2011 INFINITI QX56 Factory Service Manual

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Page 4745 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-138
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCH
B2110 SHIFT POSITION/C
LUTCH INTERLOCK SWITCH
DTC LogicINFOID:0000000006226302
DTC DETECTIO

SEC-138
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCH
B2110 SHIFT POSITION/C
LUTCH INTERLOCK SWITCH
DTC LogicINFOID:0000000006226302
DTC DETECTION LOGIC
NOTE:
If DTC B2110 is displayed with DTC U1000, first per form the trouble diagnosis for DTC U1000. Refer to PCS-
28, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Shift selector lever to the P position.
2. Turn ignition switch ON and wait 1 second or more.
3. Shift selector lever to the N position and wait 1 second or more.
4. Shift selector lever to any position other than P and N, and wait 1 second or more.
5. Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT-III.
Is DTC detected?
YES >> Go to SEC-138, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006226303
1.CHECK DTC OF BCM
Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.
Is DTC detected?
YES >> Perform the trouble diagnosis relat ed to the detected DTC. Refer to BCS-57, "DTCIndex".
NO >> GO TO 2.
2.CHECK DTC OF TCM
Check DTC in “Self Diagnostic Result ” mode of “TCM” using CONSULT-III.
Is DTC detected?
YES >> Perform the trouble diagnosis relat ed to the detected DTC. Refer to TM-78, "DTC Index".
NO >> GO TO 3.
3.CHECK IPDM E/R SIGNAL CIRCUIT OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Disconnect A/T assembly connector.
4. Check continuity between IPDM E/R harnes s connector and A/T assembly harness connector.
5. Check continuity between IP DM E/R harness connector and ground.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B2110 INTER LOCK/PNP SW OFF There is a difference between P/N position
signal from TCM and P/N position signal from
BCM (CAN). Harness or connectors
(CAN communication line is open or
shorted.)
Harness or connectors (TCM circuit is open or shorted.)
A/T assembly (TCM)
IPDM E/R
BCM
IPDM E/R A/T assembly Continuity
Connector Terminal Connector Terminal
E15 48 F51 9 Existed
Revision: 2010 May2011 QX56

Page 4746 of 5598

INFINITI QX56 2011 Factory Service Manual
B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCHSEC-139
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
Is the inspection result normal?
YES >> Replace IPDM E/R.

Page 4747 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-140
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HEADLAMP FUNCTION
HEADLAMP FUNCTION
Component Function CheckINFOID:0000000006226719
1.CHECK FUNCTION
1. Perform “HEAD LAMP(HI)” in �

Page 4748 of 5598

INFINITI QX56 2011 Factory Service Manual
HOOD SWITCHSEC-141
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
HOOD SWITCH
Component Function CheckINFOID:0000000006226305
1.CHECK FUNCTION
1. Select “

Page 4749 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-142
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HOOD SWITCH
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK HOOD SWITCH
Refer to SEC-142, "
C

Page 4750 of 5598

INFINITI QX56 2011 Factory Service Manual
HORN FUNCTIONSEC-143
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
HORN FUNCTION
Component Function CheckINFOID:0000000006226308
1.CHECK FUNCTION 1
1. Disc

Page 4751 of 5598

INFINITI QX56 2011 Factory Service Manual
SEC-144
< DTC/CIRCUIT DIAGNOSIS >[WITH INTELLIGENT KEY SYSTEM]
HORN FUNCTION
Is the inspection result normal?
YES >> Replace IPDM E/R. Refer to
PCS-32, "Removal and Installation".
NO >> Repair or re

Page 4752 of 5598

INFINITI QX56 2011 Factory Service Manual
HORN FUNCTIONSEC-145
< DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G H
I
J
L
M A
B
SEC
N
O P
NO >> Repair or replace harness.
7.CHECK VEHICLE SECURITY HORN RELAY
Refer to SEC-145,

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