Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all DTCs.
3. Turn the Right Turn Signal on.
4. With the scan tool, read DTCs.
  Does the scan tool display DTC: B1647-REAR RIGHT TURN LAMP CONTROL CIRCUIT LOW?
  
  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 STANDARD PROCEDURE .
ATTEMPT TO SET THE OPPOSITE DTC
1. Turn the Right Turn Signal off.
2. Turn the ignition off.
3. Disconnect the Right Tail Lamp Assembly harness connector.
4. Turn the ignition on.
5. Turn the Right Turn Signal on.
6. With the scan tool, read DTCs.
  Does the scan tool display DTC: B1648-REAR RIGHT TURN LAMP CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the Right Rear Turn Signal Bulb in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 3
CHECK THE (L62) RIGHT REAR TURN LAMP DRIVER CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector.
3. Measure the resistance between ground and the (L62) Right Rear Turn Lamp Driver circuit.
  Is the resistance above 10k Ohms?
  
  Yes
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Repair the short to ground in the (L62) Right Rear Turn Lamp Driver circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .