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Home >> Cadillac >> 2021 >> CT5 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Controls And Fuel - 3.0L (LGY) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P05CC-P05CF >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition/Vehicle - Off
  2. Remove the component: Q6 Camshaft Position Actuator Solenoid Valve
  3. Verify a condition does not exist with the component: Q6 Camshaft Position Actuator Solenoid Valve
    • Engine Oil - Leaking @ Harness Connector
    • Screen - Misaligned / Missing / Restricted / Torn
    • Valve - Scored/Visible Damage
    • If a condition exists 

      Test or replace the component: Q6 Camshaft Position Actuator Solenoid Valve

    • Go to next step: If no condition exists 
    4. NOTE:

    It may be necessary to use jumper wires if the connector indexing is different between the connectors.

  4. Swap the two components: Q6 Camshaft Position Actuator Solenoid Valve & Another known good component.
  5. Engine - Running
    6. NOTE:
    • This step is testing the mechanical camshaft position actuator for the camshaft that set the DTC.
    • Perform this test at the original location that set the DTC.
  6. Perform the scan tool control function:
    • Intake Camshaft Position Actuator Position Bank 2 - From 0 to 20° and back to 0°
    • Intake/Single Camshaft Position Actuator Position - From 0 to 20° and back to 0°
    • Verify the scan tool parameter:
    • Intake/Single Camshaft Position Variance = Less than 3° - During each of the commanded states
    • Intake Camshaft Position Variance Bank 2 = Less than 3° - During each of the commanded states
    • If 3° or greater 

      Replace the component: Camshaft Position Actuator

    • Go to next step: If less than 3° 
  7. Test or replace the component: Q6 Camshaft Position Actuator Solenoid Valve - The original component that set the DTC
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