TM 9-2320-387-24-l
REFERENCE INFORMATION
,
Repair lead connectors
(para. 4-80).
Repair lead (para. 4-80).
0 11
. .
PROTECTIVE CONTROL BOX
IGNITION
SWITCH
POSlTlON
DIAGNOSTIC
CHECKS
(GO TASKS)
OFF
LEDs l&4.6,7
- ON: Remaining LEDs OFF.
RUN
LEDs 12.3.4.5.6,7.6.11.13-ON.
LED 13 - OFF aher a few seconds (glow plug warm-up tie).
ENGINE NOT
RUNNING)
LED 13 -OFF
(if engine is at operating temperature).
LED 11 - CYCLING ON and OFF (glow plug controller operation).
LEDs 9.10.12 - OFF.
Release parking brake lever. LED 6 -OFF.
Engage parking brake lever. LED 6 - ON.
START
(ENGINE
CRANKING)
LED 10 - Momentarily ON and then remains OFF (stafier motor
hequenoy lookout).
RUN
(ENGINE
RUNNING)
LEDs 12.3.4.6.6.7.6.9.12
-ON.
LED 11. cycling ON and OFF (glow plug controller operation):
OFF
time interval inoreases as engine warms up.
LED 11 - OFF (v&en en
LED 11 may remain OF P
‘ne is at operating temperature).
from previous run).
(when engine is at operating
temperature
LED 13 -OFF.
Release pa&icing brake lever. LED 6 - OFF.
Engage parking brake lever. LED 6 -ON.
WARNING
Disconnect
negative battery cable
before disconnecting
and reconnecting
PCS harness. Failure to do so may
result in injury to personnel or damage
to equipment.
Replace
PC6 (para. 44).
2-221
