JLG 1850SJ Service And Maintenance Manual page 589

Flash
DTC Sequence
Code
8623 8 6
8624 8 6
8625 8 6
8626 8 6
8627 8 6
8628 8 6
8629 8 6
8630 8 6
8631 8 6
8632 8 6
8633 8 6
8634 8 6
8635 8 6
8636 8 6
8637 8 6
8651 8 6
3121619
Table 6-13. Diagnostic Trouble Code Chart
Fault Message
FRONT LEFT STEER SENSOR - DECOUPLED
REAR RIGHT STEER SENSOR - DECOUPLED
REAR LEFT STEER SENSOR - DECOUPLED
FRONT LEFT STEER SENSOR - NOT RESPOND-
ING
FRONT RIGHT STEER SENSOR - NOT
RESPONDING
REAR LEFT STEER SENSOR - NOT RESPOND-
ING
REAR RIGHT STEER SENSOR - NOT RESPOND-
ING
FRONT RIGHT STEER SENSOR - SHORT TO
GROUND OR OPEN CIRCUIT
FRONT RIGHT STEER SENSOR - SHORT TO
BATTERY
FRONT LEFT STEER SENSOR - SHORT TO
GROUND OR OPEN CIRCUIT
FRONT LEFT STEER SENSOR - SHORT TO BAT-
TERY
REAR RIGHT STEER SENSOR - SHORT TO
GROUND OR OPEN CIRCUIT
REAR RIGHT STEER SENSOR - SHORT TO BAT-
TERY
REAR LEFT STEER SENSOR - SHORT TO
GROUND OR OPEN CIRCUIT
REAR LEFT STEER SENSOR - SHORT TO BAT-
TERY
ENGINE SHUTDOWN - AXLE LOCKOUT VALVE
FAULT
Fault Description
The Front Left Steer Sensor has become
decoupled.
The Rear Right Steer Sensor has become
decoupled.
The Rear Left Steer Sensor has become
decoupled.
The Front Right Steer Sensor is not respond-
ing to steer commands.
The Front Left Steer Sensor is not respond-
ing to steer commands.
The Rear Right Steer Sensor is not respond-
ing to steer commands.
The Rear Left Steer Sensor is not responding
to steer commands.
There is a Short to Ground or an Open Circuit
to the Front Right Steer Sensor.
There is a Short to Battery to the
Front Right Steer Sensor.
There is a Short to Ground or an Open Circuit
to the Front Left Steer Sensor.
There is a Short to Battery to the
Front Left Steer Sensor.
There is a Short to Ground or an Open Circuit
to the Rear Right Steer Sensor.
There is a Short to Battery to the
Rear Right Steer Sensor.
There is a Short to Ground or an Open Circuit
to the Rear Left Steer Sensor.
There is a Short to Battery to the
Rear Left Steer Sensor.
Engine Start is prevented while there is an
Oscillating Axle fault and vehicle is out of
transport position
SECTION 6 - JLG CONTROL SYSTEM
Check
6-157