Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the Scan Tool, clear all TIPM DTC's.
3. Turn the Left Turn Signals on.
4. With the Scan Tool read the DTC information.
  Does the Scan Tool read: B1643-REAR LEFT TURN CONTROL CIRCUIT LOW?
  
  Yes
  - Go To 2.
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
LEFT REAR TURN SIGNAL BULB
1. Turn the ignition off.
2. Inspect the Left Rear Turn Signal Bulb assembly for a short condition.
  Is the inoperative bulb OK?
  
  Yes
  - Go to Step 3.
  No
  - Replace the inoperative bulb in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
TOTALLY INTEGRATED POWER MODULE
1. Turn the ignition off.
2. Disconnect the TIPM C3 connector.
3. Measure the resistance between ground and the (L63) Rear Left Turn Signal Control circuit.
  Is the resistance below 5.0 ohms?
  
  Yes
  - Repair the (L63) Rear Left Turn Signal Control circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Totally Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .