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Home >> Fiat >> 2017 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B1000-44 To B10AD-13 - 500 - Except Electric >> DTC Troubleshooting >> B1011-13 License Plate Lamp Circuit Open >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. With the scan tool, clear all DTCs.
    3. Turn the Park Lamps on.
    4. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  2

      No 

      • Test complete. The condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE (L3) LICENSE PLATE LAMP DRIVER CIRCUIT FOR AN OPEN 
    1. Turn the ignition off.
    2. Disconnect the License Plate Lamp harness connector.
    3. Disconnect the BCM C3 harness connector.
    4. Measure the resistance of the (L3) License Plate Lamp Driver circuit between the License Plate Lamp harness connector and the BCM C3 harness connector.

      Are the resistances below 5.0 Ohms?

      Yes 

      • Go To  3

      No 

      • Repair the open in the (L3) License Plate Lamp Driver circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  3. CHECK THE (Z941) GROUND CIRCUIT FOR AN OPEN 
    1. Using a 12-volt test light connected to 12 volts, check the (Z941) Ground circuit at the License Plate Lamp harness connector.

      Does the test light illuminate brightly?

      Yes 

      • Go To  4

      No 

      • Repair the open in the (Z941) Ground circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  4. CHECK THE BCM FOR CORRECT OPERATION 
    1. Turn the ignition off.
    2. Reconnect the BCM C3 harness connector.
    3. Connect a 12-volt test light between the (L3) License Plate Lamp Driver circuit and the (Z941) Ground circuit at the License Plate Lamp harness connector.
    4. Turn the ignition on.
    5. Turn the Park Lamps on.

      Does the test light illuminate brightly?

      Yes 

      • Replace the License Plate Lamp in accordance with the service information. Refer to REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Replace the BCM in accordance with the service information. Refer to REMOVAL .
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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