JLG 1850SJ Service Manual - Manual (Page 350)

SECTION 6 - JLG CONTROL SYSTEM
6-68 – JLG Lift – 3121619
JIB TELESCOPE OUT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT 3 5 3516 - - - - - - ✔ ✔
FRONT AXLE EXTEND VALVE - SHORT TO BATTERY 3 6 361 - - - - - - - - ✔
FRONT AXLE EXTEND VALVE - SHORT TO GROUND 3 6 362 - - - - - - - - ✔
FRONT AXLE RETRACT VALVE - SHORT TO BATTERY 3 6 363 - - - - - - - - ✔
FRONT AXLE RETRACT VALVE - SHORT TO GROUND 3 6 364
- - - - - - - - ✔
REAR AXLE EXTEND VALVE - SHORT TO BATTERY 3 6 365 - - - - - - - - ✔
REAR AXLE EXTEND VALVE - SHORT TO GROUND 3 6 366 - - - - - - - - ✔
REAR AXLE RETRACT VALVE - SHORT TO BATTERY 3 6 367 - - - - - - - - ✔
REAR AXLE RETRACT VALVE - SHORT TO GROUND 3 6 368 - - - - - - - - ✔
FRONT AXLE EXTEND VALVE - OPEN CIRCUIT 3 6 369 - - - - - - - - ✔
FRONT AXLE VALVE - CURRENT FEEDBACK READING LOST 3 6 3610 - - - - - - - - ✔
FRONT AXLE RETRACT VALVE - OPEN CIRCUIT 3 6 3611 - - - - - - - - ✔
REAR AXLE VALVE - CURRENT FEEDBACK READING LOST 3 6 3612 - - - - - - - - ✔
REAR AXLE EXTEND VALVE - OPEN CIRCUIT 3 6 3613 - - - - - - - - ✔
FRONT AXLE VALVE - CURRENT FEEDBACK READING TOO LOW 3 6 3514 - - - - - - - - ✔
REAR AXLE RETRACT VALVE - OPEN CIRCUIT 3 6 3615 - - - - - - - - ✔
REAR AXLE VALVE - CURRENT FEEDBACK READING TOO LOW 3 6 3616 - - - - - - - - ✔
CHASSIS BRAKE - OPEN CIRCUIT 3 6 3617 - - - - - - - - ✔
CHASSIS BRAKE - SHORT TO BATTERY 3 6 3618 - - - - - - - - ✔
CHASSIS BRAKE - SHORT TO GROUND 3 6 3619 - - - - - - - - ✔
FRONT AXLE VALVE - SHORT TO BATTERY 3 6 3620 - - - - - - - - ✔
REAR AXLE VAVE - SHORT TO BATTERY 3 6 3621 - - - - - - - - ✔
FUEL SENSOR SHORT TO BATTERY 4 3 431 ✔ ✔ ✔ ✔ ✔
FUEL SENSOR SHORT TO GROUND 4 3 432 ✔ ✔ ✔ ✔ ✔
OIL PRESSURE SHORT TO BATTERY 4 3 433 ✔ ✔ ✔ ✔ ✔
OIL PRESSURE SHORT TO GROUND 4 3 434 ✔ ✔ ✔ ✔ ✔
COOLANT TEMPERATURE SHORT TO GROUND 4 3 435 ✔ ✔ ✔ ✔ ✔
ENGINE TROUBLE CODE 4 3 437 ✔ ✔ ✔ ✔ ✔
HIGH ENGINE TEMP 4 3 438 ✔ ✔ ✔ ✔ ✔
AIR FILTER BYPASSED 4 3 439 ✔ ✔ ✔ ✔ ✔
NO ALTERNATOR OUTPUT 4 3 4310
✔ ✔ ✔ ✔ ✔
LOW OIL PRESSURE 4 3 4311 ✔ ✔ ✔ ✔ ✔
THROTTLE ACTUATOR FAILURE 4 3 4313 ✔ ✔ ✔ ✔ ✔
WRONG ENGINE SELECTED - ECM DETECTED 4 3 4314
✔ ✔ ✔ ✔ ✔
LOSS OF ENGINE SPEED SENSOR 4 3 4322 ✔ ✔ ✔ ✔ ✔
Table 6-7. Diagnostic Fault Code Chart
Fault Text Flash 1 Flash 2 DTC 1350 1200 1250 1500 1850