Nissan Sentra Service Manual: Low tire pressure warning lamp
Component Function Check
1.CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal? YES >> Inspection End.
NO >> Perform trouble diagnosis. Refer to WT-33, "Diagnosis Procedure".
Diagnosis Procedure
1.PERFORM SELF DIAGNOSTIC RESULT
With CONSULT
- Turn the ignition switch ON.
- Perform “SELF DIAGNOSTIC RESULT”.
Are any DTCs detected? YES >> Refer to BCS-49, "DTC Index" (with Intelligent Key system) or BCS-109, "DTC Index" (without Intelligent Key system).
NO >> GO TO 3.
2.CHECK LOW TIRE PRESSURE WARNING LAMP SIGNAL
With CONSULT
- Turn the ignition switch ON.
- On “DATA MONITOR” select “WARNING LAMP.”
- Check that the low tire pressure warning lamp is turned OFF after illuminating for approximately 1 second, when the ignition switch is turned ON.
Is the inspection result normal? YES >> Check the combination meter. Refer to MWI-17, "CONSULT Function (METER/M&A)".
NO >> Replace the BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS-126, "Removal and Installation" (without Intelligent Key system).
C1729 Vehicle speed signal
DTC Logic
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 ...
Power supply and ground circuit
WITH INTELLIGENT KEY SYSTEM
WITH INTELLIGENT KEY SYSTEM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-51, "Wiring Diagram".
1.Check fuses and fusible link
Chec ...
Other materials:
Circuit Inspection
DESCRIPTION
In general, testing electrical circuits is an easy task if it is
approached in a logical and organized method.
Before beginning it is important to have all available information on the
system to be tested. Also, get a thorough
understanding of system operation. Then you w ...
DTC/Circuit diagnosis
POSITION SWITCH
BACK-UP LAMP SWITCH
BACK-UP LAMP SWITCH : Component Inspection
1.CHECK BACK-UP LAMP SWITCH
Disconnect position switch harness connector. Refer to TM-21, "Removal
and Installation".
Check continuity between position switch terminals.
Is the inspection ...
Service Notice and Precautions for EPS System
Check the following item when performing the trouble
diagnosis.
Check any possible causes by interviewing the symptom and
it′s condition from the customer if any malfunction,
such as EPS warning lamp is turned ON, occurs.
Check if air pressure and size of tires are proper, t ...
