Nissan Sentra Service Manual: Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.COLLECT INFORMATION FROM THE CUSTOMER
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the diagnostic worksheet. Refer to BRC-52, "Diagnostic Work Sheet".
>> GO TO 2.
2.PERFORM SELF DIAGNOSTIC RESULT
Perform self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".
Are any DTCs displayed? YES >> Refer to BRC-43, "DTC Index".
NO >> GO TO 3.
3.CHECK SYMPTOM OPERATING CONDITION
Check that the symptom is a normal operating condition. Refer to BRC-105, "Description".
Is the symptom a normal operating condition? YES >> Inspection End.
NO >> GO TO 4.
4.CHECK WARNING AND INDICATOR LAMPS OPERATION
Check ABS and brake warning lamps, and VDC OFF and SLIP indicator lamps operation. Refer to MWI-8, "METER SYSTEM : System Description".
Is ON/OFF timing normal? YES >> GO TO 5.
NO >> Perform warning lamp diagnosis. Refer to BRC-94, "Component Function Check" (ABS warning lamp), BRC-95, "Component Function Check" (brake warning lamp), BRC-96, "Component Function Check" (VDC OFF indicator lamp) or BRC-97, "Component Function Check" (SLIP indicator lamp).
5.PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM
Perform diagnosis applicable to the symptom. Refer to BRC-98, "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 BRC-31, "CONSULT Function (ABS)".
>> Inspection End
Diagnostic Work Sheet
Additional service when replacing abs actuator and electric unit (control unit)
Description
When replacing the ABS actuator and electric unit (control unit), perform steering angle sensor neutral position adjustment. Refer to BRC-54, "Work Procedure".
Basic inspection
...
Adjustment of steering angle sensor neutral position
Description
Refer to the table below to determine if adjustment of steering
angle sensor neutral position is required.
×: Required –: Not required
Work Procedure
ADJUSTMENT OF ST ...
Other materials:
Front fog lamp circuit
Description
The ipdm e/r (intelligent power distribution module engine room) controls the
front fog lamp relay based on
inputs from the bcm over the can communication lines. When the front fog lamp
relay is energized, power
flows from the front fog lamp relay in the ipdm e/r to the front fog ...
Ipdm-e 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 ipdm e/r for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Yes ...
On board diagnosis function
ON BOARD DIAGNOSIS ITEM
The on board diagnostic system has the following functions.
Diagnostic test mode
Function
Bulb check
MIL can be checked.
SRT status
ECM can read if SRT codes are set.
Malfunction warning
If ECM detects a malfunction, it illumina ...
