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:

Multiport fuel injection system
MULTIPORT FUEL INJECTION SYSTEM : System Description SYSTEM DIAGRAM *1: ECM determines the start signal status by the signals of engine speed and battery voltage. *2: M/T models *3: CVT models *4: This sensor is not used to control the engine system under normal conditions. SYSTEM DES ...

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 occurs). >> GO TO 2. 2.CHECK SYMPTOM Check the symptom from the customer information. > ...

Front grille
Exploded view Core support cover Front grille Emblem Pawl Removal and installation REMOVAL Remove core support cover bolts (A), clips (B) and core support cover (1). Apply protective tape (A) to protect the components from damage. Remove the front grille ...

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