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 TM 9-2320-364-20-1
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact
positive electrical circuits, a direct short
may result. Damage to equipment, injury or
death to personnel may occur.
Allow engine to cool before performing
troubleshooting maintenance. If necessary
use insulated pads and gloves. Hot engine
components will burn and cause personnel
injury.
RESISTANCE TEST
(1) Remove two screws and heat shield
from DDEC ECM.
(2) Disconnect both injector harness
connectors at the DDEC ECM with
connector remover.
(3) Is there more than 1 ohm present
between injector harness connector
terminals when Codes 61-68 are
received. (Example: read
resistance between terminal G and L
for Code 61).
(4) Refer to Table 2-18 for injector
harness connector identification.
(a) If there is more than 1 ohm
present, go to Step 5 of this Fault.
(b) If there is 1 ohm or less present,
go to Step 6 of this Fault.
Terminal Identification
Injector
DDEC
Injector
Harness
CODE
Harness
Connector
No.
Connector
Terminal No.
Terminal No.
61
L
G
E
62
A
G
63
K
64
B
E
G
65
H
66
D
E
67
J
G
68
C
E
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