Drive Left Reverse Solenoid Open Circuit; Drive Left Reverse Solenoid Short To Battery - JLG T350 Troubleshooting Manual

SECTION 2 - TROUBLESHOOTING BY FAULT MESSAGES

2.28 DRIVE LEFT REVERSE SOLENOID OPEN CIRCUIT

Distress Lamp: 9
Drive module feedback shows that the Drive Left Reverse Valve PWM output may be disconnected or the solenoid may be
defective.
DRIVE OPTION MACHINES ONLY
Functions Disabled (Drive Option Machines Only): Drive Left Reverse
Step Pretest Instructions
2.28.1 Run system test
2.28.2 Short X069.1.soc to
X069.2.soc
2.28.3 Replace X074.8 with a jumper
to X074.2

2.29 DRIVE LEFT REVERSE SOLENOID SHORT TO BATTERY

Distress Lamp: 9
Drive module feedback shows that the Drive Left Reverse 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 Reverse
Step Pretest Instructions
2.29.1 Run system test
2.29.2 Disconnect solenoid at X069
and isolate wires
2.29.3 Remove wire Orn 8-4 from
X074.8
2-54
ADE Code: 3-3
Test
Do other functions fail sys-
tem 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
Yes
No
Analyzer Message "DRV LEFT
REV VALVE SHORT TO GROUND"
Analyzer Message "DRV LEFT
REV VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
REV VALVE SHORT TO GROUND"
Analyzer Message "DRV LEFT
REV VALVE OPEN CIRCUIT"
Result
Yes
No
Analyzer Message "DRV LEFT
REV VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
REV VALVE SHORT TO BAT-
TERY"
Analyzer Message "DRV LEFT
REV VALVE OPEN CIRCUIT"
Analyzer Message "DRV LEFT
REV VALVE SHORT TO BAT-
TERY"
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise
Go to step 2.28.2
Go to step 2.28.2
Replace solenoid and/or connector
Go to step 2.28.3
Orn 8-4 wire broken. Repair or replace
Possible Cause: 4.1.10
Corrective Action
Possible Cause: Black ground wire
broken, 4.1.1, otherwise go to step
2.29.2
Go to step 2.29.2
Replace solenoid
Go to step 2.29.3
Wire Orn 8-4 shorted to battery. Repair
or replace
Possible Cause: 4.1.10
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