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Injector Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 333 PID: S254 SPN: FMI: 12 LAMP: Yellow SRT: 00-606 |
No voltage detected on one or more injector supply pin (01, 03, 05, 11, 13, or 15) of the actuator harness when power is commanded. | Speed derate to 1400 to 1600 rpm. |
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Electronic Control Module |
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Circuit Description
The CELECT™ electronic control module (ECM) is a computer that is responsible for engine control, diagnostics, and user features.
Component Location
The ECM is bolted to the left side of the engine.
Shop Talk
Possible causes of this fault code could be damaged engine position sensor (EPS) coils/potting and an ECM internal failure.
Troubleshooting Steps
| STEPS | SPECIFICATIONS | |
|---|---|---|
| STEP 1. | Check external ECM components. | |
| STEP 1A. Confirm fault code is still active. | Fault Code 333 active | |
| STEP 1B. Examine the EPS. | EPS works correctly | |
| STEP 2. | Clear the fault codes. | |
| STEP 2A. Disable the fault code. | Fault Code 333 inactive | |
| STEP 2B. Clear the inactive fault codes. | All fault codes cleared | |
Guided Step 1 – Check external ECM components.
| Guided Step 1A – Confirm fault code is still active. | |
|---|---|
Conditions
Action
|
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| OK | NOT OK |
| Fault Code 333 active | Fault Code 333 inactive |
| Guided Step 1B – Examine the EPS. | |
|---|---|
Conditions
Action
|
|
| OK | NOT OK |
| EPS works correctly | Replace the EPS
Refer to Procedure 019-038. |
Guided Step 2 – Clear the fault codes.
| Guided Step 2A – Disable the fault code. | |
|---|---|
Conditions
Action
|
|
| OK | NOT OK |
| Fault Code 333 inactive | Return to the troubleshooting steps or contact your nearest Cummins Authorized Repair Location if all the steps have been completed and checked again. |
| Guided Step 2B – Clear the inactive fault codes. | |
|---|---|
Conditions
Action
|
|
| OK | NOT OK |
| All fault codes cleared | Troubleshoot any remaining active fault codes. |
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Repair Complete
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Appropriate troubleshooting chart
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Last Modified: 08-Sep-2004
