Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

The low tire pressure warning lamp does not turn ON when the ignition switch is turned ON.

NOTE: The low tire pressure warning lamp turn ON for approximately 1 second and then turns OFF when the ignition switch is turned ON. This is to check that no abnormal condition is present in the tire pressure monitoring system.

The combination meter may be malfunctioning or the tire pressure monitoring system may be malfunctioning if the low tire pressure warning lamp does not turn ON when the ignition switch is turned ON.

NOTE: The Signal Tech II Tool [- (J-50190)] can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information.

Activate and display TPMS sensor IDs
Display tire pressure reported by the TPMS sensor
Read TPMS DTCs
Register TPMS sensor IDs

CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
CONSULT
1. Turn the ignition switch ON.
  CAUTION: Never start the engine.
2. Select "Active Test" mode of "AIR PRESSURE MONITOR".
3. 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 2 .

NO

GO TO 3 .
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 low tire pressure warning control unit. 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 (type A) or Diagnosis Procedure (type B).

Is the inspection result normal?

YES

Perform combination meter diagnosis. Refer to Work flow (type A) or Work flow (type B).

NO

Repair or replace malfunctioning components.