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Component Testing

WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the KR86 Transmission Fluid Pump Relay - Auxiliary.
  2. Test for 85-130 Ω between terminals 85 and 86.
    • If less than 85 Ω or greater than 130 Ω 

      Replace the relay.

    • If between 85-130 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 3 A fused jumper wire between relay terminal 85 and 12 volts. 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.
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