Electronic Engine Controls - V8 S/C 5.0L Petrol (G2796673): Operation: Diagnostics
WARNING: This page is about a different variant/trim than selected.
The PCM records any DTC and related data. The DTC and related data are read using the JLR approved diagnostic equipment.
The JLR approved diagnostic equipment enables certain components to be activated and also read live data.
The freeze frame data can vary depending on the fault. Core freeze frame data for every DTC includes:
- Power mode
- Time
- Distance
- Startup battery voltage.
The JLR approved diagnostic equipment can also read the following:
- Real time data from each sensor.
- The adaption values currently being employed.
- The current fueling settings.
- The current ignition settings.
- The current idle speed settings.
Specific sets of data are linked to each DTC . The selected data set gives the most useful supporting data to diagnose the fault.