Function Test
Start engine to supply vacuum to actuator diaphragm. Observe actuator arm when battery voltage is applied across specified terminals of actuator connector. See ACTUATOR FUNCTION TEST . SeeFigure . If actuator arm does not function as specified, replace actuator.
ACTUATOR FUNCTION TEST
| Application | Actuator Arm Result |
|---|---|
| Apply 12 Volts To Pins "B" & "C" & Ground Pins "A" & "D" | Pull |
| Apply 12 Volts To Pins "B" & "C" & Ground Pin "A" | Hold |
| Apply 12 Volts To Pins "C" & "D" & Ground Pins "A" & "B" | Extend |
| Disconnect All Voltage & Ground | Release |