DTC Diagnosis Procedure

NOTE:

The Signal Tech II Tool [- (NI-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

TIRE PRESSURE SENSOR ID REGISTRATION
1. Perform tire pressure sensor ID registration. Refer to Description .
Can the tire pressure sensor ID registration be completed?

YES>>

GO TO 2.

NO>>

Replace applicable tire pressure sensor. Refer to Removal and Installation .
CHECK TIRE PRESSURE
1. Check the tire pressure of all wheels. Refer to Tire Air Pressure .
  CAUTION:
  If the checked value is close to the standard, reduce the tire pressure, and then with the ignition switch ON, adjust the tire pressure again so that it is within the standard.
Is the inspection result normal?

YES>>

Perform DTC CONFIRMATION PROCEDURE again. Refer to DTC Description .

NO>>

GO TO 3.

CHECK TIRE PRESSURE SIGNAL

CONSULT

Adjust tire pressure for all wheels to the specified value. Refer to Tire Air Pressure .
NOTE: If tire pressure before adjustment is close to the specified value, then reduce tire pressure first and readjust it to the specified value with the ignition switch ON.
Select "Data Monitor" mode of "AIR PRESSURE MONITOR".

Check that the tire pressures match the specified value.

Monitor item	Displayed value
AIR PRESS FL	Approximately equal to value indicated on tire gauge for front LH tire
AIR PRESS FR	Approximately equal to value indicated on tire gauge for front RH tire
AIR PRESS RR	Approximately equal to value indicated on tire gauge for rear RH tire
AIR PRESS RL	Approximately equal to value indicated on tire gauge for rear LH tire

Is the inspection result normal?

YES>>

After erasing DTC record, Inspection End.

NO>>

Repair or replace malfunctioning components.