Component Inspection
1.

Check variable swirl control actuator position sensor resistance

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect variable swirl control actuator.

(3)

Measure the resistance of variable swirl control actuator component terminal 3,4,5 referring "Terminal resistance table" as follows.

1)

Specification : Terminal resistance table

Detecting terminal

Resistance ( KΩ 20℃ )

Characteristic

Component connector shape

Valve fully opend

Valve fully closed

Variable swirl control actuator position sensor

3(power)-5(ground)

4.47±0.1KΩ

4.47±0.1KΩ

Stable

3(power)-4(signal)

4.81±0.1KΩ

0.85±0.1KΩ

Resistance drops

4(signal)-5(ground)

0.75±0.1KΩ

4.71±0.1KΩ

Resistance rises

(4)

Is the measured resistance within the specification?

YES

a.

"2. Check variable swirl control actuator position sensor operation".

NO

a.

Replace variable swirl control actuator assy′ and go to "Verification of Vehicle Repair".

2.

Check variable swirl control actuator position sensor operation

(1)

IG KEY "ON" , ENGINE "ON".

(2)

Keep engine at idle state.

(3)

Monitor the waveform of variable swirl control actuator terminal 4 with oscilloscope.

(4)

Turning off engine, monitor the waveform of variable swirl control actuator at the point of operation stop.

1)

Specification : Refer to Signal Waveform & Data "Fig.3)"

(5)

Does variable swirl control actuator and position sensor operations are OK?

YES

a.

Go to "Verification of Vehicle Repair".

NO

a.

Replace variable swirl control actuator assy′ and go to "Verification of Vehicle Repair".

Яндекс.Метрика