MX-5 Miata L4-1597cc 1.6L DOHC (1992)
Voltage Signal: Description and Operation
Electrical Load Signals
^ Electrical load signals (component "ON") are sent to the ECU from the headlight, cooling fan and blower motor switches.
^ When these loads are present, the ECU activates the idle speed control (ISC) valve as needed to maintain correct idle speed.
