Nissan Sentra Service Manual: Inspection and adjustment
Additional service when replacing control unit
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
WARNING:
Always perform zero point reset using CONSULT when removing and installing the front passenger seat or servicing the occupant classification system. If zero point reset is not performed, the OCS may not operate normally, which may increase the risk of serious injury in a collision.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement
WORK PROCEDURE WHEN REPLACING OCS CONTROL UNIT
1.PERFORM ZERO POINT RESET
Perform zero point reset. Refer to SRC-41, "ZERO POINT RESET : Special Repair Requirement".
>> Inspection End.
Zero point reset
Zero point reset : Description
Zero point reset is an initializing procedure for the OCS (weight) sensors that must be performed using CONSULT when removing and installing passenger seat or servicing the OCS system. If zero point reset is not performed, the initialization is incomplete and OCS may not operate normally.
NOTE:
- When reinstalling the passenger seat, the initial value for the OCS sensors may change, and the OCS may not operate normally.
- When zero point reset is performed after removal and installation of passenger seat, CONSULT displays ”complete”.
Zero point reset : Special repair requirement
1.PERFORM ZERO POINT RESET
- Perform preliminary checks:
NOTE:
- Level the vehicle
- Minimize vibrations near the vehicle
- Remove any objects on passenger seat
- Do not touch the vehicle during zero point reset
- Select START on ZERO POINT RESET from, WORK SUPPORT of “OCCUPANT DETECTION”.
- “Zero point reset” starts.
>> GO TO 2.
2.CONFIRM RESET
- Check that ”Complete” is displayed on “Zero point reset status”.
CAUTION:
- “Complete” may be displayed if the seat has been reinstalled, or “zero point reset” has already been performed.
- ”Incomplete” may be displayed if a new seat is installed.
- Air bag warning lamp flashes in user mode if zero point reset is ”incomplete”.
Is zero point reset status ”complete”? YES >> Print out “ZERO POINT RESET CURRENT STATUS” screen. Inspection end.
NO >> Recheck the preliminary check items and perform zero point reset again.
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW THE CUSTOMER FOR THE SYMPTOM
Interview the customer for the symptom (the condition and the environment
when the incident/malfunction
occ ...
Intermittent incident
Inspection procedure
INTERMITTENT TROUBLE
An intermittent incident may have occurred in the past but is not being
detected currently. This DTC will not be
detected on SELF-DIAG [CURRENT], but may ...
Other materials:
Seat belts
The seat belts can be cleaned by wiping them
with a sponge dampened in a mild soap solution.
Allow the belts to dry completely in the shade
before using them. See “Seat belt maintenance”
in the “Safety – Seats, seat belts and supplemental
restraint system” section of this manual.
...
P0031, P0032 A/F sensor 1 Heater
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0031
A/F SEN 1 HTR (B1)
(HO2S heater control circuit
low bank 1 sensor 1)
The current amperage in the A/F sensor 1 heater
circui ...
Evap leak check
Inspection
CAUTION:
Do not use compressed air or a high pressure pump.
Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP
system.
NOTE:
Do not start engine.
Improper installation of EVAP service port adapter [commercial
service tool: (J-41413-OBD)] to the EVAP
...
