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.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs
- Test remote keyless entry keyfob relative signal strength
VALUES ON THE DIAGNOSIS TOOL
Terminal layout
Physical values
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 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
Note:
Details of time display
- Crnt: displays when there is a malfunction now or after returning to the normal condition until turning ignition switch off ƒ¸ on again.
- 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1 → 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch OFF → ON after returning to the normal condition if the malfunction is detected again.
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:
To protect your vehicle from corrosion
Wash and wax your vehicle often to keep the
vehicle clean.
Always check for minor damage to the paint
and repair it as soon as possible.
Keep drain holes at the bottom of the doors
open to avoid water accumulation.
Check the underbody for accumulation of
sand, dirt or salt. If prese ...
Power window motor
DRIVER SIDE
DRIVER SIDE : Description
Door glass moves up/down by receiving the signal from main power window and
door lock/unlock switch
DRIVER SIDE : Component Function Check
1. Check front power window motor lh circuit
Check front power window motor lh operation with the main power window ...
Operating tips
When the engine coolant temperature and
outside air temperature are low, the air flow
from the foot outlets may not operate for a
maximum of 150 seconds. However, this is
not a malfunction. After the coolant temperature
warms up, air flow from the foot outlets
will operate normally.
...
