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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics >> Diagnostic Tests >> DTC P0230: Fuel Pump Control Relay Circuit >> Test Description
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Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2 -  Listen for a click when the fuel pump relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 4 -  This step verifies that the PCM is providing voltage to the fuel pump relay.
  3. 5 -  This step tests for an open in the ground circuit to the fuel pump relay.
  4. 6 -  This step determines if voltage is constantly being applied to the control circuit of the fuel pump relay.

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