Practical Standalone Tuning: Introduction
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Introduction
01.41
| 00:00 | The trigger inputs are some of the most critical that the ECU receives as every calculation is based on the engine RPM and engine position. |
| 00:08 | If this information is inaccurate, you will have a lot of trouble when you start tuning. |
| 00:13 | Since trigger setup is so important we've separated it into its own module to make it easy to reference when you need to go through the configuration. |
| 00:22 | Most modern engines will provide two trigger inputs. |
| 00:25 | One will provide the ECU with engine speed while the other will tell the ECU which cylinder is firing. |
| 00:32 | While both inputs are needed for sequential injection and direct fire coil on plug ignition many older engines, particularly those with distributors, will only provide an engine speed input. |
| 00:44 | Modern engines with variable cam control will also have a cam position sensor for each variable cam shaft so the ECU knows what position the cam is in. |
| 00:54 | The principle for setting the different inputs up is the same regardless which particular input you are considering. |
| 01:01 | There are some setup differences though, dependent on if your sensor is a reluctor sensor or a hall sensor. |
| 01:08 | Fortunately most ECU's simplify the setup process by having pre-configured selections for many popular engines. |
| 01:16 | If your engine is covered you simply select the correct trigger pattern and the ECU will take care of the rest. |
| 01:23 | You still need to test the triggering though to confirm it's working. |
| 01:27 | We're going to look at some of the more critical adjustments that can be made if you're still having trouble with the default configuration. |
| 01:33 | I'm going to separate these steps into reluctor and hall for simplicity. |
