Nissan Sentra manuals

Nissan Sentra Service Manual: Consult function

FUNCTION

Diagnostic test mode

Function

Self Diagnostic Results Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data can be read and erased quickly.*
Data Monitor Input/Output data in the ECM can be read.
Work Support This mode enables a technician to adjust some devices faster and more accurately by following the indications on the CONSULT unit.
Active Test Diagnostic Test Mode in which CONSULT drives some actuators apart from the ECMs and also shifts some parameters in a specified range.
Ecu Identification ECM part number can be read.
DTC Work Support The use of this mode enables quick and accurate performance of Confirmation Procedure.

*: The following emission-related diagnostic information is cleared when the ECM memory is erased.

SELF DIAGNOSTIC RESULTS MODE

Self Diagnostic Item

Regarding items of DTC and 1st trip DTC, refer to EC-94, "DTC Index".

How to Read DTC and 1st Trip DTC

DTCs and 1st trip DTCs related to the malfunction are displayed in “Self-diag results”.

How to Erase DTC and 1st Trip DTC

NOTE:

  1. Erase DTC in TCM. Refer to TM-105, "Description".
  2. Select “ENGINE” using CONSULT.
  3. Select “SELF-DIAG RESULTS”.
  4. Touch “ERASE”. (DTC in ECM will be erased.)

Freeze Frame Data and 1st Trip Freeze Frame Data

Freeze frame data item*

Description

DIAG TROUBLE CODE [PXXXX] The engine control component part/control system has a trouble code the is displayed as PXXXX. (Refer to EC-94, "DTC Index".)
FUEL SYS-B1
  • Fuel injection system status” at the moment a malfunction is detected is displayed.
  • One of the following mode is displayed.

Mode2: Open loop due to detected system malfunction

Mode3: Open loop due to driving conditions (power enrichment, deceleration enleanment)

Mode4: Closed loop - using oxygen sensor(s) as feedback for fuel control

Mode5: Open loop - has not yet satisfied condition to go to closed loop

CAL/LD VALUE [%] The calculated load value at the moment a malfunction is detected is displayed.
COOLANT TEMP [В°C] or [В°F] The engine coolant temperature at the moment a malfunction is detected is displayed.
L-FUEL TRM-B1 [%]
  • “Long-term fuel trim” at the moment a malfunction is detected is displayed.
  • The long-term fuel trim indicates much more gradual feedback compensation to the base fuel schedule than short-term fuel trim.
S-FUEL TRM-B1 [%]
  • “Short-term fuel trim” at the moment a malfunction is detected is displayed.
  • The short-term fuel trim indicates dynamic or instantaneous feedback compensation to the base fuel schedule.
ENGINE SPEED [rpm] The engine speed at the moment a malfunction is detected is displayed.
VEHICL SPEED [km/h] or [mph] The vehicle speed at the moment a malfunction is detected is displayed.
ABSOL THВ·P/S [%] The throttle valve opening angle at the moment a malfunction is detected is displayed.
B/FUEL SCHDL [msec] The base fuel schedule at the moment a malfunction is detected is displayed.
INT/A TEMP SE [В°C] or [В°F] The intake air temperature at the moment a malfunction is detected is displayed.
FUEL SYS-B2 These items are displayed but are not applicable to this model.
L-FUEL TRM-B2 [%]
S-FUEL TRM-B2 [%]
INT MANI PRES [kPa]
CONBUST CONDITION

*: The items are the same as those of 1st trip freeze frame data.

DATA MONITOR MODE

Monitored Item

NOTE:






Work support mode


Work support mode

Work Item


*: This function is not necessary in the usual service procedure.


*: This function is not necessary in the usual service procedure.

Active test mode

Test Item


*: Leaving cooling fan OFF with CONSULT while engine is running may cause the


*: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.

Dtc work support mode

SRT & P-DTC MODE


SRT & P-DTC MODE

SRT STATUS Mode

PERMANENT DTC STATUS Mode

How to display permanent DTC status

  1. Turn ignition switch OFF and wait at least 10 seconds.
  2. Turn ignition switch ON.
  3. Turn ignition switch OFF and wait at least 10 seconds.
  4. Turn ignition switch ON.
  5. Select “PERMANENT DTC STATUS” in “DTC & SRT CONFIRMATION” mode with CONSULT.

NOTE:

Permanent DTCs stored in ECM memory are displayed on the CONSULT screen to show if a driving pattern required for erasing permanent DTCs is complete (CMPLT) or incomplete (INCMP).

CAUTION:

Since the “PERMANENT DTC STATUS” screen displays the previous trip information, repeat the following twice to update the information: “Ignition switch OFF”, “Wait for more than 10 seconds” and “Ignition switch ON”.

NOTE:


NOTE:

This mode is not used in regions that permanent DTCs are not regulated by law.

SRT WORK SUPPORT Mode

This mode enables a technician to drive a vehicle to set the SRT while monitoring the SRT status.

PERMANENT DTC WORK SUPPORT Mode

This mode enables a technician to drive a vehicle to complete the driving pattern that is required for erasing permanent DTC.

NOTE:

This mode is not used in regions that permanent DTCs are not regulated by law.

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 ...

Ecu diagnosis information
ECM Reference Value VALUES ON THE DIAGNOSIS TOOL NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, re ...

Other materials:

Forward-facing child restraint installation using the seat belts
WARNINGThe three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. Failure to use the ALR mode will result in the child restraint not being properly secured. The restraint could tip over or be loose and cause injury to a c ...

Turn signal lamp circuit
Description The bcm monitors inputs from the combination switch to determine when to activate the turn signals. The bcm outputs voltage direction to the left and right turn signals during turn signal operation or both during hazard warning operation. The bcm sends a turn signal indicator req ...

Intake manifold tuning system
INTAKE MANIFOLD TUNING SYSTEM : System Description SYSTEM DIAGRAM SYSTEM DESCRIPTION This system switches the length of intake air path according to the low-to-medium speed range or high speed range. Torque is increased in the low-to-medium speed range and the engine output is improved ...

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