Diagnosis Flow

WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

WARNING LAMP ILLUMINATION INSPECTION
1. Turn the ignition switch ON.
2. Check that warning lamps (such as MIL and oil pressure warning lamp) illuminate.
Do warning lamps illuminate?
1. Yes: GO TO 2.
2. No: Check ignition power supply system of combination meter. Refer to "POWER SUPPLY AND GROUND CIRCUIT CHECK ".
SELF-DIAGNOSIS OPERATION CHECK
Perform combination meter self-diagnosis. Refer to "SELF-DIAGNOSIS FUNCTION ".

Does self-diagnosis function operate?
1. Yes: GO TO 3.
2. No: Check battery power supply of combination meter and ground system. Refer to "POWER SUPPLY AND GROUND CIRCUIT CHECK ".
ODO/TRIP METER OPERATION CHECK
Check segment display status of odo/trip meter. Refer to "SELF-DIAGNOSIS FUNCTION ". Is the display normal?
1. Yes: GO TO 4.
2. No: Replace the combination meter.
FUEL WARNING LAMP ILLUMINATION CONFIRMATION
During fuel warning lamp check, confirm illumination of fuel warning lamp. Refer to "SELF-DIAGNOSIS FUNCTION ".

Does fuel warning lamp illuminate?
1. Yes: GO TO 5.
2. No: Replace the combination meter.
METER CIRCUIT CHECK
During meter circuit check, confirm meter illumination. Refer toSELF-DIAGNOSIS FUNCTION ". Is the display normal?
1. Yes: Go to diagnosis results. Refer to DIAGNOSIS RESULTS .
2. No: Replace the combination meter.