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HOMESERVICE MANUALSCHEVROLET2012CAMARO LS, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINTERIOR/ILLUMINATION LIGHTSLIGHTING SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESBACKUP LAMPS MALFUNCTION (AUTOMATIC TRANSMISSION)CIRCUIT/SYSTEM TESTING
2012 Chevrolet Camaro LS, Standard Trans

Circuit/System Testing

2012 Chevrolet Camaro LS, Standard TransSECTION Circuit/System Testing
  1. Ignition OFF, disconnect the X5 harness connector at the K9 body control module, ignition ON.
  2. Verify a test lamp illuminates between the B+ circuit terminal 4 and ground.
    • If the test lamp does not illuminate and the circuit fuse is good 
    1. Ignition OFF, disconnect the X2 harness connector at the X50A fuse block - underhood.
    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. Ignition OFF, disconnect the X2 harness connector at the X50A fuse block - underhood.
    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, replace the K9 body control module.
    • If the test lamp illuminates 
  3. Ignition OFF, connect the X5 harness connector at the K9 body control module.
  4. Ignition OFF, exterior lamps OFF, disconnect the harness connector at the appropriate E5 backup lamp.
  5. Test for less than 5 Ω between the ground circuit terminal 2 and ground.
    • If 5 Ω or greater 
    1. Ignition OFF.
    2. Test for less than 2 Ω in the ground circuit end to end.
      • If 2 Ω or greater, repair the open/high resistance in the circuit.
      • If less than 2 Ω, repair the open/high resistance in the ground connection.
    • If less than 5 Ω 
  6. Connect a test lamp between the control circuit terminal 1 and ground, ignition ON.
  7. Verify the test lamp turns ON and OFF when commanding the Backup Lamps ON and OFF with a scan tool.
    • If the test lamp is always OFF 
    1. Ignition OFF, disconnect the X7 harness connector at the K9 body control module.
    2. Test for infinite resistance between the control 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, replace the K9 body control module.
    • If the test lamp is always ON 
    1. Ignition OFF, disconnect the X7 harness connector at the K9 body control module, ignition ON.
    2. Test for less than 1 V between the control circuit terminal 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 the test lamp turns ON and OFF 
  8. Test or replace the appropriate E5 backup lamp.
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