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 ...

Other materials:

B1430, B1432 Seat belt pre-tensioner LH
Description DTC B1430, B1432 SEAT BELT PRE-TENSIONER LH The seat belt pre-tensioner LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor for opens and shorts in detected lines to the seat belt pre-tensioner LH. PART LOCATION Refer to SRC-5, " ...

P1556, P1557 Battery temperature sensor
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1556 or P1557 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to EC-353, "DTC Logic". DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible caus ...

Basic inspection
Diagnosis and repair work flow Work flow Overall sequence Detailed flow 1.Get information for symptom Get the detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the вЂњdiagnostic work sheetвЂќ. ( ...