Hyundai Veloster: Manual climate control system

1. Turn the ignition switch to the ON position.
2. Select the defrost button
(
).
3. Press the air intake control
button at least 5 times within 3 seconds.
The indicator on the air intake button blinks 3 times with 0.5 seconds of interval. It indicates that the defogging logic is canceled or returned to the programmed status.
If the battery has been discharged or disconnected, it resets to the defog logic status.
Defogging logic
Automatic climate control systemHead Lamps. Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front bumper.
(Refer to the BD group - "Front bumper") ...
Variable Intake Solenoid (VIS) Valve. Description and Operation
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake
manifold. The VIS valve controls the vacuum modulator which activates a valve
in the intake manifold. The ...
Crankshaft Position Sensor (CKPS). Repair procedures
Inspection
1.
Check signal waveform of CKPS and CMPS using a GDS.
Specification:
Refer to “Waveform”
Re ...