Ford 2001 Ranger, Manual

Page: 88 / 1218

100-09-34 100-09-34 Powertrain Diagnostic Routines Identification
DIAGNOSIS AND TESTING (Continued)
ROUTINE 9: VEHICLE DOES NOT CHARGE (NIMH VEHICLES)
TEST STEP ACTION TO TAKE
•
With key OFF, measure the resistance between BOB pins 14, 20 and Yes = CARRY OUT Pinpoint Test
ground (BOB pin 65). U: Power Control Station
(PCS) Operation Verification
Test. Refer to Traction
Battery Charging/Heating
System in Section 414-03B .
•
Are the resistances greater than 10,000 ohms?
No = REPAIR the wire(s) in
question.
9-18 CHECK CIRCUITS 3984 (R) AND 4009 (LB/R) (INSIDE OF
TRACTION BATTERY SUPPORT TRAY) FOR OPEN(S)
•
Disconnect BOB from in-line C1939M, remove the traction battery, and Yes = GO to 9-19.
connect Traction Battery High-Voltage Lockout and Diagnostic Tool to
the traction battery high-voltage two-pin C3994M.
No = REPAIR the wire(s) in
WARNING: The traction battery contains high-voltage
question.
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 independent observer module (IOM) C1810
and measure the resistance of the R wire between pin 33 on IOM C1810
and BOB pin 20.
•
With key OFF, measure the resistance of the LB/R wire between pin 34
on IOM C1810 and BOB pin 14.
•
Are the resistances less than 5 ohms?
9-19 CHECK CIRCUITS 3984 (R) AND 4009 (LB/R) (INSIDE OF
TRACTION BATTERY SUPPORT TRAY) FOR SHORT(S) TO
GROUND
•
With key OFF, measure the resistance between BOB pins 14, 20 and Yes = REPLACE the IOM.
ground (BOB pin 65).
•
Are the resistances greater than 10,000 ohms?
No = REPAIR the wire(s) in
question.
9-20 CHECK NEUTRAL CIRCUIT FOR OPEN
•
With key OFF, measure the resistance between pin 7 (DG wire) on Yes = GO to 9-21.
charger inlet C5000 and ground.
•
Is the resistance greater than 100 ohms?
No = GO to 9-22.
9-21 CHECK CIRCUIT 3174 (DG) FOR OPEN
•
With key OFF, disconnect traction battery charger C1938 and measure Yes = REPLACE the traction
the resistance of the DG wire between pin 7 on charger inlet C5000 and battery charger. REFER to
traction battery charger C1938. Section 414-03B .
•
Is the resistance less than 5 ohms?
No = REPLACE the charger inlet.
REFER to Section
414-03B .
9-22 CHECK CIRCUITS 3172 (O) AND 3173 (W) FOR OPEN(S)
•
With key OFF, disconnect traction battery charger C1938 and measure Yes = GO to 9-23.
the resistance of the O wire between pin 4 on charger inlet C5000 and
traction battery charger C1938.
•
With key OFF, measure the resistance of the W wire between pin 3 on No = REPLACE the charger inlet.
charger inlet C5000 and traction battery charger C1938. REFER to Section
•
Are the resistances less than 5 ohms?
414-03B .
(Continued)
2001 Ranger EV, 01/2001