Nissan Sentra Service Manual: Low tire pressure warning lamp does not turn oFF
Low Tire Pressure Warning Lamp Stays On When Ignition Switch Is Turned On
DIAGNOSTIC PROCEDURE
1.INSPECT BCM CONNECTOR
- Turn ignition switch OFF.
- Disconnect BCM connectors.
- Check terminals for damage or loose connections.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace damaged parts.
2.BCM POWER SUPPLY AND GROUND CIRCUITS
Check BCM power supply and ground circuits. Refer to WT-34, "WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (with Intelligent Key system) or WT-34, "WITHOUT INTELLIGENT KEY SYSTEM : Diagnosis Procedure" (without Intelligent Key system).
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS- 126, "Removal and Installation" (without Intelligent Key system).
NO >> Repair BCM circuits.
Low tire pressure warning lamp does not turn on
Low Tire pessure Warning Lamp Does Not Come On When 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 ...
Low tire pressure warning lamp blinks
Diagnosis Procedure
NOTE:
If low tire pressure warning lamp repeats blinking ON for 2 seconds and
OFF for 0.2 seconds, wake-up operation
for all transmitters is not complete.
Carry out transmi ...
Other materials:
Trunk room lamp circuit
Description
Controls the trunk room lamp (ground side) to turn the trunk room lamp on and
off.
Diagnosis Procedure
Regarding wiring diagram information, refer to inl-17, "wiring diagram".
Caution:
Before performing the diagnosis, check that the following are normal.
Interior roo ...
B142A Ignition voltage
Description
DTC B142A IGNITION VOLTAGE
Ignition voltage is supplied to the air bag diagnosis sensor unit when the
ignition is in the ON position. The air
bag diagnosis sensor unit will monitor for low or high ignition voltage.
PART LOCATION
Refer to SRC-5, "Component Parts Location" ...
Rear air spoiler
Removal and installation
Rear air spoiler
High mounted stop lamp connector
(if equipped)
Trunk lid
Grommet
Nut
Front
Removal
Remove trunk lid finisher. Refer to INT-45, "Removal and Installation".
Disconnect the harness connector from the high mounted stop ...