This Cummins ISB6.7 413 document covers Fault Code 431 for the accelerator pedal or lever idle validation circuit on ISB6.7 CM2150 engines. It explains the circuit description, diagnostic conditions, fault effects, guided electrical tests, and clearing steps using INSITE™ electronic service tool.
Cummins ISB6.7 413: Official Cummins ISB6.7 413 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2150 (2007-09) |
| System/Group | DTCs; Accelerator Pedal or Lever Idle Validation Circuit |
| Year/Revision | Last Modified: 20-Jul-2010 |
| Pages | 15 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Cummins ISB6.7 413: Document table of contents
- Overview
- Circuit Description
- Component Location
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Codes
- FAULT CODE 431
- Action Taken When the Fault Code is Active
- Conditions for Clearing the Fault Code
- Shop Talk
- Associated Procedures
- Troubleshooting Steps
- Guided Step 1 – Check the ISS.
- Guided Step 2 – Check the OEM harness.
- Guided Step 3 – Clear the fault code.
Applicable truck models
This file applies to Cummins ISB6.7 CM2150 (2007-09) engine diagnostics where Fault Code 431 is active or stored. The procedure concerns the integrated sensor switch (ISS) on the accelerator pedal or lever assembly, the OEM harness, the ECM connector, switch RETURN wiring, idle validation on-idle SIGNAL, and idle validation off-idle SIGNAL circuits. For manufacturer information, visit Cummins official website.
Who needs this ISB6.7 fault code manual
Workshop owners, diesel mechanics, and fleet technicians need this ISB6.7 fault code manual when an engine only idles and the accelerator pedal or lever idle validation circuit reports data erratic, intermittent, or incorrect. It supports connector inspection, resistance measurement, voltage checks, OEM wiring harness repair decisions, and final verification with INSITE™ electronic service tool.
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