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HOMESERVICE MANUALSCHEVROLET2014CAMARO ZL1, 2D CONVERTIBLE, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSFIXED AND MOVEABLE WINDOW SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B0283: ELECTRIC REAR DEFROST CIRCUIT SHORT TO GROUNDCOMPONENT TESTING
2014 Chevrolet Camaro ZL1, 2D Convertible, Standard Trans

Component Testing

2014 Chevrolet Camaro ZL1, 2D Convertible, Standard TransSECTION Component Testing

Relay Test

  1. Ignition OFF, disconnect the KR5 rear defogger relay.
  2. Test for 60-180 ohms between terminals 85 and 86.
    • If less than 60 ohms or greater than 180 ohms 

      Replace the KR5 rear defogger relay.

    • If between 60-180 ohms 
  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 KR5 rear defogger relay.

    • If infinite resistance 
  4. Install a 3A fused jumper wire between relay terminal 85 and 12V. Install a jumper wire between relay terminal 86 and ground.
  5. Test for less than 2 ohms between terminals 30 and 87.
    • If 2 ohms or greater 

      Replace the KR5 rear defogger relay.

    • If less than 2 ohms 
  6. All OK
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.