2011 INFINITI QX56 Factory Service Manual

Page 4721 of 5598

INFINITI QX56 2011  Factory Service Manual 
SEC-114
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B26F5 STEERING LOCK STATUS SWITCH
NO >> GO TO 2.
2.CHECK IPDM E/R INPUT SIGNAL CIRCUIT
1. Disconnect IPDM E/R connector and steering loc

Page 4722 of 5598

INFINITI QX56 2011  Factory Service Manual 
B26F5 STEERING LOCK STATUS SWITCHSEC-115
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
>> INSPECTION END
6.CHECK BCM INPUT SIGNAL CIRCUIT
1. Disconnect BCM

Page 4723 of 5598

INFINITI QX56 2011  Factory Service Manual 
SEC-116
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B26F7 BCM
B26F7 BCM
DTC LogicINFOID:0000000006226272
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE

Page 4724 of 5598

INFINITI QX56 2011  Factory Service Manual 
B26F8 BCMSEC-117
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
B26F8 BCM
DTC LogicINFOID:0000000006226274
DTC DETECTION LOGIC
NOTE:
DTC B26F8 can be detect

Page 4725 of 5598

INFINITI QX56 2011  Factory Service Manual 
SEC-118
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B26F9 CRANKING REQUEST CIRCUIT
B26F9 CRANKING REQUEST CIRCUIT
DTC LogicINFOID:0000000006226276
DTC DETECTION LOGIC
NOTE:
 DTC B26F9 can

Page 4726 of 5598

INFINITI QX56 2011  Factory Service Manual 
B26F9 CRANKING REQUEST CIRCUITSEC-119
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
5. Check continuity between BCM harness connector and ground.
Is the in

Page 4727 of 5598

INFINITI QX56 2011  Factory Service Manual 
SEC-120
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B26FA CRANKING REQUEST CIRCUIT
B26FA CRANKING REQUEST CIRCUIT
DTC LogicINFOID:0000000006226278
DTC DETECTION LOGIC
NOTE:
 DTC B26FA can

Page 4728 of 5598

INFINITI QX56 2011  Factory Service Manual 
B26FA CRANKING REQUEST CIRCUITSEC-121
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
5. Check continuity between BCM harness connector and ground.
Is the in