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.

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 TIRE PRESSURE SIGNAL

CONSULT

Select "Data Monitor" mode in "AIR PRESSURE MONITOR".

Check that the air pressures match the specified value.

Monitor item	Displayed value
AIR PRESS FL	Approximately equal to specified value. Refer to Tire .
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL

Are all tire pressures displayed 0 kPa (psi)?

YES

GO TO 2

Replace applicable tire pressure sensor. Refer to Tire Pressure Sensor .

CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT POWER SUPPLY AND GROUND
Check low tire pressure warning control unit power supply and ground. Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 3 .

NO

Repair or replace harness or connectors.
TIRE PRESSURE SENSOR ID REGISTRATION
Perform tire pressure sensor ID registration. Refer to Work Procedure .

Can the tire pressure sensor ID registration be completed?

YES

GO TO 4 .

NO

Replace applicable tire pressure sensor. Refer to Tire Pressure Sensor .

RECHECK TIRE PRESSURE SIGNAL

CONSULT

Drive at a speed of 40 km/h (25 MPH) or more for 3 minutes, and then drive the vehicle at any speed for 10 minutes.
Select "Data Monitor" mode in "AIR PRESSURE MONITOR".

Check that the air pressures match the specified value.

Monitor item	Displayed value
AIR PRESS FL	Approximately equal to specified value. Refer to Tire .
AIR PRESS FR
AIR PRESS RR
AIR PRESS RL

Does Data Monitor display specified value without turning tire pressure warning lamp ON?

YES

Inspection End.

Replace low tire pressure warning control unit. Refer to Removal and Installation .