Nissan Sentra Service Manual: Diagnosis system (BCM) (without intelligent key system)
Common item
Common item : consult function (bcm - common item)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
| Direct Diagnostic Mode | Description |
| ECU identification | The BCM part number is displayed. |
| Self Diagnostic Result | The BCM self diagnostic results are displayed. |
| Data Monitor | The BCM input/output data is displayed in real time. |
| Active Test | The BCM activates outputs to test components. |
| Work support | The settings for BCM functions can be changed. |
| Configuration |
|
| CAN DIAG SUPPORT MNTR | The result of transmit/receive diagnosis of CAN communication is displayed. |
SYSTEM APPLICATION
BCM can perform the following functions.
Air pressure monitor
AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONITOR)
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
SELF DIAGNOSTIC RESULT
NOTE:
Before performing self diagnostic result, be sure to register the ID, or else the actual malfunction may be different from that displayed on CONSULT.
Refer to BCS-109, "DTC Index".
DATA MONITOR
| Monitor Item [Unit] | Description |
| AIR PRESS FL [kPa, kg/cm2 or Psi] | Indicates air pressure of front LH tire. |
| AIR PRESS FR [kPa, kg/cm2 or Psi] | Indicates air pressure of front RH tire. |
| AIR PRESS RR [kPa, kg/cm2 or Psi] | Indicates air pressure of rear RH tire. |
| AIR PRESS RL [kPa, kg/cm2 or Psi] | Indicates air pressure of rear LH tire. |
| ID REGST FL1 [Done/Yet] | Indicates ID registration status of front LH transmitter. |
| ID REGST FR1 [Done/Yet] | Indicates ID registration status of front RH transmitter. |
| ID REGST RR1 [Done/Yet] | Indicates ID registration status of rear RH transmitter. |
| ID REGST RL1 [Done/Yet] | Indicates ID registration status of rear LH transmitter. |
| WARNING LAMP [Off/On] | Indicates condition of low tire pressure warning lamp in combination meter. |
| BUZZER [Off/On] | Indicates condition of buzzer in combination meter. |
ACTIVE TEST
| Test Item | Description |
| WARNING LAMP | This test is able to check tire pressure warning lamp operation [On/Off]. |
| WARNING LAMP | This test is able to check ID registration warning chime operation [On/Off]. |
| FLASHER | This test is able to check turn signal lamp operation [Off/LH/RH]. |
WORK SUPPORT
| Support Item | Description |
| ID READ | The registered ID number is displayed. |
| ID REGIST | Refer to WT-22, "Description". |
Diagnosis system (BCM) (with intelligent key system)
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 ...
ECU diagnosis information
BCM
List of ECU Reference
...
Other materials:
VDC OFF Indicator lamp
Description
Component Function Check
1.CHECK VDC OFF INDICATOR LAMP FUNCTION
Check that VDC OFF indicator lamp in combination meter turns ON
for approximately 2 seconds after ignition
switch is turned ON.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proc ...
C1121, C1123, C1125, C1127 ABS OUT Valve system
DTC Logic
DTC DETECTION LOGIC
DTC DETECTION LOGIC
Display Item
Malfunction detected condition
Possible causes
C1121
FR LH OUT ABS SOL
When a malfunction is detected in front LH ABS OUT
valve.
Harness or connector
ABS actuator and electric unit
...
Precaution for Seat Belt Service
CAUTION:
Before removing the seat belt pre-tensioner assembly, turn the
ignition switch OFF, disconnect both
battery terminals and wait at least three minutes. For approximately three
minutes after the battery
terminals have been removed, it is still possible for the air bag and seat
...
