2011 INFINITI QX56 brake

BRC-50
< ECU DIAGNOSIS INFORMATION >[WITH VDC]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
*1: Models with 4WD System
*2: Models with Advanced Driver Assistance System
Protection FunctionINFOID:0000000006222581
The VDC warning lamp, ABS warning lamp and brake warning lamp turns ON and DTC “C118E” may be
detected in self-diagnosis result of “ABS” when the br
ake pedal is excessively operated, such as air bleeding.
This is not a system malfunction because this occurs due to the temporary decrease in accumulator fluid pres-
sure. The system returns to normal condition when the accu mulator fluid pressure reaches the specified pres-
sure with the ignition switch ON and the VDC warning lamp, ABS warning lamp, and brake warning lamp turn
OFF. After these steps, erase self-diagnos is results for “ABS” with CONSULT-III.
NOTE:
D T C “ C 1111 ” i s d e t e c t e d i n s e l f - d i agnosis results of “ABS” when the a ccumulator system has a malfunction.
DTC Inspection Priority ChartINFOID:0000000006222582
When multiple DTCs are displayed simultaneously, check one by one depending on the following priority list.
C1170 When the information in ABS actuator and electric unit (control unit) is not the same. The following functions are sus-
pended.
 VDC function
 TCS function
 ABS function
 hill start assist function
 Brake limited slip differential
(BLSD) function
C118E When performing excessive brake pedal operation with the vehicle stopped. [When
accumulator fluid pressure reaches 11.43 MPa (114 bar, 116.6 kg/cm
2, 1657 psi) af-
ter reaching 17.3 MPa (173 bar, 176.5 kg/cm2, 2509 psi.] The following functions are sus-
pended.
 VDC function
 TCS function
 ABS function
 EBD function
 hill start assist function
 Brake limited slip differential
(BLSD) function
U1000 When CAN communication signal is not continuously received for 2 seconds or
more. The following functions are sus-
pended.
 VDC function
 TCS function
 ABS function
 hill start assist function
 Brake limited slip differential
(BLSD) function
DTC Malfunction detected condition Fail-safe condition
DTC
 VDC warning lamp
 ABS warning lamp
 Brake warning lamp Condition Description protection function
C118E ON When temporary decrease in accumulator fluid pres-
sure.
NOTE:
System is not malfunction. The following functions are suspended
temporarily
 VDC function
 TCS function
 ABS function
 EBD function
 hill start assist function
 Brake limited slip differential (BLSD)
function
Priority Detected item (DTC)
1  U1000 CAN COMM CIRCUIT
2  C1170 VARIANT CODING
Revision: 2010 May2011 QX56

BRAKE CONTROL SYSTEMBRC-53
< WIRING DIAGRAM > [WITH VDC]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
WIRING DIAGRAM
BRAKE CONTROL SYSTEM
Wiring DiagramINFOID:0000000006222584
JCFWM0627GB
Revision: 2010 May2011 QX56

BRC-54
< WIRING DIAGRAM >[WITH VDC]
BRAKE CONTROL SYSTEM
JCFWM0628GB
Revision: 2010 May2011 QX56

BRAKE CONTROL SYSTEMBRC-55
< WIRING DIAGRAM > [WITH VDC]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
JCFWM0629GB
Revision: 2010 May2011 QX56

BRC-56
< WIRING DIAGRAM >[WITH VDC]
BRAKE CONTROL SYSTEM
JCFWM0630GB
Revision: 2010 May2011 QX56

BRAKE CONTROL SYSTEMBRC-57
< WIRING DIAGRAM > [WITH VDC]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
JCFWM0631GB
Revision: 2010 May2011 QX56

BRC-58
< WIRING DIAGRAM >[WITH VDC]
BRAKE CONTROL SYSTEM
JCFWM0632GB
Revision: 2010 May2011 QX56

BRAKE CONTROL SYSTEMBRC-59
< WIRING DIAGRAM > [WITH VDC]
C
D
E
G H
I
J
K L
M A
B
BRC
N
O P
JCFWM0633GB
Revision: 2010 May2011 QX56