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Page Title:
PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES NOT ILLUMINATE (cont) |
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 TM 9-2320-366-20-1
e31. PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES
NOT ILLUMINATE (CONT)
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
7.
Continuity Test or
Parking brake operates.
STE/ICE-R Test #91
Circuit breaker CB77 OK.
Is continuity present from
REASON FOR QUESTION
Parking brake indicator lamps
lighted indicator display
OK.
If continuity is not present,
socket 27 to socket 22?
Emergency brake indicator
lighted indicator display is
lamps OK.
faulty.
POSSIBLE PROBLEMS
Faulty lighted indicator display.
NO
Faulty dashboard cable
assembly.
Faulty front lights cable
assembly.
Faulty low pressure transmitter.
Replace lighted indicator
YES
display (para 7-16).
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
8.
Continuity Test or
Parking brake operates.
STE/ICE-R Test #91
Circuit breaker CB77 OK.
Is continuity present from
REASON FOR QUESTION
Parking brake indicator lamps
connector PX7 pin 22 to
OK.
If continuity is not present,
connector J27 socket 16?
Emergency brake indicator
wire 1616 is faulty.
lamps OK.
Lighted indicator display OK.
POSSIBLE PROBLEMS
NO
Faulty dashboard cable
assembly.
Faulty front lights cable
assembly.
Repair wire 1616 from splice E2 to
Faulty low pressure transmitter.
connector J27 socket 16 (para 2-45) or
YES
replace WTEC II dashboard cable assembly
(para 7-10) or WTEC III dashboard
cable assembly (para 7-11).
2-464
Change 1
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