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Home >> Mazda >> 1997 >> MX-5 Miata Base, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Component Testing >> Actuator >> Function Test

Function Test

Disconnect actuator cable from accelerator. Start engine to supply vacuum to actuator diaphragm. SeeFigure . Apply battery voltage and ground to specified terminals of actuator and observe actuator arm. See ACTUATOR FUNCTION TEST  . If actuator arm does not function as specified, replace actuator.

ACTUATOR FUNCTION TEST

Application/Terminals Actuator Arm Result
Apply 12 Volts To "C" & Ground "A", "B" & "D" Pull
Apply 12 Volts To "C" & Ground "A" & "D" Hold
Apply 12 Volts To "C" & Ground "A" Extend
Disconnect All Voltage & Ground Release