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DTC Detecting Condition and Trouble Area

P0660 DTC DETECTING CONDITION CHART

DTC detecting condition Trouble area
DTC P0660: Intake Manifold Tuning Valve Control Circuit/Open 
Monitor signal of IMT vacuum solenoid valve drive circuit is low level (ON) for 5 sec. even if IMT vacuum solenoid valve is unoperated.
(2 D/C detection logic but MIL does not light up)
  • IMT vacuum solenoid valve and/or its circuit
  • ECM
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