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:

U1010 Control unit (CAN)
Description Initial diagnosis of ABS actuator and electric unit (control unit) DTC Logic DTC DETECTION LOGIC DTC Items (CONSULT screen terms) DTC detection condition Possible cause U1010 CONTROL UNIT (CAN) When detecting error during the initial diagnosis ...

Dtc/circuit diagnosis
Malfunction area chart Main line Branch line Short circuit Main line between ipdm-e and dlc circuit Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors fo ...

Dtc/circuit diagnosis
U1000 can comm circuit Description Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description". Dtc logic DTC DETECTION LOGIC CONSULT Display DTC Detection Condition Possible Cause CAN COMM CIRCUIT [U1000] When IPDM E/R cannot communicate with CAN com ...