Turn the ignition switch OFF.
Disconnect the intake actuator connector.
Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.
Verify that the intake actuator operates to the recirculation position when connected in reverse.
1. - 2. - 3. Recirculated air 4. Fresh air | 5. Sensor (+ 5V) 6. Feedback signal 7. Sensor ground |
Connect the intake actuator connector.
Turn the ignition switch ON.
Check the voltage between terminal 6 and 7.
Specification
Door position | Voltage (V) | Error detecting |
Fresh air | 0.5 | Low voltage : 0.1V or less High voltage : 4.9V or less |
Recirculated air | 4.5 |
It will feedback the current position of the actuator to controls.
If the intake actuator does not operate well, substitute with a known-good intake actuator and check for proper operation.
Replace the intake actuator if it is proved that there is a problem with it.
