Diagnostic Test
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
With CONSULT
- Turn the ignition switch ON.CAUTION:
Never start the engine.
- Select "ACTIVE TEST" in "AIR PRESSURE MONITOR" of "BCM".
- Touch "WARNING LAMP" to turn ON the low tire pressure warning lamp.
When "ACTIVE TEST" is performed, does the low tire pressure warning lamp in the combination meter turn ON?
YES
GO TO STEP 2 .
NO
GO TO STEP 3 .
- Turn the ignition switch ON.
- CHECK LOW TIRE PRESSURE WARNING LAMP OPERATION
Check that the low tire pressure warning lamp is turned OFF after turns ON for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Replace the BCM. Refer to REMOVAL AND INSTALLATION .
- CHECK COMBINATION METER POWER SUPPLY CIRCUIT
Perform the trouble diagnosis for combination meter power supply circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES-1
INSPECTION END
NO
Repair or replace error-detected parts.