Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. Turn the Headlamps on.
4. With the scan tool, read DTCs.
  Does the scan tool display DTC: B162A-15-LEFT LOW BEAM CONTROL - CIRCUIT SHORT TO BATTERY OR OPEN?
  
  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 .
CHECK THE (L43) LEFT LOW BEAM DRIVER CIRCUIT FOR A SHORT TO VOLTAGE IN THE HARNESS

Fig 1: Checking Left Low Beam Driver Circuit For A Short To Voltage In Harness
Courtesy of CHRYSLER GROUP, LLC
1. Turn the Headlamps off.
2. Turn the ignition off.
3. Disconnect the Left Front Lamp Assembly C1 harness connector.
4. Disconnect the BCM A harness connector.
5. Turn the ignition on.
6. Measure the voltage between ground and the (L43) Left Low Beam Driver circuit.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (L43) Left Low Beam Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (L43) LEFT LOW BEAM DRIVER CIRCUIT FOR AN OPEN IN THE HARNESS

Fig 2: Checking Left Low Beam Driver Circuit For An Open In Harness
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance of the (L43) Left Low Beam Driver circuit between the Left Front Lamp Assembly C1 harness connector and the BCM A harness connector.
  Is the resistance below 5.0 Ohms?
  
  Yes
  - Go To 4
  No
  - Repair the open in the (L43) Left Low Beam Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (Z901) GROUND CIRCUIT FOR AN OPEN IN THE HARNESS

Fig 3: Checking Ground Circuit For An Open In Harness
Courtesy of CHRYSLER GROUP, LLC
1. Using a 12-volt test light connected to 12-volts, check the (Z901) Ground circuit at the Left Front Lamp Assembly C1 harness connector.
  Does the test light illuminate brightly?
  
  Yes
  - Go To 5
  No
  - Repair the open in the (Z901) Ground circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE BCM FOR CORRECT OPERATION

Fig 4: Checking BCM For Correct Operation
Courtesy of CHRYSLER GROUP, LLC
1. Reconnect the BCM A harness connector.
2. Connect a 12-volt test light between the (L43) Left Low Beam Driver circuit and the (Z901) Ground circuit in the Left Front Lamp Assembly C1 harness connector.
3. Turn the ignition on.
4. Turn the Headlamps on.
  Does the test light illuminate brightly?
  
  Yes
  - Replace the Left Low Beam Bulb in accordance with the Service Information. Refer to UNIT, FRONT LAMP, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Body Control Module (BCM) in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .