Trouble Diagnosis Chart by Symptom

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLE DIAGNOSIS SYMPTOM CHART

Symptom	Suspect Systems and reference
No screen is shown.	Refer to "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BASE SYSTEM) " or "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BOSE SYSTEM WITHOUT NAVI ". If above is normal, replace display unit.
Screen does not switch to nighttime mode after the lighting switch is turned to 1st.	Refer to "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BASE SYSTEM) " or "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BOSE SYSTEM WITHOUT NAVI ". If above is normal, replace display unit.
TRIP and FUEL ECON screen do not appear.	Refer to "CAN CHECK DIAGNOSTICS ". If above is normal, replace display unit.
Average vehicle speed (AVG) is not displayed.	Refer to "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BASE SYSTEM) " or "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BOSE SYSTEM WITHOUT NAVI) ". If above is normal, replace display unit.
Average fuel consumption (AVG) is not displayed.	Refer to "CAN CHECK DIAGNOSTICS ". If above is normal, replace display unit.
Distance to empty (DTE) is not displayed.	Check if speedometer operates. If it does not operate, go to "VEHICLE SPEED SIGNAL INSPECTION ". Check if fuel gauge operates. If it does not operate, go to "FUEL LEVEL SENSOR SIGNAL INSPECTION 1 ". Refer to "CAN CHECK DIAGNOSTICS ". If above is normal, replace display unit.
Door warning screen does not appear.	Refer to "VEHICLE SPEED SIGNAL INSPECTION ". Refer to "CAN CHECK DIAGNOSTICS ". If above is normal, replace display unit.
Audio operation is not possible.	Refer to "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BASE SYSTEM) " or "TERMINALS AND REFERENCE VALUE FOR AUDIO UNIT (BOSE SYSTEM WITHOUT NAVI) ". If above is normal, replace display unit. Refer to "DISPLAY UNIT ".