Inspection and Verification: Notes
WARNING: This page is about a different car, the 2003 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
- Verify the customer concern.
- Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
- If the cause is not visually evident, connect the diagnostic tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
- check that the program card is correctly installed.
- check the connections to the vehicle.
- check the key position.
- If the diagnostic tool still does not communicate with the vehicle, Refer to the diagnostic tool operating manual.
- Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- SCP+ or SCP- circuit fault; all electronic control units no response/not equipped, Refer to MODULE COMMUNICATIONS NETWORK .
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the audio unit.
- If the DTCs retrieved are related to the concern, go to the AUDIO UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDEX or the NAVIGATION SYSTEM MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX .
- If no DTCs related to the concern are retrieved, GO to Symptom Chart .
- If the fault is visually evident, GO to Symptom Chart .
- If the fault is not visually evident, proceed to speaker walk-around test (CDX6 and DM100i), audio unit self-diagnostic mode or the diagnostic tool (VNR).
NOTE:
The audio unit must be in AM, FM1 or FM2 mode to enter diagnostic tool tester diagnostics.