Service Manual Manual

SECTION 6 - JLG CONTROL SYSTEM
6-86 – JLG Lift – 3121142
3339 33 39 ALTERNATOR POWER - SHORT TO BATTERY There is a Short to Battery to the
Alternator
3340 33 40 AUX POWER - SHORT TO GROUND There is a Short to Ground to the
Auxiliary Power Pump Relay.
3341 33 41 AUX POWER - OPEN CIRCUIT There is an Open Circuit to the
Auxiliary Power Pump Relay.
3342 33 42 AUX POWER - SHORT TO BATTERY There is a Short to Battery to the
Auxiliary Power Pump Relay.
3343 33 43 COLD START ADVANCE SOLENOID - SHORT TO GROUND There is a Short to Ground to the
Cold Start Advance Solenoid.
- CAT engines only.
3344 33 44 C OL D S TA RT AD VA NC E S OL ENO ID - OPE N CI RCUI T T he re is an Open Ci rc ui t to the
Cold Start Advance Solenoid.
- CAT engines only.
3345 33 45 COLD START ADVANCE SOLENOID - SHORT TO B ATT ERY Ther e i s a Sho r t t o B at te r y t o t he
Cold Start Advance Solenoid.
- CAT engines only.
3349 33 49 ELECTRIC PUMP - SHORT TO GROUND There is a Short to Ground to the
Pump Relay.
- CAT engines only.
3350 33 50 ELECTRIC PUMP - OPEN CIR CU IT Th er e i s a n Open Circ ui t t o t he
Pump Relay.
- CAT engines only.
3351 33 51 ELECTRIC PUMP - SHORT TO BATTERY There is a Short to Battery to the
Pump Relay.
- CAT engines only.
3358 33 58 MAIN DUMP VALVE - SHORT TO GROUND There is a Short to Ground to the
Main Dump Valve.
3359 33 59 MAIN DUMP VALVE - OPEN CIRCUIT There is an Open Circuit to the
Main Dump Valve.
3360 33 60 MAIN DUMP VALVE - SHORT TO BATTERY There is a Short to Battery to the
Main Dump Valve.
3361 33 61 BRAKE - SHORT TO GROUND There is a Short to Ground to the
Brake Valve.
3362 33 62 START SOLENOID - SHORT TO GROUND There is a Short to Ground to the
Start Relay.
- Diesel engines only.
3363 33 63 START SOLENOID - OPEN CIRCUIT There is an Open Circuit to the
Start Relay.
- Diesel engines only.
3364 33 64 START SOLENOID - SHORT TO BATTERY There is a Short to Battery to the
Start Relay.
- Diesel engines only.
3368 33 68 TWO SPEED VALVE - SHORT TO GROUND There is a Short to Ground to the
Two Spe ed Val ve.
3369 33 69 TWO SPEED VALVE - OPEN CIRCUIT Th er e i s a n O pen Ci rc ui t to th e
Two Spe ed Val ve.
3370 33 70 TWO SPEED VALVE - SHORT TO BATTERY There is a Short to Battery to the
Two Spe ed Val ve.
3371 33 71 GROUND ALARM - SHORT TO GROUND There is a Short to Ground to the
Ground Alarm.
- Ground Alarm equipped vehicles
only.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check