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Circuit/System Testing

  1. Vehicle OFF, disconnect the harness connector at the S113 Charge Port Door Open Request Switch. Vehicle in Service Mode.
  2. Verify a test lamp illuminates between the B+ circuit terminal 1 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Vehicle OFF.
    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 not open and there is voltage at the fuse.
    • If the test lamp does not illuminate and the circuit fuse is open 
    1. Vehicle OFF.
    2. Test for infinite resistance between the B+ circuit and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance
    3. Disconnect the X2 harness connector at the K114B Hybrid/EV Powertrain Control Module 2.
    4. Test for infinite resistance between the signal circuit terminal 2 and ground.
      • If less than infinite resistance, repair the short to ground on the circuit.
      • If infinite resistance, replace the K114B Hybrid/EV Powertrain Control Module 2.
    • If the test lamp illuminates 
  3. Vehicle OFF, connect the harness connector at the S113 Charge Port Door Open Request Switch. Disconnect the X2 harness connector at the K114B Hybrid/EV Powertrain Control Module 2.
  4. Connect a test lamp between the signal circuit terminal 29 and ground.
  5. Verify the test lamp turns ON and OFF by pressing the S113 Charge Port Door Open Request Switch.
    • If the test lamp is always OFF 
    1. Vehicle OFF, remove the test lamp, disconnect the harness connector at the S113 Charge Port Door Open Request Switch.
    2. Test for infinite resistance between the signal 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 control circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, test or replace the S113 Charge Port Door Open Request Switch.
    • If the test lamp is always ON 
    1. Vehicle OFF, remove the test lamp, disconnect the harness connector at the S113 Charge Port Door Open Request Switch, Vehicle in Service Mode.
    2. Test for less than 1 V between the control circuit and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V, test or replace the S113 Charge Port Door Open Request Switch.
    • If the test lamp turns ON and OFF 
  6. Replace the K114B Hybrid/EV Powertrain Control Module 2.
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