Kia Cadenza YG: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation
Kia Cadenza YG 2016-2021 Service Manual / Engine Control / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation
| Description |
Variable Intake manifold Solenoid (VIS) valves are installed
on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve 2).
These VIS valve 1 and 2 control vacuum modulators which activate valves
in the intake manifold and the surge tank. These valves are opened or
closed by ECM according to engine condition (Refer to below table).
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance between the OCV terminals 1 and 2. 4.
Specification ItemSpecificationCoil Resistance (Ω)30.0 ~ 35.0 [20°C(68°F)]
Other information:
Kia Cadenza YG 2016-2021 Service Manual: Compressor Repair procedures
Removal 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative cable from the battery. 3. Recover the refrigerant with a recovery/charging station.
Kia Cadenza YG 2016-2021 Service Manual: Photo Sensor Repair procedures
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
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