Nissan Sentra Service Manual: Diagnosis and repair work flow
Work Flow
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 transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs
1.COLLECT INFORMATION FROM CUSTOMER
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
>> GO TO 2.
2.TIRE PRESSURE INSPECTION
Check the tire pressure for all wheels. Refer to WT-54, "Tire Air Pressure".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace tire(s) or wheel(s).
3.CHECK LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp illuminates for approximately 1 second after the ignition switch is turned ON, then turns OFF.
Does the low tire pressure warning lamp turn OFF? YES >> Inspection End.
NO >> GO TO 4.
4.PERFORM SELF DIAGNOSTIC RESULT
Perform self diagnostic result. Refer to WT-11, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONITOR)" (with Intelligent Key system) or WT-13, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONITOR)" (without Intelligent Key system).
Are any DTCs displayed? YES >> Refer to BCS-49, "DTC Index" (with Intelligent Key system) or BCS-109, "DTC Index" (without Intelligent Key system). If two or more DTCs are displayed, refer to BCS-48, "DTC Inspection Priority Chart" (with Intelligent Key system) or BCS-108, "DTC Inspection Priority Chart" (without Intelligent Key system).
NO >> GO TO 5.
5.PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM
Perform diagnosis applicable to the symptom. Refer to WT-36, "Symptom Table".
>> GO TO 6.
6.FINAL CHECK
Perform self diagnostic result again, and check that the malfunction is repaired. After checking, erase the self diagnosis memory. Refer to WT-11, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONITOR)" (with Intelligent Key system) or WT-13, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONITOR)" (without Intelligent Key system).
Basic inspection
...
ID registration procedure
Description
This procedure must be performed after replacing wheels, transmitters or the
BCM, or rotating wheels.
Work Procedure
TPMS ID registration can be performed using one of the following ...
Other materials:
Power supply and ground circuit
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-51, "Wiring Diagram".
1.Check fuses and fusible link
Check that the following fuses and fusible link ...
System description
Component parts
Component parts location
Ipdm e/r (contains ignition relay-1)
Bcm (view with instrument panel removed)
Fuse block (j/b) (front)
Fuse block (j/b) (back)
Blower relay
Ignition relay-2
Accessory relay-1
Push-button ignition switch
Component description
...
Diagnosis system [abs actuator and electric unit (control
unit)]
CONSULT Function (ABS)
FUNCTION
CONSULT can display each diagnostic item using the following
direct diagnostic modes.
Direct Diagnostic Mode
Description
ECU identification
The ABS actuator and electric unit (control unit) part number is
displayed.
Self Diagnos ...
