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:
Engine protection control at low engine
oil pressure
ENGINE PROTECTION CONTROL AT LOW ENGINE OIL PRESSURE : System Description
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
Sensor
Input signal to ECM
ECM function
Actuator
Engine oil pressure sensor
Engine oil pressure
Engine protection control
Oil pressure warning ...
Vin registration
Description
VIN Registration is an operation to registering VIN in ECM. It must be
performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM may be required for Inspection &
Maintenance (I/M).
Work Procedure
1.CHECK VIN
Check the VIN of the vehicle and note it. ...
Sport mode control
SPORT MODE CONTROL : System Description
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
SPORT mode that keeps high engine revolution and provides direct feel
and acceleration performance suitable
for driving on winding road.
ECM receives an SPORT mode signal from TCM via CAN communication and
...
