Pinpoint Test
- CHECK FOR Head Up Display (HUD) MODULE Light-emitting Diode (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 Head Up Display (HUD) module Light-emitting Diodes (LEDs).
- Do the Head Up Display (HUD) module Light-emitting Diodes (LEDs) illuminate?
- Yes: The Head Up Display (HUD) module Light-emitting Diodes (LEDs) are operating correctly at this time. The concern may have been caused by extreme temperatures.
- No: GO to step 2 .
- CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a scan tool, perform a network test.
- Does the Head Up Display (HUD) module pass the network test?
- Yes: GO to step 3 .
- No: REFER to DIAGNOSTIC ROUTINE T .
- CHECK THE Diagnostic Trouble Codes (DTCs) FROM THE Head Up Display (HUD) MODULE SELF-TEST
- Using a scan tool, perform the Head Up Display (HUD) module self-test.
- Are any Diagnostic Trouble Codes (DTCs) recorded?
- Yes: REFER to DTC CHART: HEAD UP DISPLAY (HUD) MODULE .
- No: GO to step 4 .
- Using a scan tool, perform the Head Up Display (HUD) module self-test.
- CHECK THE Cruise-Control Module (C-CM) SELF-TEST
- Using a scan tool, perform the Cruise-Control Module (C-CM) Diagnostic Trouble Codes (DTCs) self-test.
- Are any Diagnostic Trouble Codes (DTCs) recorded?
- Yes: REFER to DTC CHART: CRUISE CONTROL MODULE (C-CM) .
- No: GO to step 5 .
- Using a scan tool, perform the Cruise-Control Module (C-CM) Diagnostic Trouble Codes (DTCs) self-test.
- CHECK FOR CORRECT Head Up Display (HUD) MODULE OPERATION
- Disconnect and inspect the Head Up Display (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 Head Up Display (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 On-Line Automotive Service Information System (OASIS) for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, DISCONTINUE this test and FOLLOW Technical Service Bulletin (TSB) instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Head Up Display (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.