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Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Controls And Fuel - 3.5L - DTC P0010 Through DTC P0340) >> DTC P0230 >> Component Testing

Component Testing

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  1. Test for 70-110 Ω between terminals 85 and 86.
    • If the resistance is not within the specified range, replace the fuel pump relay.
  2. Test for infinite resistance between the following terminals:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If not the specified value, replace the fuel pump relay.
  3. Install a 15 A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground. Test for less than 2 Ω between terminals 30 and 87.
    • If greater than the specified range, replace the fuel pump relay.