Nissan Sentra Service Manual: Ecu diagnosis information

Nissan Sentra Service Manual / Electrical & power control / Body control system / With intelligent key system / 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.

Activate and display tpms transmitter ids
Display tire pressure reported by the tpms transmitter
Read TPMS DTCs
Register TPMS transmitter IDs
Check intelligent key relative signal strength
Confirm vehicle intelligent key antenna signal strength

Values on the diagnosis tool

Terminal layout

Terminal layout

Physical values

Physical values

1: With cvt

2: With m/t

Fail-safe

Bcm performs fail-safe control when the following dtcs are detected.

Dtc inspection priority chart

Dtc inspection priority chart

If more than one DTC is displayed at the same time, perform inspections based on the following priority chart.

Dtc index

Dtc index

Note:

The details of time display are as follows.

Crnt: a malfunction is detected now.
Past: a malfunction was detected in the past.

IGN counter is displayed on Freeze Frame Data.

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 ...

Other materials:

Brake warning lamp
Component Function Check 1.CHECK BRAKE WARNING LAMP FUNCTION (1) Check that brake warning lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> GO TO 2. NO >> Proceed to diagnosis procedure. ...

DTC/circuit diagnosis
P1610 LOCK MODE Description ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times or more while communication between ECM and BCM is not normal. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1610 is displayed with other DTC (for BCM or ...

Continuously Variable Transmission (CVT) (if so equipped)
The ignition lock is designed so that the ignition switch cannot be turned to the LOCK position until the shift lever is moved to the P (Park) position. When moving the ignition switch to the LOCK position, make sure the shift lever is in the P (Park) position. When removing the key ...