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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Wiring Systems And Power Management - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B147E or B147F: Battery Saver Relay >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Relay Test

  1. Ignition OFF, disconnect the KR104A Battery Saver Relay 1.
  2. Test for 70-150 Ω between terminals the following terminals.
    • 1 and 6
    • 2 and 6
    • If less than 70 or greater than 150 Ω 

      Replace the relay.

    • If between 70-150 Ω 
  3. Install a 3 A fused jumper wire between relay terminal 1 and 12 V. Install a jumper wire between relay terminal 6 and ground.
  4. Test for infinite resistance between the following terminals:
    • 3 and 6
    • 3 and 5
    • 3 and 1
    • 3 and 2
    • 1 and 5
    • 2 and 5
    • If less than infinite resistance 

      Replace the relay.

    • If infinite resistance 
  5. Install a 3 A fused jumper wire between relay terminal 1 and 12 V. Install a jumper wire between relay terminal 6 and ground.
  6. Test for less than 5.0 Ω between terminals 3 and 5.
    • If 5.0 Ω or greater 

      Replace the relay.

    • If less than 5.0 Ω 
  7. All OK