System Description

System Diagram 

Courtesy of NISSAN NORTH AMERICA, INC.

Description 

• ECM converts the pulse signal provided by the crankshaft position sensor to an engine speed signal and transmits it to the TCM via CAN communication.
• TCM transmits the engine speed signal received from ECM via CAN communication to the combination meter via CAN communication.
• The combination meter indicates the engine speed to the tachometer according to the engine speed signal received via CAN communication.