Nissan Versa
Sedan Service Manual
Brakes » Brake control system (BRC)
Diagnosis system [abs actuator
and electric unit (control unit)]
CONSULT Function (ABS)
APPLICATION ITEMS
CONSULT can display each diagnostic item using the following direct
diagnostic modes.
ECU IDENTIFICATION
ABS actuator and electric unit (control unit) part number is displayed.
SELF DIAGNOSTIC RESULT
Operation Procedure
- Before performing the self-diagnosis, start engine and drive vehicle at
30 km/h (19 MPH) or more for
approximately 1 minute.
How To Erase Self Diagnostic Result
- After erasing DTC memory, start engine and drive vehicle at 30 km/h (19
MPH) or more for approximately
1 minute as the final inspection, and make sure that the ABS warning lamp,
VDC OFF indicator lamp,
SLIP indicator lamp and brake warning lamp turn OFF.
CAUTION:
If memory cannot be erased, perform applicable diagnosis.
NOTE:
- When the wheel sensor malfunctions, after inspecting the wheel sensor
system, the ABS warning lamp,
SLIP indicator lamp and brake warning lamp will not turn OFF even when the
system is normal, unless
the vehicle is driven at approximately 30 km/h (19 MPH) or more for
approximately 1 minute.
- Brake warning lamp will turn ON in case of parking brake operation
(when switch is ON) or of brake fluid
level switch operation (when brake fluid is insufficient).
- VDC OFF switch should not stay in ON position.
Display Item List
Refer to BRC "DTC Index".
DATA MONITOR
×: Applicable
-: Not applicable
ACTIVE TEST MODE
CAUTION:
- Do not perform active test while driving vehicle.
- Make sure to completely bleed air from brake system.
- The active test cannot be performed with the ABS warning lamp, VDC
OFF indicator lamp, SLIP indicator
lamp or brake warning lamp on.
- ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp and
brake warning lamp turn on
during active test.
NOTE:
- When active test is performed while depressing the pedal, the pedal
depression amount will change. This is
normal.
- "TEST IS STOPPED" is displayed 10 seconds after operation start.
- After "TEST IS STOPPED" is displayed, to perform test again, touch
BACK.
Test Item
ABS SOLENOID VALVE
- Select "Up", "Keep" and "Down". Then use screen monitor to check that
solenoid valve operates as shown in
the table below.
*: On for 1 to 2 seconds after the select, and then Off.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch
turned ON. This is not malfunction because it is an
operation for checking.
ABS SOLENOID VALVE (ACT)
Select "Up", "ACT UP" and "ACT KEEP". Then use screen monitor to check that
solenoid valve operates as
shown in the table below.
*: On for 1 to 2 seconds after the select, and then Off.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch
turned ON. This is not malfunction because it is an
operation for checking.
ABS MOTOR
- Select "On" and "Off". Make sure motor relay and actuator relay operates
as shown in table below.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch
turned ON. This is not malfunction because it is an
operation for checking.
WORK SUPPORT
Conditions |
Description |
ST ANGLE SENSOR ADJUSTMENT |
Steering angle sensor neutral position adjustment can be performed.
Refer to BRC "Work Procedure". |
ECU DIAGNOSIS INFORMATION
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Diagnosis system [abs actuator
and electric unit (control unit)]