Service Manual Manual

SECTION 3 - CHASSIS & TURNTABLE

3121142 – JLG Lift – 3-149

DTC 219- RPM Higher Than Max Allowed Governed

Speed

• Max Govern Speed Override- Crankshaft Position Sensor

• Check Condition-Engine Running

• Fault Condition-Engine speed greater than the max gover-

nor override speed as defined in the diagnostic calibration

• Corrective Action(s): Sound audible warning or illuminate

secondary warning lamp, reduce throttle to limit speed.

Recommend closed loop and adaptive learn fueling correc-

tion remains active during fault.

• Non-emissions related fault

This fault will set anytime the engine RPM exceeds the limit set

in the diagnostic calibration for the latch time or more. This

speed overrides any higher max governor speeds pro-

grammed by the user. This fault is designed to help prevent

engine or equipment damage.

The throttle will be lowered in order to govern the engine to

the speed set in the diagnostic calibration.

DTC 219- RPM Higher Than Max Allowed Governed Speed

(continued)

Diagnostic Aids

NOTE: If any other DTCs are present, diagnose those first.

• Ensure that no programmed governor speeds exceed the

limit set in the diagnostic calibration for Max Gov Override

Speed

• Check mechanical operation of the throttle actuator

PINK/WHITE

TAN/ORANGE

GREEN/RED

PURPLE/BLUE

BLACK/GREEN