Trouble Diagnosis Chart by Symptom

WARNING: This page is about a different car, the 2004 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 "POWER SUPPLY AND GROUND CIRCUIT CHECK FOR DISPLAY UNIT ". If above is normal, replace display unit.
Screen does not switch to nighttime mode after the lighting switch is turned to 1 st.	Refer to "ILLUMINATION SIGNAL CHECK ". If above is normal, replace display unit.
TRIP and FUEL ECON screen do not appear.	Refer to "IGNITION SIGNAL CHECK ". If above is normal, replace display unit.
Trip odometer (DIST) is not added up. Average vehicle speed (AVG) is not displayed.	Refer to "VEHICLE SPEED SIGNAL INSPECTION ". If above is normal, replace display unit.
Average fuel consumption (AVG) is not displayed.	Refer to "VEHICLE SPEED SIGNAL INSPECTION ". Refer to "CAN COMMUNICATION LINE CHECK ". 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 COMMUNICATION LINE CHECK ". If above is normal, replace display unit.
Door warning screen does not appear.	Refer to "VEHICLE SPEED SIGNAL INSPECTION ". Refer to "CAN COMMUNICATION LINE CHECK ". If above is normal, replace display unit.
AV switch and all switch operation are not possible. (Do not start self-diagnosis.)	Refer to "POWER SUPPLY AND GROUND CIRCUIT CHECK FOR AV SWITCH ". Refer to "AV SWITCH SELF-DIAGNOSIS FUNCTION ". Refer to "AV COMMUNICATION LINE CHECK ". If above is normal, replace display unit.
Audio operation is not possible.	Refer to "AV SWITCH SELF-DIAGNOSIS FUNCTION ". Refer to "AUDIO COMMUNICATION LINE CHECK ".