LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2012 >> Enclave AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls/Fuel - 3.6L - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2534 (Fuel Pump Control Module) >> Component Testing

Component Testing

Relay Test

  1. Ignition OFF, disconnect the RUN/CRANK relay.
  2. Test for 60-180 ohms 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:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If less than infinite resistance, replace the RUN/CRANK relay.
  4. Install a 20-amp fused jumper wire between relay terminal 85 and 12 volts. Install a jumper wire between relay terminal 86 and ground. Test for less than 2.0 ohms between terminals 30 and 87.
    • If greater than 2.0 ohms, replace the RUN/CRANK relay.
scientia non olet · About LEMON Manuals