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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Power Mode Mismatch >> Component Testing >> Relay Test

Relay Test

  1. Ignition OFF, disconnect the appropriate relay.
  2. Test for 70-150 Ω between terminals 85 and 86.
    • If less than 70 or greater than 150 Ω 

      Replace the relay.

    • If between 70-150 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. Test for less than 5.0 Ω between terminals 30 and 87.
    • If 5.0 Ω or greater 

      Replace the relay.

    • If less than 5.0 Ω 
  5. Install a 3A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground.
  6. Test for less than 5.0 Ω between terminals 30 and 87.
    • If 5.0 Ω or greater 

      Replace the relay.

    • If less than 5.0 Ω 
  7. All OK
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