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:
B2268 water temp
Description
The engine coolant temperature signal is transmitted from ecm to the
combination meter via can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Probable malfunction location
B2268
Water temp meter
[b2268]
Ecm continuous ...
VDC OFF Switch
Component Function Check
1.CHECK VDC OFF SWITCH OPERATION
Check that VDC OFF indicator lamp in combination meter turns
ON/OFF when VDC OFF switch is operated.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proceed to diagnosis procedure. Refer to BRC-92, "D ...
P0744 Torque converter
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P0744
TORQUE CONVERTER
(Torque converter clutch circuit
intermittent)
The torque converter slip speed is at or above
a set value (40 ...
