Pinpoint Test G: The HUD Module Is Inoperative

G1 CHECK FOR HUD MODULE LED PROVE OUT TEST
NOTE: Remove the vehicle from the extreme heat source or sunload condition prior to testing the vehicle.
- Ignition ON.
- While placing the ignition switch in RUN, observe the HUD module LEDs.
- Do the HUD module LEDs illuminate?
- Yes : The HUD Module LEDs are operating correctly at this time. The concern may have been caused by extreme temperatures.
- No : GO to G2.
G2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: Network Test.
- Using a scan tool, perform the network test.
- Does the HUD module pass the network test?
- Yes : GO to G3.
- No : REFER to MODULE COMMUNICATIONS NETWORK , The HUD module Does Not Respond To The Scan Tool.
G3 CHECK THE DTCs FROM THE HUD MODULE SELF-TEST
- Enter the following diagnostic mode on the scan tool: HUD Module Self-Test.
- Are any DTCs recorded?
- Yes : REFER to DTC CHARTS .
- No : GO to G4.
G4 CHECK THE DTCs FROM THE C-CM SELF-TEST
- Enter the following diagnostic mode on the scan tool: C-CM Module Self-Test.
- Are any DTCs recorded?
- Yes : REFER to CRUISE CONTROL NON-ADAPTIVE .
- No : GO to G5.
G5 CHECK FOR CORRECT HUD MODULE OPERATION
- Disconnect and inspect the HUD module connector.
- Repair:
  - corrosion (install new connector or terminals - clean module pins)
  - damaged pins - install new terminals/pins
  - pushed-out pins - install new pins as necessary
- Reconnect the HUD module connector. Make sure it seats and latches correctly.
- Operate the system and determine if the concern is still present.
- Is the concern still present?
- Yes : CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new HUD module. REFER to HEAD UP DISPLAY (HUD) MODULE .
- No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.