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Home >> Chevrolet >> 2015 >> SS Automatic Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC P0615: Starter Relay Control Circuit >> Component Testing

Component Testing

Relay Test

  1. Ignition OFF, disconnect the KR27 Starter Relay.
  2. Test for 60-180 Ω between terminals 85 and 86.
    • If less than 60 or greater than 180 Ω 

      Replace the relay.

    • If between 60-180 Ω 
  3. Test for infinite resistance between the terminals listed below:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If less than infinite resistance 

      Replace the relay.

    • If infinite resistance 
  4. Install a 20 A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground.
  5. Test for less than 2 Ω between terminals 30 and 87.
    • If 2 Ω or greater 

      Replace the relay.

    • If less than 2 Ω 
  6. All OK