JLG 1250AJP Troubleshooting Manual page 75

Note Pretest Instructions
1.93.10
1.93.11
1.93.12
1.93.13
1.93.14 For help with this type of test
see 6.2 Continuity Mea-
surement Over Long Dis-
tances on Pg. 321
1.93.15
1.93.16 For help with this type of test
see 6.2 Continuity Mea-
surement Over Long Dis-
tances on Pg. 321
1.93.17
3128411
SECTION 1 - FAULT DICTIONARY AND SELECTED TROUBLESHOOTING
Test
Is there CAN HI continuity between terminal 3
of the MTB pass thru - 19 position connector
[X043.3] and terminal 13 of the ground mod-
ule J7 connector [X007.13] and CAN LO conti-
nuity between terminal 2 of the MTB pass thru
- 19 position connector [X043.2] and terminal
24 of the ground module J7 connector
[X007.24]?
Is there CAN HI continuity between terminal A
of the platform module side of the 3 way CAN
connector in the main terminal box [X270.A]
and terminal 13 of the ground module J7 con-
nector [X007.13] and CAN LO continuity
between terminal B of the platform module
side of the 3 way CAN connector in the main
terminal box [X270.B] and terminal 24 of the
ground module J7 connector [X007.24]?
Is there CAN HI continuity between terminal A
of the 3 way CAN connector [X014.A] and ter-
minal 13 of the ground module J7 connector
[X007.13] and CAN LO continuity between ter-
minal B of the 3 way CAN connector [X269.B]
and terminal 24 of the ground module J7 con-
nector [X007.24]?
Is the MAIN ANGL1 CAN COMMUNICATIONS
LOST fault active in the fault log?
Is there CAN HI continuity between terminal 4
of the main boom angle #1 connector
[X048.4] and terminal 13 of the ground mod-
ule J7 connector [X007.13] and CAN LO conti-
nuity between terminal 5 of the main boom
angle #1 connector [X048.5] and terminal 24
of the ground module J7 connector
[X007.24]?
Is the MAIN ANGL2 CAN COMMUNICATIONS
LOST fault active in the fault log?
Is there CAN HI continuity between terminal 4
of the main boom angle #2 connector
[X049.4] and terminal 13 of the ground mod-
ule J7 connector [X007.13] and CAN LO conti-
nuity between terminal 5 of the main boom
angle #2 connector [X049.5] and terminal 24
of the ground module J7 connector
[X007.24]?
Does the BLAM software version show "??" in
ANALYZER ⇒ DIAGNOSTICS ⇒ VERSIONS
⇒ B.L.A. MODULE SOFTWARE:??
1250AJP
Result Corrective Action
Yes Check the RED, BLACK, and Shield wires
between the MTB pass thru - 19 position connec-
tor [X043] and the tower boom passthru - 19
position connector [X045]
No Go to step 1.93.11
Yes Check the RED, BLACK, and Shield wires
between the platform module side of the 3 way
CAN connector in the main terminal box [X270]
and the MTB pass thru - 19 position connector
[X043]
No Go to step 1.93.12
Yes Repair/Replace the 3 way CAN connector in the
main terminal box [X014 X269 X270]
No Repair/Replace the harness between the 3 way
CAN connector in the main terminal box [X014]
and the ground module J7 connector [X007]
Yes Go to step 1.93.14
No Go to step 1.93.15
Yes Go to step 1.93.15
No Check the RED, BLACK, and Shield wires be-
tween the main boom angle #1 connector
[X048] and the ground module J7 connector
[X007]. See step 1.93.6
Yes Go to step 1.93.16
No Go to step 1.93.17
Yes Go to step 1.93.17
No Check the RED, BLACK, and Shield wires be-
tween the main boom angle #2 connector
[X049] and the ground module J7 connector
[X007]. See step 1.93.6
Yes Go to step 1.93.18
No Go to step 1.93.19
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