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 Left Turn Signal on.
4. With the scan tool, read DTCs.
  Does the scan tool display DTC: B17F4-15-LEFT MIRROR SIGNAL LAMP 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 (L163) LEFT SIDE REPEATER LAMP CONTROL OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE IN THE HARNESS

Fig 1: Measuring Voltage Of Left Side Repeater Lamp Control Output Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Turn the Left Turn Signal off.
2. Turn the ignition off.
3. Disconnect the Left Side Repeater Lamp harness connector.
4. Disconnect the BCM A harness connector.
5. Turn the ignition on.
6. Measure the voltage between ground and the (L163) Left Side Repeater Lamp Control Output circuit.
  Is there any voltage present?
  
  Yes
  - Repair the short to voltage in the (L163) Left Side Repeater Lamp Control Output circuit.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE (L163) LEFT SIDE REPEATER LAMP CONTROL OUTPUT CIRCUIT FOR AN OPEN IN THE HARNESS

Fig 2: Checking Left Side Repeater Lamp Control Output Circuit For An Open In Harness
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Measure the resistance of the (L163) Left Side Repeater Lamp Control Output circuit between the Left Side Repeater Lamp 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 (L163) Left Side Repeater Lamp Control Output 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.
  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. Turn the ignition off.
2. Reconnect the BCM A harness connector.
3. Connect a 12-volt test light between the (L163) Left Side Repeater Lamp Control Output circuit and the (Z901) Ground circuit at the Left Side Repeater Lamp harness connector.
4. Turn the ignition on.
5. Turn the Left Turn Signal on.
  Does the test light blink on and off?
  
  Yes
  - Replace the Left Side Repeater Bulb in accordance with the Service Information. Refer to LAMP, SIDE REPEATER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the BCM in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .