Function Problem - Engine Choke Permanently Selected; Function Problem - Engine Start Permanently Selected - JLG T350 Troubleshooting Manual

2.57 FUNCTION PROBLEM - ENGINE CHOKE PERMANENTLY SELECTED

Distress Lamp: 1
The ground engine choke switch was closed when the machine was powered. The switch could be accidentally held,
mechanically stuck, or electrically shorted.
ENGINE POWERED MACHINES ONLY
Functions Disabled: Engine Choke Pull, Engine Choke Hold
Step Pretest Instructions
2.57.1
2.57.2 Disconnect X035. Place key
switch in ground position and
pull the emergency stop
switch.
2.57.3 Remove X014.13.pin from
X014. Place key switch in
ground position and pull the
emergency stop switch.
2.57.4 Pull the emergency stop
switches and place key switch
in the ground position

2.58 FUNCTION PROBLEM - ENGINE START PERMANENTLY SELECTED

Distress Lamp: 1
The platform engine start switch was closed when the platform was powered. The switch could be accidentally held,
mechanically stuck, or electrically shorted.
ENGINE POWERED MACHINES ONLY
Functions Disabled at Platform Only: Engine Start, Engine Throttle Pull, Engine Throttle Hold
Step Pretest Instructions
2.58.1
2.58.2 Disconnect X065. Place key
switch in the platform position
and pull the emergency stop
switches.
2.58.3 Place key switch in the plat-
form position and pull the
emergency stop switches.
3121203
SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES
ADE Code: 2-3
Test
Is the switch mechanically
stuck?
Is fault "Function Problem -
Engine Choke Permanently
Selected"still present?
Is fault "Function Problem -
Engine Choke Permanently
Selected"still present?
Measured voltage at
X004.16 = Vbatt?
ADE Code: 2-2
Test
Is the switch mechanically
stuck?
Is fault "Function Problem -
Engine Start Permanently
Selected"still present?
Measured voltage at
X060.13 = Vbatt?
T350 T500J
Result
Yes
No
Yes
No
Yes
No
Yes
No
Result
Yes
No
Yes
No
Yes
No
Corrective Action
Repair or replace the switch
Go to step 2.57.2
Go to step 2.57.3
Possible Causes: 4.1.18
Go to step 2.57.4
Possible Causes: Short in Wht/Yel 48-
9 wire
Possible Causes: Short in Wht/Yel 48-
9-1 wire, 4.1.10
Possible Causes: 4.1.10
Corrective Action
Repair or replace the switch
Go to step 2.58.2
Go to step 2.58.3
Possible Causes: 4.1.18
Possible Causes: Short in Wht/Yel 48-
1 wire, 4.1.11
Possible Causes: 4.1.11
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