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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls And Fuel - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - DTC P0010 To DTC P0333) >> Diagnostic Information and Procedures >> DTC P023A: Charge Air Cooler Coolant Pump Relay >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On,
  2. Verify a click is heard or felt from the KR18 Charge Air Cooler Coolant Pump Relay when commanding the Charge Air Cooler Coolant Pump On and Off with a scan tool.
    • If a click is not heard or felt 

      Refer to Circuit/System Testing

    • If a click is heard or felt 
  3. Verify the circuit status parameters listed below do not display Malfunction when commanding the Charge Air Cooler Coolant Pump On and Off with a scan tool:
    • Charge Air Cooler Coolant Pump Relay Control Circuit High Voltage Test Status
    • Charge Air Cooler Coolant Pump Relay Control Circuit Open Test Status
    • Charge Air Cooler Coolant Pump Relay Control Circuit Low Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing

    • If Malfunction is not displayed 
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  5. Verify a DTC does not set.
    • If a DTC sets 

      Refer to Circuit/System Testing

    • If a DTC does not set 
  6. All OK
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