Ford 2001 Ranger, Manual

Page: 442 / 1218

414-03A-39 414-03A-39 High Voltage/Traction Battery
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST A: DTC C1839 LEAKAGE FAULT
TEST STEP ACTION TO TAKE
•
With key ON, monitor BCM PID LEAK ID and note the indicated Yes = REPLACE high-voltage
battery module. harness (10B694) and/or the
high-voltage harness
(14A280) in question.
NOTE: If there is no continuity between the indicated battery module and
No = REPLACE the contactor
chassis ground, check for continuity between chassis ground and the
box.
positive (+) posts of the two battery modules before and after the indicated
battery module.
•
With key OFF, disconnect BCM C1865 and C1866, and check for
continuity between the positive (+) post of the indicated battery module
and chassis ground.
•
Is there continuity?
A59 CHECK FOR CURRENT LEAKAGE IN TRACTION BATTERY
CHARGER OR HVPDB
•
With key OFF, remove (if connected) Auxiliary Interlock Tool, and Yes = REPLACE the HVPDB.
reconnect in-line interlock C1948 and high-voltage auxiliary load in-line
C1935 to the traction battery support tray.
•
With key OFF, remove the high-voltage power distribution box No = REPLACE the traction
(HVPDB) cover and disconnect HVPDB C1923 (to traction battery battery charger.
charger).
•
Reinstall the HVPDB cover.
•
With key ON, enter BCM active command mode CONTACTOR
OUTPUT CONTROL, monitor BCM PID , and set the active
command CHARGER to CLOSE.
•
Wait approximately 50 seconds.
•
Does the PID indicate less than 50,000 ohms?
A60 CHECK FOR CURRENT LEAKAGE IN AUXILIARY LOAD
POSITIVE (+) BUS, CONTACTOR BOX, OR HVPDB
•
With key OFF, disconnect high-voltage auxiliary load in-line C1935 on Yes = REPLACE the contactor
the traction battery support tray. box.
•
Connect Auxiliary Interlock Tool to the high-voltage auxiliary load No = GO to A61 (leakage is in
in-line C1935 on the traction battery support tray and in-line interlock auxiliary load + bus or
C1948 (located behind the HVPDB). HVPDB).
•
With key ON, monitor BCM PID .
•
Wait approximately 50 seconds.
•
Does the PID indicate less than 50,000 ohms?
A61 CHECK FOR CURRENT LEAKAGE IN POWER STEERING
ASSEMBLY
•
With key OFF, remove Auxiliary Interlock Tool and reconnect in-line Yes = GO to A62.
interlock C1948 and high-voltage auxiliary load in-line C1935 to the
traction battery support tray.
•
With key OFF, disconnect power steering assembly high-voltage C1895. No = REPLACE the power
•
Connect Power Steering Interlock Tool to power steering assembly steering assembly. REFER
C1895. to Section 211-02.
•
With key ON, monitor BCM PID .
•
Wait approximately 50 seconds.
•
Does the PID indicate less than 50,000 ohms?
A62 CHECK FOR CURRENT LEAKAGE IN A/C COMPRESSOR
•
With key OFF, disconnect A/C inverter motor controller (IMC) Yes = GO to A63.
high-voltage C1902 (to A/C compressor).
•
With key ON, monitor BCM PID . No = REPLACE the A/C
•
Wait approximately 50 seconds. compressor. REFER to
•
Does the PID indicate less than 50,000 ohms?
Section 412-03.
(Continued)
2001 Ranger EV, 01/2001