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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Engine Controls And Fuel - 3.6L - DTC P0335 To P2105) >> DTC P0627, P0628, or P0629 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test for 135-185 Ω between terminals 85 and 86 of the fuel pump relay.
    • If not within the specified range, replace the fuel pump relay.
  2. Measure the resistance between the terminals of the fuel pump relay listed below. The DMM should display O.L.
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If less than the specified value, replace the fuel pump relay.
  3. Connect a 15 A fused jumper wire from the positive terminal of the battery to relay terminal 86. Connect a jumper wire from the negative terminal of the battery to relay terminal 85. Test for less than 2 Ω between terminals 87 and 30 of the relay.
    • If greater than the specified range, replace the fuel pump relay.
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