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:
Floor mats
WARNING
To avoid potential pedal interference that
may result in a collision or injury:
NEVER place a floor mat on top of another
floor mat in the driver front
position.
Use only genuine NISSAN floor mats
specifically designed for use in your vehicle
model. See ...
Dtc/circuit diagnosis
U1000 can comm circuit
Description
Refer to lan-7, "can communication system : system description".
DTC Logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconnected and reconnected,
perhaps during a repair. Confirm
that there are actual can diagnostic sym ...
Push starting
CAUTION
Do not push start this vehicle. The
three-way catalyst may be damaged.
Continuously Variable Transmission
(CVT) models and Manual Transmission
(MT) cannot be push-started or towstarted.
Attempting to do so may cause
transmission damage
For manual transmission (MT) models,
...
