This article show a guide on how to use JLR SDD Datalogger function to diagnose vehicle trouble.
Preparations:
How to Install JLR SDD Diagnostic Software
Newest JLR SDD V154 Software Free Download
Procedures:
Connect JLR SDD device to vehicle,run JLR SDD software.
Click SDD
Click[Auto VIN Read]
Reading VIN…
Click [Diagnosis]
Symptom Selection and click [Continue]
Click [Recommendations]
Click [Run]
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]
Click 
icon
Click play 
Set the ignition switch to ignition on. Press tick to continue
PCM and SASM
Click Select 
Select [Exit]. Press tick to exit
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