This article show a guide on how to use JLR SDD Datalogger function to diagnose vehicle trouble.
Connect JLR SDD device to vehicle,run JLR SDD software.
Click[Auto VIN Read]
Symptom Selection and click [Continue]
Complete vehicle – Datalogger
Select signals Select [Control module supply voltage]
Select [Battery voltage]
Select [Lighting status – Puddle lamp]
Select [Mirrors motor outputs – Mirror heat output]
Set the ignition switch to ignition on. Press tick to continue
PCM and SASM
Select [Exit]. Press tick to exit