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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 4.6L - DTC P0351 To DTC P2440) >> DTC P0411 >> Component Testing >> Notes

Component Testing: Notes

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Relay Test

  1. Test between the normally closed switch terminals, if any, for 0 ohms.
  2. Test between the normally open switch terminals for infinite ohms.
  3. Test between each switch terminal and either coil terminal for infinite ohms.
  4. Connect the relay coil terminals to ground and fused power to energize the relay.
  5. Test between each switch terminal and each coil terminal for 0 volts.
  6. Test between the normally closed switch terminals, if any for infinite ohms.
  7. Test between the normally open switch terminals for 0 ohms.
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