2005-2010 Paccar Multiplexed Electrical System Diagnostic Manual


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Covers: 2005-2010 Peterbilt & Kenworth models ICU (P30-1003), CECU/CECU2 (P30-1002), and CECU3 (P30-1008) software versions

  • PB: 357, 378, 379, 385, 386
  • PB: 365, 367, 384, 386, 388, 389
  • PB: 325, 330, 337, 348, 387
  • KW: C500, T600, T800, W900, C500, Off-Highway
  • KW: T440/T470, T660
  • KW: T170, T270, T370, T700

Pages: 189
Format: PDF
File size: 6mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only.

This diagnostic manual provides service information covering trucks equipped with the 2005, 2006, 2007, 2008. 2009, 2010 Paccar multiplexed instrumentation system.

Topics in the 2005-2010 Paccar Multiplexed Electrical System Diagnostic Manual:

Electronic Service Analyst (ESA)
What Control Unit Do I Have
Models–Build Dates
Control Unit Identification
Control Unit Comparison Chart
Control Unit Location
Electronic Service Analyst (ESA)
New Features of ESA 3
Service Resources
Parameter Part Numbers
Functional Description
ICU/CECU Architecture
Cluster Components
Commercial Vehicle Smart Gauges (CVSG)
Instruments and Controls Operation
Instrumentation Troubleshooting Procedures
Highline Diagnostic Codes
Databus Gauge(s) Inoperative
Primary Air Pressure Gauge Inoperative
Secondary Air Pressure Gauge Inoperative
Application Air Pressure Gauge Inoperative
Air Filter Restriction Pressure Gauge Inoperative
Fuel Filter Restriction Pressure Gauge Inoperative
Ammeter Gauge Inoperative
Pyrometer Gauge Inoperative
Front Drive Axle Oil Temperature Gauge
Rear Drive Axle Oil Temperature Gauge Inoperative
Center Drive Axle Oil Temperature Gauge Inoperative
Transmission Oil Temperature Gauge Inoperative
Auxiliary Transmission Oil Temperature Gauge Inoperative
Transfer Case Oil Temperature Gauge Inoperative
Brake Saver Oil Temperature Gauge Inoperative
General Oil Temperature Gauge Inoperative
Primary Fuel Gauge Inoperative
Secondary Fuel Gauge Inoperative
Engine Related DTCs
Outside Air Temperature Display Inoperative
CVSG Supply Open or Shorted
Dash Dimmer Input Open or Shorted, Dash Dimmer Output Shorted
Lite Diagnostic Procedure
Lite Terminating Resistor Test Procedure
Lite Short Circuit Test Procedure
Lite Short to Chassis Ground Test Procedure
Lite Open Circuit Test Procedure
Lite Diagnostic Procedures Conclusion
Acronyms and Abbreviations




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