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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P0627-P0629: Fuel Pump Relay >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF.
  2. Remove the KR107 Fuel Pump Relay from the electrical center.
  3. Test for 70 to110 Ω between terminals 85 and 86 of the KR23A Fuel Pump Relay.
    • If not within 70 to 110 Ω 

      Replace the KR23A Fuel Pump Relay.

    • If within 70 to 110 Ω 
  4. Test for infinite resistance between the following relay terminals:
    • 30 and 86
    • 30 and 87
    • 30 and 85
    • 85 and 87
    • If there is not infinite resistance 

      Replace the KR23A Fuel Pump Relay.

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

      Replace the KR23A Fuel Pump Relay.

    • If less than 2 Ω 
  7. All OK.