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DTC Detecting Condition and Trouble Area

DIAGNOSTIC INFORMATION AND PROCEDURES REFERENCE CHART

DTC detecting condition Trouble area
DTC P0660: Intake Manifold Tuning Valve Control Circuit/Open 
IMT valve drive circuit voltage is out of specified value for 10 times.
(2 D/C detection logic but MIL does not light up)
  • IMT valve actuator and/or its circuit
  • ECM