Start Solenoid Short To Ground; Swing Left Solenoid Open Circuit - JLG T350 Troubleshooting Manual

SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES

2.143 START SOLENOID SHORT TO GROUND

Distress Lamp: 9
Ground module feedback shows that the Engine Start digital output may be shorted to ground or the solenoid may be
defective
Functions Disabled (Engine Powered Machines Only): Engine Start
Step Pretest Instructions
2.143.1 Disconnect solenoid at X089
and isolate wires
2.143.2 Remove wire Wht/Yel 48-6
from X002.23

2.144 SWING LEFT SOLENOID OPEN CIRCUIT

Distress Lamp: 9
Ground module feedback shows that the Swing Left digital output may be disconnected or the solenoid may be defective.
The start solenoid fuse should be checked.
Functions Disabled: Swing Left
Step Pretest Instructions
2.144.1 Run system test
2.144.2 Disconnect solenoid. Short
X077.1.soc to X077.2.soc
2.144.3 Replace X002.34 with a
jumper to X002.14
2-106
ADE Code: 3-3
Test
Rerun System Test
Rerun System Test
ADE Code: 3-3
Test
Do other functions fail sys-
tem test?
Rerun System Test
Rerun System Test
T350 T500J
Result
Analyzer Message "START
SOLENOID OPEN CIRCUIT"
Analyzer Message "START
SOLENOID SHORT TO GROUND"
Analyzer Message "START
SOLENOID OPEN CIRCUIT"
Analyzer Message "START
SOLENOID SHORT TO GROUND"
Result
Yes
No
Analyzer Message "SWING LEFT
VALVE SHORT TO GROUND"
Analyzer Message "SWING LEFT
VALVE OPEN CIRCUIT"
Analyzer Message "SWING LEFT
VALVE SHORT TO GROUND"
Analyzer Message "SWING LEFT
VALVE OPEN CIRCUIT"
Corrective Action
Repair/Replace solenoid
Go to step 2.143.2
Wire Wht/Yel 48-6 or wire between
X022 and X089 shorted to ground.
Repair or replace
Possible Cause: 4.1.10
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise go to step
2.144.2
Go to step 2.144.2
Replace solenoid and/or connector
Go to step 2.144.3
Wire White 21-3-1 or White 21-3 bro-
ken. Repair or replace
Possible Cause: 4.1.10
3121203