Safety Connect is a subscriptionbased
telematics service that uses
Global Positioning System (GPS)
data and embedded cellular technology
to provide safety and security
features to subscribers. Safety
Connect is supported by Lexus'
designated response center, which
operates 24 hours per day,
DIAGNOSIS SYSTEM DESCRIPTION When troubleshooting OBD II (On-Board Diagnostics) vehicles, the Techstream (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle's ECM (Engine Control Module) can be then read. OBD II regulations re