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Home >> Pontiac >> 2000 >> Firebird Formula, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Starting System) >> Diagnostic Tests >> DTC P0615: Starter Relay Output Driver Module Circuit Malfunction >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Did you perform the Engine Electrical Diagnostic System Check? If yes, go to step  2 . If no, go to DIAGNOSTIC SYSTEM CHECK - ENGINE ELECTRICAL  .
    NOTE: Listen for an audible click when the STARTER relay operates. Turn the ignition switch back and forth from the ON to START positions. Repeat this as necessary.
  2. Install a scan tool. Turn ON the ignition, with the engine OFF. Turn the ignition back and forth from the ON to START positions. Does the STARTER relay click with each command? If yes, go to INTERMITTENTS OR POOR CONNECTIONS  . If no, go to step  3 .
    NOTE: Tests for voltage at the coil side of the STARTER relay. The PCM IGN fuse supplies power to the coil side of the Start 1 relay.
  3. Turn OFF the ignition. Disconnect the STARTER relay. Turn ON the ignition, with the engine OFF. Probe the battery positive voltage of the STARTER relay coil circuit with a test lamp that is connected to a good ground. Does the test lamp illuminate? If yes, go to step  4 . If no, go to step  8 .
    NOTE: Verifies that the PCM is providing ground to the STARTER relay.
  4. Connect a test lamp between the control circuit of the STARTER relay and the battery positive voltage of the STARTER relay coil circuit. Turn the ignition back and forth from the ON to START positions. Does the test lamp turn ON and OFF with each command? If yes, go to step  6 . If no, go to step  5 .
  5. Test the control circuit of the STARTER relay for a short to voltage or an open. Did you find and correct the condition? If yes, go to step  11 . If no, go to step  7 .
  6. Inspect for poor connections at the STARTER relay. Refer to INTERMITTENTS OR POOR CONNECTIONS  . Did you find and correct the condition? If yes, go to step  11 . If no, go to step  9 .
  7. Inspect for poor connections at the PCM. Refer to INTERMITTENTS OR POOR CONNECTIONS  . Did you find and correct the condition? If yes, go to step  11 . If no, go to step  10 .
  8. Repair the battery positive voltage circuit of the STARTER relay. Did you complete the repair? If yes, go to step  11 .
  9. Replace the STARTER relay. Did you complete the replacement? If yes, go to step  11 .
  10. The replacement PCM must be programmed. Replace the PCM. Refer to POWERTRAIN CONTROL MODULE . Is the action complete? If yes, go to step  11 .
  11. Review and record scan tool Fail Records data. Clear DTCs. Operate vehicle within Fail Records conditions as noted. Using a scan tool, monitor the Specific DTC Information for DTC P0615. Does the scan tool indicate DTC P0615 failed this ignition? If yes, go to step  2 . If no, system is OK.
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