Pinpoint Test
- CHECK FOR HUD MODULE LED PROVE OUT TESTNOTE: Remove the vehicle from the extreme heat source or sunload condition prior to testing the vehicle.
- Ignition ON.
- While placing the ignition 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 2 .
- CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a scan tool, perform a network test.
Does the HUD module pass the network test?
- Yes: GO to 3 .
- No: REFER to DIAGNOSTIC ROUTINE T : The Head Up Display (HUD) Module Does Not Respond To The Scan Tool.
- CHECK THE DTCs
FROM THE HUD MODULE SELF-TEST
- Using a scan tool, perform the HUD module self-test.
Are any DTCs recorded?
- Yes: REFER to DTC Chart: Head Up Display (HUD) Module .
- No: GO to 4 .
- CHECK THE C-CM
SELF-TEST
- Using a scan tool, perform the C-CM DTCs self-test.
Are any DTCs recorded?
- Yes: REFER to DTC CHART: CRUISE CONTROL MODULE (C-CM) - Adaptive.
- No: GO to 5 .
- 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.