Nissan Sentra manuals

Nissan Sentra Service Manual: Ecu diagnosis information

Bcm

Reference value

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.

VALUES ON THE DIAGNOSIS TOOL



Terminal layout


Terminal layout

Physical values


Physical values









Fail-safe


Fail-safe

Fail-safe control by dtc

Bcm performs fail-safe control when any dtc are detected.

Fail-safe control of combination switch reading function caused by low


Fail-safe control of combination switch reading function caused by low power supply voltage

If voltage of battery power supply lower, BCM maintains combination switch reading to the status when input voltage is less than approximately 9 V.

Note:

When voltage of battery power supply is approximately 9 v or more, combination switch reading function returns to normal operation.

Dtc inspection priority chart

If some dtcs are displayed at the same time, perform inspections one by one based on the following priority chart.

Dtc index


Dtc index

Note:

Details of time display


Wiring diagram


Diagnosis system (bcm)
Common item Common item : consult function (bcm - common item) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Descriptio ...

Wiring diagram
BCM Wiring diagram ...

Other materials:

The light reminder warning does  not sound
Description Light reminder warning chime does not sound even though headlamp is illuminated. Diagnosis procedure 1.Check combination meter input signal Select the data monitor for the meter/m&a and check the buzzer monitor value. Is the inspection result normal? Yes >> replace ...

Door switch
Component Function Check 1.Check function Select DOOR LOCK of BCM using CONSULT Select door sw-dr, door sw-as in data monitor mode Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >> Door switch is OK. NO ...

P0846 Transmission fluid pressure SEN/SW B
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P0846 TRANSMISSION FLUID PRESSURE SEN/SW B (Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance) The detection ...

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