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Home >> Pontiac >> 2008 >> Solstice GXP, Automatic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - DTC B1370 To DTC B1441 & DTC P2535 >> DTC P2535 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the Run/Crank relay.
  2. Ignition ON, verify a test lamp does not illuminate between the Run/Crank voltage circuit terminal and ground.
    • If the test lamp illuminates, test the ignition 1 voltage circuit for a short to voltage. If the circuit tests normal, replace the BCM
  3. Reconnect the Run/Crank relay, and disconnect the harness connector of the ECM.
  4. Verify a test lamp does not illuminate between the Run/Crank voltage circuit terminal and ground.
    • If the test lamp illuminates, test the Run/Crank voltage circuit for a short to voltage. If the circuit tests normal, replace the Run/Crank relay.
  5. If all circuits test normal, replace the ECM.
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