This Cummins intake manifold sensor document is a 10-page troubleshooting procedure for Cummins Fault Code 123 on ISB6.7 CM2350 engines. It covers the intake manifold 1 pressure sensor circuit, low voltage detection, connector inspections, harness checks, ECM response tests, and fault clearing steps.
Official Cummins intake manifold sensor document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB6.7 CM2350, 2013-17 |
| System/Group | DTCs; intake manifold 1 pressure sensor circuit |
| Publication no. | Not shown in extract |
| Year/Revision | Unknown; copyright 2017 |
| Pages | 10 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- Fault Code: 123; PID: P102; SPN: 102; FMI: 4/4; LAMP: Amber
- Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source
- Circuit Description
- Component Location
- Reason
- Effect
- 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
- Troubleshooting Steps
- Check for sensor supply fault codes
- Check for an inactive fault code
- Inspect the intake manifold pressure sensor and connector pins
- Check the sensor supply voltage and return circuit
- Check the circuit response
- Inspect the ECM and engine harness connector pins
- Check the ECM response
- Check if an ECM calibration update is available
- Disable and clear the fault code
Applicable truck models
This file applies to Cummins ISB6.7 CM2350 engines from the 2013-17 coverage group. The extract identifies the fault as Intake Manifold 1 Pressure Sensor Circuit – Voltage Below Normal or Shorted to Low Source, with the intake manifold pressure/temperature sensor located in the air intake horn. For official manufacturer information, visit Cummins.
Who needs this Cummins intake manifold sensor manual
Workshop technicians and fleet mechanics need this intake manifold sensor manual when diagnosing an amber CHECK ENGINE lamp, inactive or active Fault Code 123, low signal voltage, an open intake manifold pressure circuit, or a short to low source. It is also useful when checking shared 5 volt supply and return wires that may cause multiple fault codes.
The procedure directs users through diagnostic tool checks, multimeter voltage tests, jumper-wire circuit response checks, connector pin inspections, engine harness repair decisions, ECM replacement decisions, calibration revision checks, and final confirmation that the fault code is inactive. Full PDF available in the DiagTechPro manuals library, free account required to download.
Related manuals library
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
