Ford Ranger EV (2001 year). Manual — part 203
418-00-3
418-00-3
Module Communications Network
DESCRIPTION AND OPERATION (Continued)
The CTM is mounted to the instrument panel
The ECS module is located behind the instrument
behind the radio. The CTM controls essential and
panel next to the plenum assembly. The module
convenience features, such as windshield wipers,
controls the air bag deployment in a crash situation.
chime functions, and door ajar indication. Refer to
Refer to Section 418-00 and Section 501-20 of the
Section 419-10 of the Ranger Workshop Manual .
Ranger Workshop Manua.
Inspection and Verification
DIAGNOSIS AND TESTING
Communications Network
Refer to
Electrical Schematic
Refer to Electrical and Vacuum Troubleshooting
Manual, Cell 14, Multiplex Communication
Network for schematic and connector information.
System Precheck
PINPOINT TEST PC: DATA LINK DIAGNOSTICS NETWORK TEST
TEST STEP
ACTION TO TAKE
PC1 DATA LINK DIAGNOSTICS NETWORK TEST
•
Run the DATA LINK DIAGNOSTICS Network Test.
Yes =
Test PASSED.
•
Is SYSTEM PASSED obtained?
No =
If no response from NGS,
If CKT70, CKT914, and/or
CKT915 = SOME
MODULES NOT
RESP/NOT EQUIP, REFER
If CKT70 = ALL
MODULES NO RESP/NOT
If CKT914 = ALL
MODULES NO RESP/NOT
If CKT915 = ALL
If module in question is NO
RESPONSE/NOT
If module in question is NO
RESPONSE ON CKT914
(BUS+), REFER to
If module in question is NO
RESPONSE ON CKT915
418-00-4
418-00-4
Module Communications Network
DIAGNOSIS AND TESTING (Continued)
Symptom Chart
Symptom Chart
Condition
Possible Sources
Action
•
The Module Does Not
•
Wire or connection in ISO
Respond to the NGS Tester
9141 link circuit.
— Anti-Lock Brake Control
•
Anti-lock brake control
Module
module.
•
The Module Does Not
•
Wire or connection in SCP
Respond to the NGS Tester
circuit.
— Battery Control Module
•
Battery control module
(BCM)
(BCM).
•
The Module Does Not
•
Wire or connection in SCP
Respond to the NGS Tester
circuit.
— Interface Adapter
•
Interface adapter assembly
Assembly (IAA) Module
(IAA) module.
•
The Module Does Not
•
Wire or connection in SCP
Respond to the NGS Tester
circuit.
— Traction Inverter Module
•
Traction inverter module
(TIM)
(TIM).
•
No Module/Network
•
Wire or connection in ISO
Communication — ISO 9141
circuit.
Link
•
ISO link modules.
•
No Module/Network
•
Wire or connection in SCP
Communication — SCP Link
link circuit.
•
SCP link modules.
•
No Module/Network
•
Data link connector (DLC).
Communication
•
Fuse.
•
Circuitry.
•
NGS Tester.
Pinpoint Tests
Special Tool(s)
104-Pin Breakout Box (BOB) 418-049 (014-00950) or
equivalent
BCM/TIM Breakout Box (BOB) Adapter Cable
418-F212
BCM/TIM Breakout Box (BOB) Overlay 418-F220
Traction Battery Low Voltage Service Cord 418-F219
PINPOINT TEST A: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — ANTI-LOCK BRAKE
CONTROL MODULE
TEST STEP
ACTION TO TAKE
A1 CHECK CIRCUIT 70 (LB/W) BETWEEN DATA LINK
CONNECTOR (DLC) C209 AND ANTI-LOCK BRAKE CONTROL
MODULE C1942 FOR OPEN
•
With key OFF, disconnect anti-lock brake control module C1942 and
Yes =
NGS Tester. Inspect anti-lock brake control module C1942 and DLC
C209 for damage.
•
With key OFF, measure the resistance of the LB/W wire between pin 23
No =
on the anti-lock brake control module C1942 and pin 7 on DLC C209.
•
Are the connectors OK and is the resistance less than 5 ohms?
(Continued)
418-00-5
418-00-5
Module Communications Network
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST A: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — ANTI-LOCK BRAKE
CONTROL MODULE
TEST STEP
ACTION TO TAKE
A2 CHECK ANTI-LOCK BRAKE CONTROL MODULE C1942
CONNECTION
•
Reconnect anti-lock brake control module C1942 and rerun DATA LINK Yes =
System OK.
DIAGNOSTICS Network Test.
•
Does the anti-lock brake control module respond to NGS Tester?
No =
REPLACE the anti-lock
brake control module.
REFER to
A3 CHECK CIRCUIT 70 (LB/W) BETWEEN IN-LINE C1946F AND
DLC C209 FOR OPEN
•
With key OFF, disconnect in-line C1946F (evac/fill connector #1) from
Yes =
REPAIR the LB/W wire
in-line C1941M (evac/fill connector #2) and inspect C1946F and
between in-line C1941M and
C1941M for damage.
anti-lock brake control
•
With key OFF, measure the resistance of the LB/W wire between pin 7
module C1942.
on in-line C1946F and pin 7 on DLC C209.
•
Are the connectors OK and is the resistance less than 5 ohms?
No =
GO to A4.
A4 CHECK CIRCUIT 70 (LB/W) BETWEEN IN-LINE C134F AND
DLC C209 FOR OPEN
•
With key OFF, disconnect in-line C134 and inspect C134M and C134F
Yes =
REPAIR the LB/W wire
for damage.
between in-line C134M and
•
With key OFF, measure the resistance of the LB/W wire between pin 16
in-line C1946F.
on in-line C134F and pin 7 on DLC C209.
•
Are the connectors OK and is the resistance less than 5 ohms?
No =
REPAIR the connectors
and/or the LB/W wire
between in-line C134F and
DLC C209.
PINPOINT TEST B: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — BATTERY CONTROL
MODULE (BCM)
TEST STEP
ACTION TO TAKE
B1 CHECK FUSE, POWER, AND GROUND TO TRACTION
BATTERY SUPPORT TRAY
•
Check 10A fuse 12 in the electric vehicle power distribution box
Yes =
GO to B2.
(EVPDB).
•
With key OFF, disconnect traction battery support tray in-line C1939 and No =
REPAIR as necessary.
NGS Tester. Inspect C1939M, C1939F and DLC C209 for damage.
•
Connect 104-Pin Breakout Box (BOB) to traction battery support tray
in-line C1939 using Traction Battery Low Voltage Service Cord.
•
With key OFF, measure the voltage between BOB pins 45, 53 and
ground (BOB pin 65). (V > 10 volts)
•
With key OFF, measure the resistance between BOB pins 1, 37 and
ground. (R < 5 ohms)
•
Is everything OK?
B2 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN
IN-LINE C1939M AND DATA LINK CONNECTOR (DLC) C209 FOR
OPEN(S)
•
With key OFF, measure the resistance of the T/O wire between pin 2 on
Yes =
DLC C209 and BOB pin 59.
•
With key OFF, measure the resistance of the PK/LB wire between pin 10 No =
GO to B3.
on DLC C209 and BOB pin 58.
•
Are the resistances less than 5 ohms?
B3 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN
IN-LINE C1939M AND IN-LINE C136M FOR OPEN(S)
(Continued)
418-00-6
418-00-6
Module Communications Network
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST B: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — BATTERY CONTROL
MODULE (BCM)
TEST STEP
ACTION TO TAKE
•
With key OFF, disconnect in-line C136 and inspect C136M and C136F
Yes =
REPAIR the wire in
for damage.
question between in-line
•
With key OFF, measure the resistance of the T/O wire between pin 25
C136F and DLC C209.
on in-line C136M and BOB pin 59.
REFER to Communication
•
With key OFF, measure the resistance of the PK/LB wire between pin 21
Circuit Wiring Repair —
on in-line C136M and BOB pin 58.
Module in Section 418-00
of the 2001 Ranger
Workshop Manual.
•
Are the connectors OK and are the resistances less than 5 ohms?
No =
REPAIR the connectors
and/or the wire in question
between in-line C1939M and
in-line C136M. REFER to
Communication Circuit
Wiring Repair — Module in
Section 418-00 of the 2001
Ranger Workshop Manual.
B4 CHECK CIRCUITS 914 (T/O), 915 (PK/LB), 787 (PK/BK), 787
(PK/BK), 570 (BK/W), AND 57 (BK) BETWEEN IN-LINE C1939F AND
BATTERY CONTROL MODULE (BCM) C1986, C1987 FOR OPEN(S)
Yes =
REPLACE the BCM.
WARNING: The traction battery contains high-voltage
REFER to
components. High-voltage insulated safety gloves and face shield must
or
be worn when performing the following steps. Failure to follow this
warning may result in severe personal injury or death.
•
Remove the traction battery.
NOTE: There are two power feeds to the BCM with the same circuit
No =
REPAIR the connectors
number/wire color; circuit 787 (PK/BK wire). When performing continuity
and/or the wire in question
tests for these wires, pay close attention to the indicated pins.
between in-line C1939F and
•
With key OFF, disconnect BCM C1986, C1987 and inspect for damage.
BCM C1986 or C1987.
•
With key OFF, measure the resistance of the T/O wire between pin 21
REFER to Communication
on BCM C1987 and BOB pin 59.
Circuit Wiring Repair —
•
With key OFF, measure the resistance of the PK/LB wire between pin 20
Module in Section 418-00
on BCM C1987 and BOB pin 58.
of the 2001 Ranger
•
With key OFF, measure the resistance of the PK/BK wire between pin
Workshop Manual for
10 on BCM C1986 and BOB pin 53.
repair of circuit 914 (T/O
•
With key OFF, measure the resistance of the PK/BK wire between pin
wire) and circuit 915
20 on BCM C1986 and BOB pin 45.
(PK/LB).
•
With key OFF, measure the resistance of the BK/W wire between pins 4,
5 on BCM C1986 and BOB pin 37.
•
With key OFF, measure the resistance of the BK wire between pin 33 on
BCM C1986 and BOB pin 1.
•
Is the connector OK and are the resistances less than 5 ohms?
PINPOINT TEST C: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — INTERFACE
ADAPTER ASSEMBLY (IAA) MODULE
TEST STEP
ACTION TO TAKE
C1 CHECK FUSE, POWER, AND GROUND TO INTERFACE
ADAPTER ASSEMBLY (IAA) MODULE
•
Check 10A fuse 9 in the electric vehicle power distribution box
Yes =
(EVPDB).
(Continued)
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