PL720 2WD L4-1952cc 2.0L SOHC (Z20) (1985)
Electronic Carburetor Control (ECC) Unit: Description and Operation
Electronic Controlled Carburetor (ECC)
Fig. 3 ECC control unit
The ECC control unit, Fig. 3, consists of a microprocessor with input, output and power supply connectors and an exhaust gas sensor monitor lamp.
The control unit controls the feedback pulse width and fuel shutoff operation.