This Cummins 3314 troubleshooting manual is a fault-code diagnostic document for the aftertreatment diesel oxidation catalyst intake temperature sensor circuit. It explains Fault Code 3314, SPN 4765 FMI 3, including circuit behavior, fault effects, clearing conditions, and guided electrical checks. The file is supplied as Code 3314.pdf for workshop reference.
Official Cummins 3314 troubleshooting manual document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2250; also references ISX11.9 CM2250, ISC8.3 and ISL9 CM2250, ISX15 CM2250, GX CM2250, QSL9 CM2250, and QSB6.7 CM2250 in associated procedure tables. |
| System/Group | ISB6.7 CM2250 (2010-12) / DTCs; aftertreatment diesel oxidation catalyst intake temperature sensor circuit. |
| Year/Revision | Year unknown; pages show Last Modified: 11-Jun-2010 and Last Modified: 07-Dec-2010. |
| Pages | 19 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview
- Circuit Description
- Component Location
- Conditions for Running the Diagnostics
- Conditions for Setting the Fault Codes
- Action Taken When the Fault Code is Active
- Conditions for Clearing the Fault Code
- Shop Talk
- Associated Procedures
- Guided Step 1 – Check the fault codes.
- Guided Step 2 – Check the aftertreatment diesel oxidation catalyst intake temperature sensor and circuit.
- Guided Step 3 – Check the aftertreatment DPF temperature sensor interface module.
- Guided Step 4 – Check the ECM and OEM harness.
- Guided Step 5 – Check ECM calibration and clear fault codes.
Applicable truck models
This document covers Cummins CM2250 engine applications listed in the extract, with primary file grouping for ISB6.7 CM2250 and associated procedure references for ISC8.3 and ISL9 CM2250, ISX15 CM2250, ISX11.9 CM2250, QSL9 CM2250, QSB6.7 CM2250, and GX CM2250. The fault relates to the aftertreatment diesel oxidation catalyst intake temperature sensor located between the outlet of the turbocharger and the intake of the exhaust aftertreatment, with final component location details referred to the OEM service manual. For manufacturer information, visit Cummins official website.
Who needs this Cummins 3314 troubleshooting manual manual
Workshop technicians, fleet mechanics, and diagnostic tool users need this 3314 troubleshooting manual when Fault Code 3314 is active or inactive in INSITE™ electronic service tool. It is useful for checking sensor circuits, return and signal wiring, interface module faults, OEM harness opens or shorts, ECM calibration status, and repair validation.
The full PDF is available in the DiagTechPro manuals library, free account required to download.
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