Check motor coil resistance
IG KEY "OFF", ENGINE "OFF".
Disconnect variable swirl control actuator connector.
Measure the resistance between motor plus terminal and motor minus terminal of variable swirl control actuator connector. (component side).
Specification : 15.0 ± 3 Ω (20℃)
Is the measured resistance within the specification?
![]() | ▶ Go to "2. Check motor operation". |
![]() | ▶ Replace variable swirl control actuator assy'. |
Check motor operation
IG KEY "ON" , ENGINE "ON".
Keep engine at idle state.
Monitor the waveform of variable swirl control actuator at motor plus terminal and motor minus terminal with two channel oscilloscope.
Accelerating engine to above 3000RPM, let variable swirl control actuator be opened(operates).
Specification : Refer to Signal Waveform & Data "Fig.1)", " Fig.2)".
Does variable swirl control actuator operate correctly?
![]() | ▶ Go to "Verification of Vehicle Repair". |
![]() | ▶ Replace variable swirl control actuator assy' and go to "Verification of Vehicle Repair". |