SECTION 3 - CHASSIS & TURNTABLE
3-108
– JLG Lift –
3121290
3.17 DGC DIAGNOSTIC SUPPORT AND TROUBLE CODE
DEFINITIONS
This section defines diagnostics and recommended trouble-
shooting procedures associated with EControls, Diesel Gover-
nor Control (DGC), and Engine Control Module (ECM) used on
industrial engines.
Section Layout
This section is organized in the following manner:
DTC XXXX- Diagnostic Condition
Block Diagram of Circuit
External Hardware Input/Output
- This identifies the hardware that either sends an input
to the ECM or is driven by and ECM output.
Check Condition
- This defines what condition to troubleshoot the fault condition.
Fault Condition(s)
- This identifies the condition(s) that set the fault.
Corrective Action(s)-
This identifies the
RECOMMENED
corrective action(s) that the
ECM is generally programmed to perform. In some instances, the calibration
engineer(s) may choose to perform a different action.
Emissions or Non-emissions related fault
Text to identify the circuit of interest and its use for control.
Text to describe t he conditions that cause the fault to set.
DTC XXXX- Diagnostic Condition
Note: Helpful tips used to aid troubleshooting
Yes
No
Troubleshooting flow
chart
Summary of Contents for 450A II Series
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Page 79: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 39 Figure 3 32 Swing Bearing Drive ...
Page 101: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 61 Figure 3 42 Auxiliary Pump ...
Page 113: ...SECTION 3 CHASSIS TURNTABLE 3121290 JLG Lift 3 73 Figure 3 53 EMR2 Fault Codes Sheet 1 of 5 ...
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Page 312: ...SECTION 6 JLG CONTROL SYSTEM 6 2 JLG Lift 3121290 Figure 6 2 Controller Block Diagram 0 ...
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Page 394: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 24 JLG Lift 3121290 NOTES ...
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