Restricted To Transport - Axle Lockout Valve Stb Or Oc - JLG 1250AJP Troubleshooting Manual

SECTION 1 - FAULT DICTIONARY AND SELECTED TROUBLESHOOTING

1.265 RESTRICTED TO TRANSPORT - AXLE LOCKOUT VALVE STB OR OC

Flash Code: 3-3
Restricted to transport - Axle lockout valve short to battery or open circuit. The control system detected a short to battery or
an open circuit on the PWM output for the Axle Lockout valve.
Note Pretest Instructions
1.265.1
1.265.2 Disconnect the axle lockout
valve solenoid DIN connec-
tor [X212]
1.265.3
1.265.4
1.265.5
1.265.6
1.265.7
1.265.8
1.265.9
1.265.10 Disconnect the axle lockout
valve solenoid DIN connec-
tor [X212]
1.265.11 Remove terminal 8 of the
chassis (bottom) swivel
connector [X216.8]
1-134
Test
Is the resistance of the axle lockout valve sole-
noid [X212] 6.2Ω
Does the voltage between the positive battery
terminal [X116] and terminal 2 of the Axle
Lockout valve solenoid DIN connector
[X212.2.soc] measure 12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 2 of the chassis
module J4 connector [X232.2.pin] measure
12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 4 of the chassis
module J1 connector [X229.4] measure
12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 5 of the chassis
(bottom) swivel connector [X216.5] measure
12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 5 of the Turntable
(top) Swivel connector [X083.5] measure
12VDC?
Does the voltage between the positive battery
terminal [X116] and any terminal of the 12
position MTB ground buss connector [X009]
measure 12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 3 of the ground
module J8 connector [X008.3] measure
12VDC?
Does the voltage between the positive battery
terminal [X116] and terminal 1 of the ground
module J8 connector [X008.1] measure
12VDC?
Does the voltage on terminal 1 of the axle lock-
out valve solenoid DIN connector
[X212.1.soc] measure 12VDC?
Does the voltage on terminal 1 of the axle lock-
out valve solenoid DIN connector
[X212.1.soc] measure 12VDC?
1250AJP
Result Corrective Action
Yes Go to step 1.265.2
No Replace the axle lockout valve solenoid
Yes Go to step 1.265.10
No Go to step 1.265.3
Yes Repair/replace the black wire between terminal 2
of the axle lockout valve solenoid DIN connector
[X212.2.soc] and terminal 2 of the chassis mod-
ule J4 connector [X232.2.soc]
No Go to step 1.265.4
Yes Replace the chassis module
No Go to step 1.265.5
Yes Repair/Replace the black wire between terminal 5
of the chassis (bottom) swivel connector
[X216.5] and terminal 4 of the chassis module J1
connector [X229.4]
No Go to step 1.265.6
Yes Replace the Collector Ring and swivel harness
No Go to step 1.265.7
Yes Replace the valve harness
No Go to step 1.265.8
Yes Repair/Replace the Black wire between terminal 3
of the ground module J8 connector [X008.3] and
the MTB ground buss connector [X009]
No Go to step 1.265.9
Yes Replace the ground module
No Repair/Replace the Black wire from the battery
Yes Go to step 1.265.11
No Go to step 1.265.15
Yes Repair/replace the ORANGE 60-2 wire between
terminal 1 of the axle lockout valve solenoid con-
nector [212.1] and terminal 8 of the chassis (bot-
tom) swivel connector [X216.8]
No Go to step 1.265.12
3128411