Nissan Sentra Service Manual: Ecu diagnosis information

Nissan Sentra Service Manual / Brakes / Brake control system / 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 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

DTC Inspection Priority Chart

When multiple DTCs are displayed simultaneously, check each one using the following priority list.

DTC Index

DTC Index

Wiring diagram

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 ...

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