Low Tire Pressure Warning Lamp Does Not Come On When Ignition
WARNING: This page is about a different car, the 2019 Infiniti QX60. 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
- PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
Perform Self Diagnostic Result.
Is DTC U1000 detected?
YES
Refer to Trouble Diagnosis Flow Chart .
NO
GO TO 2
- CHECK COMBINATION METER
Check combination meter operation. Refer to CONSULT Function (METER/M&A) .
Is the inspection result normal?
YES
GO TO 3
NO
Replace combination meter. Refer to Removal and Installation .
- CHECK LOW TIRE PRESSURE WARNING LAMP
Disconnect BCM harness connector.
Does the low tire pressure warning lamp activate?
YES
Replace BCM. Refer to Removal and Installation .
NO
Check combination meter operation.