Kia Niro: Engine Control System / Electric EGR Control Valve Repair procedures
[Motor]
| 1. |
Switch "OFF" the ignition.
|
| 2. |
Disconnect the EEGR valve connector.
|
| 3. |
Check if the EEGR valve is stuck by foreign material.
|
| 4. |
Measure the resistance between 1 and 3 control terminals of the motor.
|
| 5. |
Check that the resistance is within the specification.
|
Specification : 2.21 - 2.99 Ω [20°C (68 °F)]
|
|
[Feedback Position
Sensor]
| 1. |
Connect the KDS/GDS to the data link connector.
|
| 2. |
Fully open and fully close the EEGR valve by conducting the actuation
test.
|
| 3. |
Check that the voltage is within the specification
Item
|
Specification
|
Sensor Power (V)
|
5
|
Pin
|
3
|
Closed Voltage (V)
|
3.85 - 4.15
|
Open Voltage (V)
|
0.75 - 1.25
|
|
| 1. |
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
|
| 2. |
EGR cooler pipe.
(Refer to Engine Mechanical System - "EGR Cooler")
|
| 3. |
Remove the EEGR valve (B) after loosening the mounting bolts and nuts
(A).
|
| • |
Install the component to the specified torque.
|
| • |
Note that internal damage may occur when the component is dropped.
In this case, use it after inspecting.
|
| • |
Apply engine oil to the valve O-ring.
|
|
| 1. |
Install in the reverse order of removal.
|
Circuit Diagram
Harness Connector
...
Signal Waveform
Fig.1) Duty control [EEGR Motor (-)] during deceleration or idle
Fig.2) Duty control [EEGR Motor (+)] during acceleration ...
Electric EGR Control Valve Schematic diagrams
Electric EGR Control Valve Troubleshooting