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Home >> Chevrolet >> 2016 >> Cruze Premier >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B356A: Vehicle Direction Warning Switch Circuit >> Circuit/System Testing
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Circuit/System Testing

  1. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the S70L Steering Wheel Controls Switch - Left.
  2. Ignition ON.
  3. Verify the scan tool Vehicle Direction Warning Switch Status parameter is Open.
    • If not Open 
    1. Ignition OFF, disconnect the harness connector at the K109 Frontview Camera Module.
    2. Test for infinite resistance between the S70L Steering Wheel Controls Switch - Left signal circuit terminal 1 and ground.
    • If less than infinite resistance, repair the short to ground on the circuit.
    • If infinite resistance, replace the K109 Frontview Camera Module.
    • If Open 
  4. Install a 3 A fused jumper wire between the signal circuit terminal 1 and ground.
  5. Verify within 10 s the scan tool Vehicle Direction Warning Switch Status parameter is Closed.
    • If not Closed 
    1. Ignition OFF, disconnect harness connector at the K109 Frontview Camera Module. Ignition ON.
    2. Test for less than 1 V between the S70L Steering Wheel Controls Switch - Left signal circuit terminal 1 and ground.
      • If 1 V or greater, repair the short to voltage on the circuit.
      • If less than 1 V.
    3. Test for less than 2 Ω in the signal circuit end to end.
    • If 2 Ω or greater, repair the open/high resistance in the circuit.
    • If less than 2 Ω, replace the K109 Frontview Camera Module.
    • If Closed 
  6. Test or replace the S70L Steering Wheel Controls Switch - Left.
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