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 table. SeeFigure . If actuator arm does not function as specified, replace actuator.
ACTUATOR FUNCTION TEST
| Application | Actuator Arm Result |
|---|---|
| Apply 12 Volts To Terminal "C" & Ground Terminals "A", "B" & "D" | Pull |
| Apply 12 Volts To Terminal "C" & Ground Terminals "A" & "D" | Hold |
| Apply 12 Volts To Terminal "C" & Ground Terminal "A" | Extend |
| Disconnect All Voltage & Ground | Release |