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Home >> Cadillac >> 2007 >> XLR V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P0171 To DTC 00700 >> DTC P023A >> Component Testing >> CAC Pump Dynamic Test

CAC Pump Dynamic Test

  1. Install a 10A fused jumper wire between the B+ terminal 2 and 12 volts.
  2. Install a jumper wire between the ground terminal 1 and ground.
  3. Observe for the CAC pump to activate.
    • If the CAC pump does not activate, replace the CAC pump
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