Infiniti EX35. Manual — part 329
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-31
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
×
: Applicable
: Optional item
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALS
MAIN SIGNALS
FR LH SENSOR
[km/h (MPH)]
×
×
Wheel speed
FR RH SENSOR
[km/h (MPH)]
×
×
RR LH SENSOR
[km/h (MPH)]
×
×
RR RH SENSOR
[km/h (MPH)]
×
×
STOP LAMP SW
(On/Off)
×
×
Stop lamp switch signal status
BATTERY VOLT
(V)
×
×
Battery voltage supplied to the ABS actuator and electric
unit (control unit)
GEAR
×
×
Gear position determined by TCM
SLCT LVR POSI
×
×
A/T selector lever position
YAW RATE SEN
(d/s)
×
×
Yaw rate detected by yaw rate/side G sensor
ACCEL POS SIG
(%)
×
Throttle actuator opening/closing is displayed (Linked with
accelerator pedal)
SIDE G-SENSOR
(m/s
2
)
×
Transverse G detected by yaw rate/side G sensor
STR ANGLE SIG
(
°
)
×
Steering angle detected by steering angle sensor
PRESS SENSOR
(bar)
×
Brake fluid pressure detected by pressure sensor
ENGINE RPM
[tr/min (rpm)]
×
Engine speed
FLUID LEV SW
(On/Off)
×
Brake fluid level switch signal status
PARK BRAKE SW
(On/Off)
×
Parking brake switch signal status
LDP) APP SEN
(%) (Note 2)
×
×
Accelerator pedal position sensor status received from
ECM via CAN communication
FR RH IN SOL
(On/Off) (Note 1)
×
Operation status of each solenoid valve
FR RH OUT SOL
(On/Off) (Note 1)
×
FR LH IN SOL
(On/Off) (Note 1)
×
FR LH OUT SOL
(On/Off) (Note 1)
×
RR RH IN SOL
(On/Off) (Note 1)
×
RR RH OUT SOL
(On/Off) (Note 1)
×
RR LH IN SOL
(On/Off) (Note 1)
×
RR LH OUT SOL
(On/Off) (Note 1)
×
MOTOR RELAY
(On/Off)
×
Motor and motor relay operation
BRC-32
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
ACTUATOR RLY
(On/Off) (Note 1)
×
Actuator relay operation
ABS WARN LAMP
(On/Off)
×
ABS warning lamp
OFF LAMP
(On/Off)
×
VDC OFF indicator lamp
SLIP LAMP
(On/Off)
×
SLIP indicator lamp
EBD SIGNAL
(On/Off)
EBD operation
ABS SIGNAL
(On/Off)
ABS operation
TCS SIGNAL
(On/Off)
TCS operation
VDC SIGNAL
(On/Off)
VDC operation
EBD FAIL SIG
(On/Off)
EBD fail-safe signal
ABS FAIL SIG
(On/Off)
ABS fail-safe signal
TCS FAIL SIG
(On/Off)
TCS fail-safe signal
VDC FAIL SIG
(On/Off)
VDC fail-safe signal
CRANKING SIG
(On/Off)
Crank operation
USV[FR-RL]
(On/Off) (Note 1)
VDC switch-over valve
USV[FL-RR]
(On/Off) (Note 1)
HSV[FR-RL]
(On/Off) (Note 1)
HSV[FL-RR]
(On/Off) (Note 1)
V/R OUTPUT
(On/Off)
Solenoid valve relay activated
M/R OUTPUT
(On/Off)
Actuator motor and motor relay activated
LDP) SHIFT POSITION
(OFF/P/R/N/D/MM 1st – MM 6th)
(Note 2)
×
×
Shift position received from TCM via CAN communication
LDP) ICC MAIN SW
(On/Off) (Note 2)
×
×
ICC main switch status received from ECM via CAN com-
munication
LDP) LDP ON SW
(On/Off) (Note 2)
×
×
LDP ON switch status received from ECM via CAN com-
munication
LDP) WIPER SIGNAL
(Stop/PRTCT/1low/1high/Low/High)
(Note 2)
×
×
Front wiper operating condition received from BCM via
CAN communication
LDP) TURN SIGNAL
(Off/LH/RH/LH&RH) (Note 2)
×
×
Turn signal operating condition received from BCM via
CAN communication
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALS
MAIN SIGNALS
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-33
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
NOTE:
1: 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.
2: With LDP models.
ACTIVE TEST
CAUTION:
• Do not perform active test while driving vehicle.
• Make sure to completely bleed air from brake system.
• The active test cannot be started when ABS warning lamp, VDC OFF indicator lamp, SLIP indicator
lamp and brake warning lamp are ON.
• ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp and brake warning lamp are ON
during active test.
• Erase memory of ICC system after implementing active test. Refer to
• Erase memory of the lane camera unit after implementing active test. Refer to
NOTE:
• When active test is performed while depressing the pedal, the pedal depression amount will change. This is
normal. (Only solenoid valve and ABS motor.)
• “TEST IS STOPPED” is displayed 10 seconds after operation start.
• After “TEST IS STOPPED” is displayed, to perform test again.
Test Item
ABS SOLENOID VALVE
• Touch “Up”, “Keep” and “Down”. Then use screen monitor to check that solenoid valve operates as shown in
the table below.
LDP) STOP LMP SW
(On/Off) (Note 2)
×
×
Stop lamp switch signal status
LDP) BRAKE SW
(On/Off) (Note 2)
×
×
Brake switch signal status
LDP) LDW SW
(On/Off) (Note 2)
×
×
LDW switch status received from lane camera unit via
CAN communication
Monitor item (Unit)
SELECT MONITOR ITEM
Remarks
ECU INPUT
SIGNALS
MAIN SIGNALS
Test item
Display item
Display (Note)
Up
Keep
Down
FR RH SOL
FR RH IN SOL
Off
On
On
FR RH OUT SOL
Off
Off
On*
USV[FR-RL]
Off
Off
Off
HSV[FR-RL]
Off
Off
Off
FR LH SOL
FR LH IN SOL
Off
On
On
FR LH OUT SOL
Off
Off
On*
USV[FL-RR]
Off
Off
Off
HSV[FL-RR]
Off
Off
Off
RR RH SOL
RR RH IN SOL
Off
On
On
RR RH OUT SOL
Off
Off
On*
USV[FL-RR]
Off
Off
Off
HSV[FL-RR]
Off
Off
Off
BRC-34
< FUNCTION DIAGNOSIS >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
*: On for 1 to 2 seconds after the touch, 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)
• Touch “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 touch, 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
• Touch “On” and “Off” on screen. 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.
ECU IDENTIFICATION
ABS actuator and electric unit (control unit) part number can be read.
RR LH SOL
RR LH IN SOL
Off
On
On
RR LH OUT SOL
Off
Off
On*
USV[FR-RL]
Off
Off
Off
HSV[FR-RL]
Off
Off
Off
Test item
Display item
Display (Note)
Up
Keep
Down
Test item
Display item
Display (Note)
Up
ACT UP
ACT KEEP
FR RH ABS SOLENOID
(ACT)
FR RH IN SOL
Off
Off
Off
FR RH OUT SOL
Off
Off
Off
USV[FR-RL]
Off
On
On
HSV[FR-RL]
Off
On*
Off
FR LH ABS SOLENOID
(ACT)
FR LH IN SOL
Off
Off
Off
FR LH OUT SOL
Off
Off
Off
USV[FL-RR]
Off
On
On
HSV[FL-RR]
Off
On*
Off
RR RH ABS SOLENOID
(ACT)
RR RH IN SOL
Off
Off
Off
RR RH OUT SOL
Off
Off
Off
USV[FL-RR]
Off
On
On
HSV[FL-RR]
Off
On*
Off
RR LH ABS SOLENOID
(ACT)
RR LH IN SOL
Off
Off
Off
RR LH OUT SOL
Off
Off
Off
USV[FR-RL]
Off
On
On
HSV[FR-RL]
Off
On*
Off
Test item
Display item
Display
On
Off
ABS MOTOR
MOTOR RELAY
On
Off
ACTUATOR RLY (Note)
On
On
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