1. Intake actuator
1.Turn the ignition switch OFF.
2.Disconnect the intake actuator connector.
3.Verify that the intake actuator operates to the fresh air position when connecting 12V to terminal 3 and grounding terminal 4.Verify that the intake actuator operates to the recirculated air position when connected in reverse.
1. -
2. -
3. Recirculated air
4. Fresh air
5. Sensor ground
6. Feedback signal
7. Sensor (+ 5V)
4.Connect the intake actuator connector.
5.Turn the ignition switch ON.
6.Check the voltage between terminal 5 and 6.
Door position | Voltage (V) | Error detecting |
Fresh air | 0.3 ± 0.15 | Low voltage : 0.1V or less High voltage : 4.9V or more |
Recirculated air | 4.7 ± 0.15 |
7.If the intake actuator does not operate well, substitute with a known-good intake actuator and check for proper operation.
8.Replace the intake actuator if it is proved that there is a problem with it.
1.Disconnect the negative (-) battery terminal.
2.Remove the main crash pad assembly.(Refer to Body (Interior and Exterior) - "Main Crash Pad Assembly")
3.Disconnect the connector (A) and loosen the mounting screws and remove the intake actuator (B).
4.Install in the reverse order of removal.
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Troubleshooting
- Troubleshooting
Trouble symptomProbable causeRemedy
Engine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as required
Ignition coilInspect ignition coil, or replace as required
Spark plugsInspect spark plugs, or replace as required
...
Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Knock Sensor (KS)
- Description
Knocking is a phenomenon characterized by undesirable vibration and
noise that can cause engine damage. Knock Sensor (KS) is installed on
the cylinder block and senses engine knocking.When knocking occurs, the
vibration from the cylinder block is applied as pressure to the
p ...