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Home >> Chevrolet >> 2014 >> Camaro LS, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Secondary And Configurable Customer Control System >> Diagnostic Information and Procedures >> DTC B3622: Steering Wheel Controls >> Circuit/System Testing
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Circuit/System Testing

  1. Ensure a battery charger is not connected to the battery.
  2. Ignition OFF and all vehicle systems OFF, disconnect the harness connector at the S70R Steering Wheel Controls Switch - Right, ignition ON.
  3. Test for 11-12.2V between the reference voltage circuit terminal1 and ground.
    • If less than 11V 
    1. Ignition OFF, disconnect the harness connector at the K9 Body Control Module.
    2. Test for infinite resistance between the reference voltage 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 ohms in the reference voltage circuit end to end.
      • If 2 ohms or greater, repair the open/high resistance in the circuit.
      • If less than 2 ohms, replace the K9 Body Control Module.
    • If greater than 12.2V 
    1. Ignition OFF, disconnect the harness connector at the K9 Body Control Module, ignition ON.
    2. Test for less than 1V between the reference voltage circuit and ground.
      • If 1V or greater, repair the short to voltage on the circuit.
      • If less than 1V, replace the K9 Body Control Module.
    • If between 11-12.2V 
  4. Test for 11-12.2V between the reference voltage circuit terminal 1 and signal circuit terminal 2.
    • If not between 11-12.2V 
    1. Ignition OFF, disconnect the harness connector at the K9 Body Control Module.
    2. Test for less than 1V between the signal circuit and ground.
      • If 1V or greater, repair the short to voltage on the circuit.
      • If less than 1V
    3. Test for less than 2 ohms in the signal circuit end to end.
      • If 2 ohms or greater, repair the open/high resistance in the circuit.
      • If less than 2 ohms replace the K9 Body Control Module.
    • If between 11-12.2V 
    1. Ignition OFF, disconnect the harness connector at the K9 Body Control Module.
    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, replace the S70R Steering Wheel Controls Switch - Right.
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