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Electronic Control System Signature, ISX and QSX15 Engines – 019-036   Engine Brake Level Switch

Table of Contents

Resistance Check

Resistance Check

 TOC

If INSITE™ is available, monitor the engine brake selector switch for proper operation. If

not, follow the troubleshooting procedures for this section.

Label the wires with the location on the switch or the wire number. Disconnect the four electrical connectors from the switch.

SMALL | MEDIUM | LARGE


Six-Position Switch

Continuity of Center Terminal of Switch
(<10 ohms)
Switch Terminal C Terminal B Terminal A
Position Pin 32 Pin 31 Pin 22
1 Open Open Closed
2 Open Closed Open
3 Closed Open Open
4 Closed Open Closed
5 Closed Closed Open
6 Closed Closed Closed

Three-Position Switch without ICON™

Continuity of Center Terminal of Switch
(<10 ohms)
Switch Terminal C Terminal B Terminal A
Position Pin 32 Pin 31 Pin 22
1 Open Closed Open
2 Closed Open Closed
3 Closed Closed Closed

Three-Position Switch with ICON™

Continuity of Center Terminal of Switch
(<10 ohms)
Switch Terminal B Terminal A
Position Pin 31 Pin 22
1 Closed Open
2 Open Closed
3 Closed Closed

SMALL | MEDIUM | LARGE
Last Modified:  21-Jan-2003
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