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HOMESERVICE MANUALSCHEVROLET2014EQUINOX LS, FWD, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTIGNITION SWITCH/STEERING LOCKWIRING SYSTEMS AND POWER MANAGEMENT - DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC INFORMATION AND PROCEDURESVEHICLE WILL NOT CHANGE POWER MODECIRCUIT/SYSTEM TESTING
2014 Chevrolet Equinox LS, FWD, Gas/Ethanol

Circuit/System Testing

2014 Chevrolet Equinox LS, FWD, Gas/EthanolSECTION Circuit/System Testing
  1. Ignition ON, disconnect the harness connector at the S39 Ignition Switch while the ignition is ON.
  2. Verify a test lamp illuminates between the B+ circuit terminal 2 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF, remove the test lamp.
    2. Test for less than 2 Ω in the B+ circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is good and there is voltage at the fuse.
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF remove the test lamp.
    2. Test for infinite resistance between the B+ circuit and ground.
      • If less than infinite resistance, repair the short to ground on one of the following circuits listed below:
        NOTE:

        To help isolate a short to ground, it may be necessary to disconnect modules that are connected to the following circuits:

      • B+ circuit terminal 2
      • Ignition circuit terminal 1
      • Ignition circuit terminal 3
      • Ignition circuit terminal 4
    • If the test lamp illuminates 
  3. Ignition ON.
  4. Test for 4.8-5.2 V between the 5 V reference circuit terminal 6 and ground.
    • If less than 4.8 V 
    1. Ignition OFF, disconnect the X3 harness connector at the K9 Body Control Module.
    2. Test for infinite resistance between the 5 V reference circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Test for less than 2 Ω in the 5 V reference circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, replace the K9 Body Control Module.
    • If greater than 5.2 V 
    1. Ignition OFF, disconnect the X3 harness connector at the K9 Body Control Module.
    2. Test for less than 1 V between the 5 V reference circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, replace the K9 Body Control Module.
    • If between 4.8-5.2 V 
  5. Ignition OFF, connect the harness connector at the S39 Ignition Switch. Disconnect the X3 harness connector at the K9 Body Control Module, ignition ON.
  6. Verify a test lamp illuminates between each of the ignition circuits listed below and ground:
    • Ignition circuit terminal 5
    • Ignition circuit terminal 6
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF remove the test lamp.
    2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is good and there is voltage at the fuse.
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF remove the test lamp.
    2. Test for infinite resistance between the ignition circuits listed below and ground.
      • Ignition circuit terminal 5
      • Ignition circuit terminal 6
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K9 Body Control Module.
    • If the test lamp illuminates 
  7. Ignition OFF with the key in.
  8. Verify a test lamp illuminates between ignition circuit terminal 15 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF with the key out, remove the test lamp.
    2. Test for less than 2 Ω in the ignition circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, verify the fuse is good and there is voltage at the fuse.
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Ignition OFF with the key out remove the test lamp.
    2. Test for infinite resistance between the ignition circuit terminal 15 and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K9 Body Control Module.
    • If the test lamp illuminates 
  9. Connect the X3 harness connector at the K9 Body Control Module, ignition ON.
  10. Disconnect the harness connector at the S39 Ignition Switch.
  11. Test for less than 1 V between each of the ignition circuits listed below and ground.
    • Ignition circuit terminal 1
    • Ignition circuit terminal 3
    • Ignition circuit terminal 4
    • If 1 V or greater 

      Repair the short to voltage on the circuit.

    • If less than 1 V 
  12. Test or replace the S39 Ignition Switch.
RENDER: 1.0x

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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.