Nissan Sentra Service Manual: Ecu diagnosis information
Abs actuator and electric unit (control unit)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited.
Note 1:
Confirm tire pressure is normal. Note 2
: On and off timing for warning lamps and indicator lamps.
-
Refer to BRC-22, "VDC/TCS/ABS : VDC Function".
-
Refer to BRC-24, "VDC/TCS/ABS : TCS Function".
-
Refer to BRC-26, "VDC/TCS/ABS : ABS Function".
-
Refer to BRC-27, "VDC/TCS/ABS : EBD Function".
Fail-safe
VDC AND TCS FUNCTIONS
VDC warning lamp in combination meter turns ON when a malfunction occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC and TCS functions. However, ABS and EBD functions operate normally.
ABS FUNCTION
ABS warning lamp and SLIP indicator lamp in combination meter turn ON when a malfunction occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC, TCS and ABS functions.
However, EBD functions operate normally.
EBD FUNCTION
ABS warning lamp, brake warning lamp and SLIP indicator lamp in combination meter turn ON when a malfunction occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC, TCS, ABS and EBD functions.
DTC Inspection Priority Chart
When multiple DTCs are displayed simultaneously, check each one using the following priority list.
DTC Index
Diagnosis system [abs actuator and electric unit (control
unit)]
CONSULT Function (ABS)
FUNCTION
CONSULT can display each diagnostic item using the following
direct diagnostic modes.
Direct Diagnostic Mode
Description
ECU identification
T ...
Wiring diagram
Brake control system
Wiring Diagram
...
Other materials:
Manual transmission (if so equipped)
The ignition switch includes a device that helps
prevent accidental removal of the key while driving.
The key can only be removed when the ignition
switch is in the LOCK position.
On manual transmission models, to turn the ignition
key to LOCK position from ACC or ON
position, turn the ...
Push-button ignition switch illumination circuit
Description
Provides the power supply and the ground to control the push-button ignition
switch illumination.
Component function check
1.Check push-button ignition switch illumination operation
Consult active test
Turn the ignition switch ON.
Select engine sw illumi of bcm (intelligen ...
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
...
