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 TM 9-2320-364-20-1
SCREW
Allow engine to cool before performing
SUNSHIELD
troubleshooting maintenance. If necessary
use insulated pads and gloves. Hot engine
INSTRUMENT PANEL
components will burn and cause injury to
personnel.
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.
TPS HARNESS
DDEC ECM connector terminals are easily
CONNECTOR
damaged. Use care when connecting and
MC6
disconnecting connectors.
VISUAL INSPECTION
916 A
(1) Check terminals at vernier control
and harness connector for damage;
417 B
VERNIER CONTROL
bent, corroded and unseated pins or
HARNESS CONNECTOR
952 C
terminals.
MC38
(a) If terminals are damaged, repair
connector (Para 7-101) and
100
perform Steps (2) through (5)
psi
below.
150
AIR
(b) If terminals are not damaged,
PRESS
replace vernier control (Para 7-100)
and perform Steps (2) through (5)
916 C
below.
(2) Connect vernier control harness
1525 B
connector MC38.
(3) Connect TPS harness
952 A
connector MC6.
(4) Connect vehicle harness connector
MC18 and tighten screw.
VERNIER CONTROL
(5) Install instrument panel and
sunshield with ten screws.
SCREW
DDR TEST
(1) Turn ON ENGINE switch
(TM 9-2320-364-10).
(2) Select MODE 07 (TPS COUNTS) for
display on the DDR.
(3) Read throttle counts at idle and at full
A
508
916
throttle (engine not running).
B
419 509 439
C
901 900 952
(a) If throttle count is 20 to 30 at
510 417
D
idle and 200 to 235 at full throttle,
E
451
perform Steps (4) and (5) below
and go to Step 9 of this Fault.
(b) If throttle count is not 20 to 30 at
F
idle and 200 to 235 at full throttle,
G
perform Steps (4) and (5) below
H
524 115
VEHICLE
J
908
and go to Step 8 of this Fault.
K
505 902
HARNESS
(4) Turn OFF ENGINE switch.
CONNECTOR
(5) Disconnect DDR from DDL
1
2
3
connector MC13.
MC18
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