Nissan Sentra Service Manual: Diagnosis and repair work flow

Nissan Sentra Service Manual / Suspension / Road wheels & Tires / Basic inspection / 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:

Bcm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Basic inspection
Diagnosis and repair workflow Trouble diagnosis flow chart Trouble diagnosis procedure Interview with customer Interview with the customer is important to detect the root cause of can communication system errors and to understand vehicle condition and symptoms for proper trouble diagnosi ...

General Precautions
Do not operate the engine for an extended period of time without proper exhaust ventilation. Keep the work area well ventilated and free of any inflammable materials. Special care should be taken when handling any inflammable or poisonous materials, such as gasoline, refrigerant gas, etc. Wh ...