Nissan Quest E52. Instruction — part 235
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-33
< SYSTEM DESCRIPTION >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ABS IN Valve and ABS OUT Valve
When “Up”, “Keep” or “Down” is selected on display screen, the following items are displayed when system is
normal.
*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch turned ON. This is not mal-
function because it is a operation for checking.
ABS IN Valve (ACT) and ABS OUT Valve (ACT)
When “Up”, “ACT KEEP” or “ACT UP” is selected on display screen, the following items are displayed when
system is normal.
*: Immediately after being selected, status is “On”. Status changes to “Off” after approx. 2 seconds.
NOTE:
A brief moment of On/Off condition occurs every 20 seconds after ignition switch turned ON. This is not mal-
function because it is a operation for checking.
ABS Motor
When “On” or “Off” is selected on display screen, the following items are displayed when system is normal.
Test item
Display item
Display
Up
Keep
Down
FR RH SOL
FR RH IN SOL
Off
On
On
FR RH OUT SOL
Off
Off
On*
FR LH SOL
FRLH IN SOL
Off
On
On
FR LH OUT SOL
Off
Off
On*
RR RH SOL
RR RH IN SOL
Off
On
On
RR RH OUT SOL
Off
Off
On*
RR LH SOL
RR LH IN SOL
Off
On
On
RR LH OUT SOL
Off
Off
On*
Test item
Display item
Display
Up
ACT UP
ACT KEEP
FR RH ABS SOLE-
NOID (ACT)
FR RH IN SOL
Off
Off
Off
FR RH OUT SOL
Off
Off
Off
CV1
Off
On
On
SV1
Off
On*
Off
FR LH ABS SOLE-
NOID (ACT)
FRLH IN SOL
Off
Off
Off
FR LH OUT SOL
Off
Off
Off
CV2
Off
On
On
SV2
Off
On*
Off
RR RH ABS SOLE-
NOID (ACT)
RR RH IN SOL
Off
Off
Off
RR RH OUT SOL
Off
Off
Off
CV2
Off
On
On
SV2
Off
On*
Off
RR LH ABS SOLE-
NOID (ACT)
RR LH IN SOL
Off
Off
Off
RR LH OUT SOL
Off
Off
Off
CV1
Off
On
On
SV1
Off
On*
Off
BRC-34
< SYSTEM DESCRIPTION >
[WITH VDC]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
*: When the ignition switch is turned ON, the indication switches between “On” and “Off” for an extremely brief
moment at irregular intervals. This is not a malfunction. The symptom is merely a result of confirmatory
checks.
WORK SUPPORT
Test item
Display item
Display
On
Off
ABS MOTOR
MOTOR RELAY
On
Off
ACTUATOR RLY
On*
On*
Item
Description
ST ANGLE SENSOR ADJUSTMENT
Perform neutral position adjustment of steering angle sensor.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-35
< ECU DIAGNOSIS INFORMATION >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ECU DIAGNOSIS INFORMATION
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
INFOID:0000000009651366
CONSULT DATA MONITOR STANDARD VALUE
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Monitor item
Condition
Reference values in normal operation
FR LH SENSOR
Vehicle stopped
0.00 km/h (MPH)
When driving straight ahead
*1
Nearly matches the speedometer dis-
play (within
±
10%)
FR RH SENSOR
Vehicle stopped
0.00 km/h (MPH)
When driving straight ahead
*1
Nearly matches the speedometer dis-
play (within
±
10%)
RR LH SENSOR
Vehicle stopped
0.00 km/h (MPH)
When driving straight ahead
*1
Nearly matches the speedometer dis-
play (within
±
10%)
RR RH SENSOR
Vehicle stopped
0.00 km/h (MPH)
When driving straight ahead
*1
Nearly matches the speedometer dis-
play (within
±
10%)
FR RH IN SOL
*2
Active
On
Not activated
Off
FR RH OUT SOL
*2
Active
On
Not activated
Off
FR LH IN SOL
*2
Active
On
Not activated
Off
FR LH OUT SOL
*2
Active
On
Not activated
Off
RR RH IN SOL
*2
Active
On
Not activated
Off
RR RH OUT SOL
*2
Active
On
Not activated
Off
RR LH IN SOL
*2
Active
On
Not activated
Off
RR LH OUT SOL
*2
Active
On
Not activated
Off
EBD WARN LAMP
When brake warning lamp is ON
*3
On
When brake warning lamp is OFF
*3
Off
STOP LAMP SW
Brake pedal depressed
On
Brake pedal not depressed
Off
MOTOR RELAY
Active
On
Not activated
Off
ACTUATOR RLY
Active
On
Not activated (in fail-safe mode)
Off
BRC-36
< ECU DIAGNOSIS INFORMATION >
[WITH VDC]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
ABS WARN LAMP
When ABS warning lamp is ON
*3
On
When ABS warning lamp is OFF
*3
Off
OFF LAMP
When VDC OFF indicator lamp is ON
*3
On
When VDC OFF indicator lamp is OFF
*3
Off
OFF SW
VDC OFF switch ON
On
VDC OFF switch OFF
Off
SLIP/VDC LAMP
When VDC warning lamp is ON
*3
On
When VDC warning lamp is OFF
*3
Off
BATTERY VOLT
Ignition switch ON
10 – 16 V
GEAR
Driving
1 – 6
Depending on shift status
SLCT LVR POSI
When ignition switch is ON
P, R, N, D
ENGINE SPEED
Engine stopped
0 rpm
Engine running
Almost same reading as tachometer
YAW RATE SEN
Vehicle stopped
Approx. 0 d/s
Turning right
Negative value
Turning left
Positive value
R POSI SIG
When selector lever is in the R position
On
When selector lever is in the other position than R
Off
N POSI SIG
When selector lever is in the N position
On
When selector lever is in the other position than N
Off
P POSI SIG
When selector lever is in the P position
On
When selector lever is in the other position than P
Off
CV1
*2
Active
On
Not activated
Off
CV2
*2
Active
On
Not activated
Off
SV1
*2
Active
On
Not activated
Off
SV2
*2
Active
On
Not activated
Off
ACCEL POS SIG
Never depress accelerator pedal (with ignition
switch ON)
0%
Depress accelerator pedal (with ignition switch ON)
0 – 100%
SIDE G-SENSOR
Vehicle stopped
Approx. 0 m/s
2
Turning right
Negative value
Turning left
Positive value
STR ANGLE SIG
When driving straight
0
±
3.5
°
When steering wheel is steered to LH by 90
°
Approx. –90
°
When steering wheel is steered to RH by 90
°
Approx. +90
°
PRESS SENSOR
Brake pedal not depressed
Approx. 0 bar
Brake pedal depressed
(–40)
−
(+300 bar)
EBD SIGNAL
EBD is activated
On
EBD is not activated
Off
Monitor item
Condition
Reference values in normal operation
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