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Home >> Pontiac >> 2010 >> Solstice Base, 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 2.0L - DTC P000A To DTC P0238) >> DTC P0010, P0013, or P2088-P2091 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the harness connector at the appropriate camshaft position (CMP) actuator solenoid.
  2. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal A and ground.
    • If the test lamp does not illuminate, test the circuit for a short to ground or an open/high resistance. If the circuit tests normal and the ignition circuit fuse is open, test all the components connected to the ignition circuit and replace as necessary.
  3. Connect a DMM, set on the diode setting, between the control circuit terminal B and ground. The voltage should be greater than 2.0 V.
    • If the DMM displays O.L., test the control circuit for a short to voltage or an open/high resistance. If the circuit/connections test normal, replace the ECM.
    • If less than the specified value, test the control circuit for a short to ground. If the circuit tests normal, replace the ECM.
  4. Command the CMP actuator solenoid ON and OFF with a scan tool. The DMM should transition from greater than 2 V when commanded OFF to less than 1 V, when commanded ON.
    • If the circuit voltage does not correspond to the specified values, replace the ECM.
  5. If all circuits/connections test normal, test or replace the CMP actuator solenoid.
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