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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 690 (Engine Controls And Fuel - 2.2L (L61) - DTC P0016 To DTC P0418) >> DTC P0230 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Relay Test 

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