Nissan 350Z Workshop Maunual 2005 (9) PDF | Page 19

TROUBLE DIAGNOSIS
BRC-19
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
Revision: 2005 August 2005 350Z
Control Unit Input/Output Signal Standard AFS00294
REFERENCE VALUE FROM CONSULT-II
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: ABS warning lamp ON/OFF timing
ON: For approximately 1 second after the ignition switch is turned on or when an error is detected.
OFF: Approximately 1 second after the ignition switch is turned on (when system is normal).
Monitor item Display Content
Data monitor
Reference: Error inspec-
tion checklist
Condition
Reference values
for normal opera-
tion
WHEEL SENSOR
Wheel speed calcu-
lated using signals
from all four wheel
sensors
Vehicle stopped 0 km/h (0 MPH)
BRC-30, "
Inspection 1
Wheel Sensor System"
While driving (Note 1)
Nearly matches
the speedometer
display ( 10% or
less)
IN ABS S/V
OUT ABS S/V
Operation status of all
solenoids
When the actuator solenoid
operates or during a fail-safe
ON
?
When the actuator relay oper-
ates and the actuator solenoid
does not operate
OFF
EBD WARNING LAMP
Brake warning lamp on
condition (Note 2)
Brake warning lamp ON ON
?
Brake warning lamp OFF OFF
STOP LAMP SWITCH Brake pedal operation
Brake pedal depressed ON BRC-35, "
Inspection 6
Stop Lamp Switch Sys-
tem"
Brake pedal not depressed OFF
ABS MOTOR RELAY
Motor and motor relay
operation status
When the motor relay and
motor are operating
ON
BRC-34, "
Inspection 5
ABS Actuator Relay or
ABS Motor Relay Power
System"
When the motor relay and
motor are not operating
OFF
ABS ACTUATOR
RELAY
Actuator relay opera-
tion status
When the actuator relay is
operating
OFF
BRC-34, "
Inspection 5
ABS Actuator Relay or
ABS Motor Relay Power
System"
When the actuator relay is not
operating
ON
ABS WARNING LAMP
ABS warning lamp on
condition (Note 2)
ABS warning lamp ON ON
?
ABS warning lamp OFF OFF
POWER SUPPLY
VOLTAGE
Battery voltage sup-
plied to TCS/ABS con-
trol unit
Ignition switch ON 10 - 16V
BRC-32, "
Inspection 4
ABS Actuator and Elec-
tric Unit (Control Unit)
Power and Ground Sys-
tems"
GEAR
Determined gear shift
position from the A/T
PNP switch signal
Driving
M/T vehicles are
always left in 1.
?
ENGINE SPEED Engine running
With engine stopped 0 rpm
Engine speed signal sys-
tem
With engine running
Almost in accor-
dance with
tachometer display
FAIL SIGNAL Fail signal status
During ABS fail-safe
During EBD fail-safe
ON
ABS system
EBD system

Summary of Content

TROUBLE DIAGNOSISBRC-19[ABS]CDEGHIJKLMABBRCRevision: 2005 August 2005 350ZControl Unit Input/Output Signal Standard AFS00294REFERENCE VALUE FROM CONSULT-IICAUTION:The display shows the control unit calculation data, so a normal value might be displayed even in theevent the output circuit (harness) is open or short - circuited.Note 1: Confirm tire pressure is normal.Note 2: ABS warning lamp ON/OFF timing ON: For approximately 1 second after the ignition switch is turned on or when an error is detected.OFF: Approximately 1 second after the ignition switch is turned on (when system is normal).Monitor item Display ContentData monitorReference: Error inspec-tion checklistConditionReference values for normal opera-tionWHEEL SENSORWheel speed calcu-lated using signals from all four wheel sensorsVehicle stopped 0 km/h (0 MPH)BRC-30, "Inspection 1 Wheel Sensor System"While driving (Note 1)Nearly matches the speedometer display ( 10% or less)IN ABS S/VOUT ABS S/VOperation status of all solenoidsWhen the actuator solenoid operates or during a fail-safeONWhen the actuator relay oper-ates and the actuator solenoid does not operateOFFEBD WARNING LAMPBrake warning lamp on condition (Note 2)Brake warning lamp ON ONBrake warning lamp OFF OFFSTOP LAMP SWITCH Brake pedal operationBrake pedal depressed ON BRC-35, "Inspection 6 Stop Lamp Switch Sys-tem"Brake pedal not depressed OFFABS MOTOR RELAYMotor and motor relay operation statusWhen the motor relay and motor are operatingONBRC-34, "Inspection 5 ABS Actuator Relay or ABS Motor Relay Power System"When the motor relay and motor are not operatingOFFABS ACTUATOR RELAYActuator relay opera-tion statusWhen the actuator relay is operatingOFFBRC-34, "Inspection 5 ABS Actuator Relay or ABS Motor Relay Power System"When the actuator relay is not operatingONABS WARNING LAMPABS warning lamp on condition (Note 2)ABS warning lamp ON ONABS warning lamp OFF OFFPOWER SUPPLY VOLTAGEBattery voltage sup-plied to TCS/ABS con-trol unitIgnition switch ON 10 - 16VBRC-32, "Inspection 4 ABS Actuator and Elec-tric Unit (Control Unit) Power and Ground Sys-tems"GEARDetermined gear shift position from the A/T PNP switch signalDrivingM/T vehicles are always left in 1.ENGINE SPEED Engine runningWith engine stopped 0 rpmEngine speed signal sys-temWith engine runningAlmost in accor-dance with tachometer displayFAIL SIGNAL Fail signal statusDuring ABS fail-safeDuring EBD fail-safeONABS systemEBD system