TELEMATICS SYSTEM : System Diagram

WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Telematics System Diagram

Courtesy of NISSAN MOTOR CO., U.S.A.

CAN communication

AV control unit Input Signal

AV CONTROL UNIT INPUT SIGNAL REFERENCE CHART

Transmit unit	Signal name
Steering angle sensor	Steering angle sensor signal
Combination meter	Odometer signal
	Vehicle speed signal (Meter)
	A/C OFF average electricity consumption for driving range signal
	A/C ON average electricity consumption for driving range signal
	Driving range difference signal
ABS actuator and electric unit (control unit)	Vehicle speed signal
	ABS warning lamp signal
	Brake warning lamp signal
	ESP OFF switch signal
	ESP warning lamp signal
VCM	A/C consumption power status display signal
	A/C consumption signal
	Current motor power signal
	ECO tree signal
	Li-ion battery charging data signal
	Others consumption signal
	Pre-A/C priority signal
	Pre-A/C timer signal
	Remaining time to charge completion (200 V) signal
	Remaining time to charge completion (100 V) signal
	Traction motor consumption signal
	VCM activation/deactivation command signal
	VCM status signal

TCU Input Signal

TCU INPUT SIGNAL REFERENCE CHART

Transmit unit	Signal name
VCM	A/C expected consumption signal
	Charge status signal
	Pre-A/C status signal
	Remaining time to charge completion (200 V) signal
	Remaining time to charge completion (100 V) signal
	VCM activation/deactivation command signal
	VCM status signal
	Li-ion battery available charge signal
	Li-ion battery capacity signal
	Li-battery gradual capacity loss signal
On board charger	AC input type signal