The Cummins M11 135 sheet documents the oil pressure sensor circuit (PID P100, SPN 100, FMI 3) on Cummins CELECT engines built from 1990 to 1994. This 7-page reference drives a technician through the circuit description, oil pressure sensor location, and the pin-by-pin checks needed to turn the yellow lamp off.
Cummins M11 135: Official document details
| Brand | Cummins |
| Model coverage | M11 and N14 CELECT (1990-94) |
| System / Group | Oil pressure sensor circuit |
| Fault code identifier | Code 135 · PID P100 · SPN 100 · FMI 3 · SRT 00-087 |
| Warning lamp | Yellow |
| Pages | 7 |
| File size | 0.4 MB |
| Format | |
| Language | English |
Document table of contents
- Circuit description
- Component location on M11 and N14
- Shop talk on cold-weather faults
- Sensor and harness connector inspection
- Supply and signal voltage checks
- Troubleshooting Steps 1A to 4B
- Clearing inactive fault codes
Applicable truck models
This procedure applies to Cummins M11 CELECT engines built from 1990 to 1994 and shares the oil pressure sensor logic used on N14 CELECT engines of the same era. It is a fault-code troubleshooting sheet from the CELECT diagnostic set (SRT 00-087), not a full engine manual, so confirm exact wiring and part numbers against factory data on the official Cummins website before replacing any component.
Cummins M11 135 diagnostic steps
Clean and inspect the oil pressure sensor connector with electronic contact cleaner Part Number 3824510, then install breakout cable Part Number 3824775 and check the supply voltage (4.75 to 5.25 VDC) from pin A to pin B and the signal voltage (0.40 to 0.60 VDC) from pin C to pin B. Inspect ECM pins 22, 7, and 13 for pin-to-pin shorts above 100k ohms and continuity below 10 ohms, then use jumper Part Number 3822917 between pins 7 and 13 to verify the ECM before clearing the code.
Who needs this Cummins M11 135 manual
Technicians chasing an intermittent FMI 3 oil pressure signal — especially one that appears only in cold weather — use this sheet to isolate the sensor, harness, or ECM step by step.
The full PDF is available in the DiagTechPro manuals library; a free account is required to download.
Applies to these truck models
This is the manufacturer document shared across 2 model families. It applies to:
- Cummins DTCs
- Cummins M11 CELECT (1990-94)
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