Diagnostic Test

INTERMITTENT CONDITION
1. Turn the ignition on.
2. With the scan tool, clear all TIPM DTCs.
3. Turn the Headlamps on.
4. With the scan tool read the DTC information.
  Does the scan tool read: B1634-LEFT HI BEAM CONTROL CIRCUIT HIGH?
  
  Yes
  - Go to Step 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 HIGH BEAM LAMP
1. Turn the ignition off.
2. Inspect the Left High Beam Lamp assembly for an open 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 .
(L33) HIGH BEAM CONTROL CIRCUIT
1. Turn the ignition off.
2. Disconnect the TIPM C3 harness connector.
3. Measure the resistance of the (L33) Left High Beam Control circuit at the TIPM.
  Is the resistance above 5.0 Ohms?
  
  Yes
  - Repair the (L33) Left High Beam Control circuit for a short to battery condition.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .