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Page Title:
BACK-UP ALARM DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
3. BACK-UP ALARM DOES NOT OPERATE (CONT).
12
KNOWN INFO
TEST OPTIONS
Back-up alarm OK.
Voltage test.
Is 24 vdc present at
Connector J1 OK.
STE/ICE-R 89.
connector P2-1?
Connector P1 OK.
REASON FOR QUESTION
Wire 21 OK.
This question eliminates possible
Back-up switch OK.
problems and determines where
Wire 20 OK.
troubleshooting continues.
Circuit breaker CB2 OK.
Wire 5 OK.
Relay K2 OK.
Wire 3 OK.
Relay K1 OK.
Wire 1 OK.
Circuit breaker CB6 OK.
POSSIBLE PROBLEMS
Repair connector
NO
Connector J2 faulty.
P2 or wire 9
Connector P2 faulty.
(Para 8-49).
Wire 9 faulty.
YES
Go to Step 19 of
this fault.
13
KNOWN INFO
TEST OPTIONS
Back-up alarm OK.
Voltage test.
Is 24 vdc present at starter
Connector J1 OK.
STE/ICE-R 89.
motor solenoid where wire 9
Connector P1 OK.
REASON FOR QUESTION
connects?
Wire 21 OK.
This question eliminates possible
Back-up switch OK.
problems and determines where
Wire 20 OK.
troubleshooting continues.
Circuit breaker CB2 OK.
Wire 5 OK.
Relay K2 OK.
Wire 3 OK.
Relay K1 OK.
Wire 1 OK.
Circuit breaker CB6 OK.
POSSIBLE PROBLEMS
Service or replace
NO
Connector J2 faulty.
battery cable
Connector P2 faulty.
(Para 8-44).
Wire 9 faulty.
YES
Go to Step 20 of
this fault.
2-76
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