Pinpoint Test

VERIFY THE CUSTOMER CONCERN
1. Ignition ON.
2. Verify there is an observable symptom present.
  - Is an observable symptom present?
  - Yes: GO to step 2 .
  - No: The system is operating normally at this time. The Diagnostic Trouble Code (DTC) may have been set due to high network traffic or an intermittent fault condition.
CHECK THE COMMUNICATION NETWORK
1. Ignition ON.
2. Using a scan tool, perform a network test.
  - Does the Cruise-Control Module (C-CM) pass the network test?
  - Yes: GO to step 3 .
  - No: REFER to DIAGNOSTIC ROUTINE U .
RETRIEVE THE RECORDED Diagnostic Trouble Codes (DTCs) FROM THE Head Up Display (HUD) MODULE SELF-TEST
1. Using a scan tool, perform the Head Up Display (HUD) module self-test.
  - Is Diagnostic Trouble Code (DTC) U3003:16 or Diagnostic Trouble Code (DTC) U3003:1C recorded?
  - Yes: REFER to DIAGNOSTIC ROUTINE E or REFER to DIAGNOSTIC ROUTINE F .
  - No: GO to step 4 .
RECHECK THE Head Up Display (HUD) MODULE Diagnostic Trouble Codes (DTCs)
1. Using a scan tool, clear the Diagnostic Trouble Codes (DTCs).
2. Repeat the Head Up Display (HUD) module self-test.
  - Is Diagnostic Trouble Code (DTC) U0104:00 still present?
  - Yes: INSTALL a new Cruise-Control Module (C-CM). REFER to CRUISE CONTROL MODULE (C-CM) . CLEAR the Diagnostic Trouble Codes (DTCs). REPEAT the self-test.
    If Diagnostic Trouble Code (DTC) U0104:00 is still present, 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 Diagnostic Trouble Code (DTC) may have been set due to high network traffic or an intermittent fault condition.