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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls/Fuel - 1.8L - DTC Diagnostics, Troubleshooting & Diagnosis) >> Diagnostic Information and Procedures >> Intake Manifold Runner Control System Diagnosis >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON, observe the scan tool DTC information. Verify that DTCs P0660, P2070, P2071, P2076, P2077, or P2078 are not set.
  2. Command the Intake Manifold Tuning Valve ON with a scan tool. The intake manifold tuning valve actuator should move to the closed position.
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