Link G4 Plus Software Tutorial: 4D/5D/6D Compensation
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4D/5D/6D Compensation
02.42
| 00:00 | - Another advanced option available with the Link G4+ is the 4D, 5D and 6D compensation tables for both fuel and ignition. |
| 00:09 | These tables can be used to compensate the main fuel or ignition table for almost any parameter you want. |
| 00:16 | For instance, you could use these tables to compensate for vehicle speed or exhaust gas temperature or engine oil temperature to help safeguard your tuning. |
| 00:25 | Let's have a look at how we could compensate the fuel table for vehicle speed to add some additional fuel and remove timing at high speed. |
| 00:34 | If we open the ECU settings menu and click on fuel and then fuel corrections, we have the option for 4D, 5D and 6D tables. |
| 00:42 | Click on the 4D fuel table option. |
| 00:45 | By default, the option is turned off so we need to double click and select on. |
| 00:50 | A window will pop up asking if you want to clear the table and set the default axes. |
| 00:54 | Click yes. |
| 00:56 | We now have a range of options that describe how the table will be activated. |
| 01:00 | The option you choose will depend on what you want to achieve but you can have the table always active or to become active when a digital input is switched. |
| 01:09 | In this case we want the table to be always active so we're going to select always on. |
| 01:16 | If we go back to the ECU settings menu, the 4D table will now be visible. |
| 01:20 | Double click on it to access it. |
| 01:23 | Now we're going to configure the table axes to suit what we want to achieve. |
| 01:27 | We're going to change the X axis to wheel speed and set the sites to suit. |
| 01:32 | We only want to compensate the fuelling when the engine is under high load and high speed so we'll leave the Y axis set to TPS. |
| 01:39 | Clicking apply will make the changes to the table and we'll be asked if we want to interpolate the new table numbers. |
| 01:46 | In this case the table is empty so we can click no. |
| 01:51 | Now we can make the adjustments we want. |
| 01:52 | In this instance we want to add 10% more fuel above 200 km/h and 70% throttle. |
| 01:59 | We can simply highlight these zones and make the required changes. |
| 02:03 | Note that the 4D, 5D and 6D fuel tables make a percentage change to the main fuel table. |
| 02:11 | At the same time we may want to remove some ignition timing. |
| 02:15 | We can do this by setting up a 4D ignition table with the same axis. |
| 02:19 | In this case we're going to remove four degrees of ignition timing above 200 km/h and 70% throttle. |
| 02:26 | Note that the 4D, 5D and 6D ignition tables work in degrees not percentage. |
| 02:32 | You can use multiple compensation tables if you wish to compensate for more additional parameters. |
