Pinpoint Test

1. Ignition ON.
2. Verify there is an observable symptom present.

Is an observable symptom present? 

1. Yes: GO to 2  .
2. No: The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

1. Ignition ON.
2. Using a scan tool, perform a network test.

Does the HUD module pass the network test? 

1. Yes: GO to 3  .
2. No: REFER to DIAGNOSTIC ROUTINE T : The Head Up Display (HUD) Module Does Not Respond To The Scan Tool.

1. Using a scan tool, perform the C-CM  and the HUD module self-tests.

Is DTC U3003:16, DTC U3003:17 or U3003:1C recorded? 

1. Yes: For the C-CM  , REFER to Diagnostic Routine Q: U3003:16 , or REFER to Diagnostic Routine R: U3003:17 .

   For the HUD module, REFER to DIAGNOSTIC ROUTINE F : U3003:1C.

2. No: GO to 4  .

1. NOTE: If new modules were installed prior to the DTC being set, the module configuration can be incorrectly set during the PMI or the PMI may not have been carried out.

   Using a scan tool, clear the DTCs  .

2. Repeat the C-CM  self-test.

Is DTC U0158:00 still present? 

1. Yes: INSTALL a new HUD module. REFER to HEAD UP DISPLAY (HUD) MODULE . CLEAR the DTCs  . REPEAT the self-test. If DTC U0158:00 is still present, INSTALL a new C-CM  . REFER to Cruise Control Module (C-CM) .
2. No: The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.