4.
Verify that the intake actuator operates to the fresh position when connecting in the reverse.
Ignition "OFF"
Disconnect the intake actuator connector.
Verify that the actuator operates to the recirculation position when connecting 12V to the terminal 3 and grounding terminal 4.
Verify that the intake actuator operates to the fresh position when connecting in the reverse.
If the intake actuator is not operated well, substitute with a known-good intake actuator and check for proper operation.
If the problem is corrected, replace the intake actuator.
