This Fault Code 352 document is a 4-page troubleshooting sheet for Fault Code 352 on the ISB CM550 sensor supply circuit. It identifies PID S232, SPN 620, FMI 4 or 3, and gives step-by-step checks for the shared +5-VDC sensor supply and return circuits. The procedure is intended for diagnostic-tool use during workshop fault isolation.
Official Fault Code 352 document details
| Brand | Cummins |
|---|---|
| Model coverage | ISB CM550 (1990-94) |
| System/Group | DTCs; Sensor Supply Circuit |
| Publication no. | Not shown in extract |
| Year/Revision | Unknown; document copywrite 2017 |
| Pages | 4 |
| File size | 0.3 MB |
| Format | |
| Language | English |
Document table of contents
- FAULT CODE: 352
- PID: S232
- SPN: 620
- FMI: 4 or 3
- SENSOR SUPPLY CIRCUIT
- DESCRIPTION
- COMPONENT LOCATION
- TROUBLESHOOTING STEPS
- Step 1A through Step 1D: diagnostic tool checks and sensor disconnect tests
- Step 2A through Step 2D: ECM connector, harness short, pin-to-pin resistance, and +5-VDC supply voltage checks
- Step 3A and Step 3B: disable fault code, verify inactive status, and clear inactive fault codes
Applicable truck models
This file applies to Cummins ISB CM550 engines listed in the source as 1990-94 coverage. The diagnostic routine covers the engine position sensor, intake manifold pressure sensor, oil pressure sensor, intake manifold temperature sensor, coolant temperature sensor, sensor harness, engine harness, and ECM where they share the same +5-VDC source and return. For official manufacturer information, visit Cummins.
Who needs this ISB fault code manual
Mechanics and workshop owners need this sheet when Fault Code 352 remains active, when related coolant temperature or intake manifold temperature voltage faults appear, or when the shared sensor supply circuit must be separated from individual sensor failures. It supports electrical checks such as resistance to engine block ground, pin-to-pin short testing, connector inspection, and voltage measurement from pin A on the harness side of the engine speed sensor.
The full PDF is 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 Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
