Spicer TPCS Troubleshooting Guide: Older Systems (ECU's w_Dual Connectors) - Manual (Page 4)

4
Tire Pressure Control System
Spicer’s Tire Pressure Control System features dash board control of tire
air pressure through:
• Simple push button operation.
• Independent Steer, Drive, and Trailer operation.
• Electronic braking priority for air system.
• Vehicle speed sensing and response capability.
• Self­diagnostics.
Purpose and Scope of Manual
This manual explains how to diagnose problems or failures of the
Spicer Tire Pressure Control System. While this manual also includes a
basic summary of system components and control operation, it does
not provide all information necessary to fully support an installed Tire
Pressure Control System. For information on service, installation and
full system operation, request appropriate documents from your Spicer
representative.
• Service Manual
• Installation Guide
• Operator’s Guide
Organization of Manual
The following is an overview:
Section 1: Introduction. Describes the purpose, scope, and
organization of this manual as well as introduces the Tire Pressure Control
System.
Section 2: Operation. Reviews the components that make up the Tire
Pressure Control System as well as gives a simplified scenario of how the
system functions.
Section 3: Operator Instructions. Describes how to operate the
system with the Operator Control Panel.
Section 4: General Service Guidelines. Covers the requirements of
the air dryer, line replacement and wheel valve filter maintenance.
Section 5: Diagnostics. Covers the procedures and tools for running
diagnostics on the Tire Pressure Control System.
Section 6: Troubleshooting. Covers the procedures for finding and
isolating causes, in addition to reference pages, fault codes and cross­
references to the Tire Pressure Control System Service Manual.
Appendix A: Tire Pressure Control System Wiring Diagram.
Includes component connectors and electri cal schematic.
Introduction