Qashqai J11. Brake control system - part 4
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-49
< ECU DIAGNOSIS INFORMATION >
[WITH ESP]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Note 1: Confirm tire pressure is standard value.
Note 2: Refer to
for ON/OFF conditions of each warning lamp and indicator
lamp.
Note 3: AWD models
Note 4: USS (Hill Start Assist)
Fail-Safe
INFOID:0000000010427932
VDC FUNCTION, TCS FUNCTION, BRAKE LIMITED SLIP DIFFERENTIAL FUNCTION, BRAKE AS-
SIST FUNCTION, hill start assist FUNCTION AND BRAKE FORCE DISTRIBUTION FUNCTION
VDC warning 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 function, TCS function, Brake limited slip differ-
ential (BLSD) function, Brake assist function, hill start assist function and Brake force distribution function. The
vehicle status becomes the same as models without VDC function, TCS function, Brake limited slip differential
(BLSD) function, Brake assist function, hill start assist function and Brake force distribution function. However,
ABS function and EBD function are operated normally.
ABS FUNCTION
ABS warning lamp and VDC warning 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 function, TCS function, ABS
function, Brake limited slip differential (BLSD) function, Brake assist function, hill start assist function and
Brake force distribution function. The vehicle status becomes the same as models without VDC function, TCS
function, ABS function, Brake limited slip differential (BLSD) function, Brake assist function, hill start assist
function and Brake force distribution function. However, EBD function is operated normally.
NOTE:
ABS self-diagnosis sound may be heard the same as in the normal condition, because self-diagnosis is per-
formed when ignition switch turns ON and when vehicle initially starts.
EBD FUNCTION
ABS warning lamp, brake warning lamp and VDC warning lamp in combination meter turn ON when a mal-
function occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC
EBD FAIL SIG
In EBD fail-safe
On
EBD is normal
Off
ABS FAIL SIG
In ABS fail-safe
On
ABS is normal
Off
TCS FAIL SIG
In TCS fail-safe
On
TCS is normal
Off
VDC FAIL SIG
In VDC fail-safe
On
VDC is normal
Off
CRANKING SIG
At cranking
On
Other than at cranking
Off
EBD WARN LAMP
When brake warning lamp is ON
(Note 2)
On
When brake warning lamp is OFF
(Note 2)
Off
GEAR
Driving
1 – 7
Depending on shift status
N POSI SIG
When selector lever is in the N position
On
When selector lever is in the other position than N
Off
R POSI SIG
When selector lever is in the R position
On
When selector lever is in the other position than R
Off
4WD MODE MON
(Note 3)
Always
AUTO, LOCK, 2WD (depending on 4WD
control status)
USS SIG
(Note 4)
When hill start assist is active
On
When hill start assist is not active
Off
Monitor item
Condition
Reference values in normal operation