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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 114 (Engine Controls Self-Diagnostics) >> Diagnostic Tests >> DTC P0230: Fuel Pump Control Relay Circuit >> Test Description
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Test Description

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.

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.