November 2016
Service and Repair Manual
Fault Codes
Part No. 1272220GT
GS-2669 DC • GS-3369 DC • GS-4069 DC
99
Troubles hooting "H XXX" and " PXXX" Faults
Troubleshooting "HXXX" and "PXXX" Faults
The procedure below illustrates typical steps for diagnosing and fixing faults of type "HXXX" and "PXXX".
Diagnostic Chart
1 Check the faulted device for a short or open circuit.
No
Good
Replace faulted device.
Good
2
Check short or open circuit of the harness or
connector between Ground Controls and faulted device.
No
Good
Repair or replace harness an/or connector.
Good
No
Good
3 Check GCON Electronic Control Module (ECM).
Replace ECM.
Wiring Diagram
The wiring diagram shown below illustrates how fault type "HXXX" and "PXXX" devices are typically wired.
The signal of these types of devices originates at the Ground Controls and terminates at system ground.
GCON
Electronic Control Module
(ECM)
Signal Wire
Signal Side
Device
Return Side
Return Wire
In order to successfully troubleshoot "HXXX" or "PXXX" type faults, the entire faulted out circuit must be
investigated.
Содержание GS-2669 DC
Страница 59: ...Service and Repair Manual November 2016 Manifolds 48 GS 2669 DC GS 3369 DC GS 4069 DC Part No 1272220GT...
Страница 134: ...November 2016 Service and Repair Manual 123 Fuse Ground and Platform Control Boxes Fuse Box Layout All Models...
Страница 137: ...Service and Repair Manual November 2016 126 Ground Control Box Layout All Models...
Страница 138: ...November 2016 Service and Repair Manual 127 Platform Control Box Layout Models with 2 Speed Lift...
Страница 141: ...Service and Repair Manual November 2016 130 Platform Control Box Layout Models with Proportional Lift...
Страница 178: ......