2011 INFINITI QX56 Factory Service Manual

Page 2785 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2517 VEHICLE SPEED SIGNALEXL-75
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
C
D
E
F
G H
I
J
K
M A
B
EXL
N
O P
B2517 VEHICLE SPEED SIGNAL
DTC LogicINFOID:0000000006213938
DTC DETECTION LOGIC
DTC CONFIRMAT

Page 2786 of 5598

INFINITI QX56 2011  Factory Service Manual 
EXL-76
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
B2519 LEVELIZER CALIBRATION
B2519 LEVELIZER CALIBRATION
DTC LogicINFOID:0000000006213940
Diagnosis ProcedureINFOID:0000000006213941
1.LEVELIZER ADJUSTMENT

Page 2787 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2521 ECU CIRCUITEXL-77
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
C
D
E
F
G H
I
J
K
M A
B
EXL
N
O P
B2521 ECU CIRCUIT
DTC LogicINFOID:0000000006213942
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.DT

Page 2788 of 5598

INFINITI QX56 2011  Factory Service Manual 
EXL-78
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
B2521 ECU CIRCUIT
Is the measurement value within the standard value?
YES >> Replace AFS control unit. Refer to 
EXL-135, "Removal and Installation"
Less

Page 2789 of 5598

INFINITI QX56 2011  Factory Service Manual 
B2521 ECU CIRCUITEXL-79
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
C
D
E
F
G H
I
J
K
M A
B
EXL
N
O P
Is the inspection result normal?
YES >> Replace AFS control unit. Refer to  EXL-135, "Removal and Inst

Page 2790 of 5598

INFINITI QX56 2011  Factory Service Manual 
EXL-80
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
C0126 STEERING ANGLE SENSOR SIGNAL
C0126 STEERING ANGLE SENSOR SIGNAL
DTC LogicINFOID:0000000006213944
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.DT

Page 2791 of 5598

INFINITI QX56 2011  Factory Service Manual 
C0428 STEERING ANGLE SENSOR CALIBRATIONEXL-81
< DTC/CIRCUIT DIAGNOSIS > [XENON TYPE]
C
D
E
F
G H
I
J
K
M A
B
EXL
N
O P
C0428 STEERING ANGLE SENSOR CALIBRATION
DTC LogicINFOID:0000000006213946
Diagnos

Page 2792 of 5598

INFINITI QX56 2011  Factory Service Manual 
EXL-82
< DTC/CIRCUIT DIAGNOSIS >[XENON TYPE]
U1000 CAN COMM CIRCUIT
U1000 CAN COMM CIRCUIT
DescriptionINFOID:0000000006213948
CAN (Controller Area Network) is the serial transmissi
on for real time a