the traction battery high-voltage two-pin C3994M.
No = REPAIR the DG wire.
WARNING: The traction battery contains high-voltage
components and wiring. High-voltage insulated safety gloves and face
shield must be worn when carrying out the following steps. Failure to
follow this warning may result in severe personal injury or death.
•
Connect 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 contactor box C1982 and measure the
resistance BOB pin 24 and ground (BOB pin 65).
•
Is the resistance greater than 10,000 ohms?
1-19 CHECK STATUS OF TIM OPERATING STATE
•
With key ON, monitor TIM PID TIM OP. Yes = GO to 1-20.
•
Does the TIM OP PID indicate 20 (shutdown)?
No = System OK.
(Continued)
2001 Ranger EV, 01/2001