Pinpoint Test C : The Head Up Display (HUD) Module Is Inoperative
- C1 CHECK FOR HUD (HEAD UP DISPLAY) MODULE LED PROVE OUT TESTNOTE: Remove the vehicle from any extreme heat source or sunload condition prior to testing the vehicle.
- Ignition ON.
- While placing the ignition switch in RUN, observe the HUD module Light Emitting Diodes (LEDs).
Do the HUD module Light Emitting Diodes (LEDs) illuminate?
Yes The HUD module Light Emitting Diodes (LEDs) are operating correctly at this time. The concern may have been caused by extreme temperatures. No GO to C2 - C2 CHECK THE COMMUNICATION NETWORK
- Ignition ON.
- Using a diagnostic scan tool, perform the network test.
Does the HUD module pass the network test?
Yes GO to C3 No REFER to: Communications Network . - C3 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE HUD (HEAD UP DISPLAY) MODULE SELF-TEST
- Using a diagnostic scan tool, perform a HUD module self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to HUD DTC Chart . No GO to C4 - C4 CHECK THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE CCM (CRUISE CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform a CCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes If DTC C1001:08 or C1A67:08 is recorded, GO to Pinpoint Test B For all other CCM Diagnostic Trouble Codes (DTCs), REFER to: Cruise Control . No GO to C5 - C5 CHECK FOR CORRECT HUD (HEAD UP DISPLAY) OPERATION
- Ignition OFF.
- Disconnect and inspect HUD module connector.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent 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 service articles TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service article 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.