Drive Left Forward Solenoid Short To Battery; Drive Left Forward Solenoid Short To Ground - JLG T350 Troubleshooting Manual

2.26 DRIVE LEFT FORWARD SOLENOID SHORT TO BATTERY

Distress Lamp: 9
Drive module feedback shows that the Drive Left Forward Valve PWM output may be shorted to battery or the solenoid may
be defective
DRIVE OPTION MACHINES ONLY
Functions Disabled (Drive Option Machines Only): Drive Left Forward
Step Pretest Instructions
2.26.1 Run system test
2.26.2 Disconnect solenoid at X074
and isolate wires
2.26.3 Remove wire Orn 7-4 from
X074.7

2.27 DRIVE LEFT FORWARD SOLENOID SHORT TO GROUND

Distress Lamp: 9
Drive module feedback shows that the drive left forward digital output may be shorted to ground or the relay may be defec-
tive.
DRIVE OPTION MACHINES ONLY
Functions Disabled (Drive Option Machines Only): Drive Left Forward
Step Pretest Instructions
2.27.1 Disconnect solenoid at X074
and isolate wires
2.27.2 Remove wire Orn 7-4 from
X074.7
3121203
SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES
ADE Code: 3-3
Test
Do other functions fail sys-
tem test?
Rerun System Test
Rerun System Test
ADE Code: 3-3
Test
Rerun System Test
Rerun System Test
T350 T500J
Result
Yes
No
Analyzer Message "DRV LEFT
FWD VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
FWD VALVE SHORT TO BAT-
TERY"
Analyzer Message "DRV LEFT
FWD VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
FWD VALVE SHORT TO BAT-
TERY"
Result
Analyzer Message "DRV LEFT
FWD VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
FWD VALVE SHORT TO
GROUND"
Analyzer Message "DRV LEFT
FWD VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
FWD VALVE SHORT TO
GROUND"
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise go to step
2.26.2
Go to step 2.26.2
Replace solenoid
Go to step 2.26.3
Wire Orn 7-4 shorted to battery. Repair
or replace
Possible Cause: 4.1.10
Corrective Action
Repair/Replace solenoid
Go to step 2.27.2
Wire Orn 7-4 shorted to ground. Repair
or replace
Possible Cause: 4.1.10
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