Infiniti QX56 (Z62). Manual - part 1187

SEC-138

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCH

B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCH

DTC Logic

INFOID:0000000006226302

DTC DETECTION LOGIC

NOTE:
If DTC B2110 is displayed with DTC U1000, first perform 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 Procedure

INFOID: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 related to the detected DTC. Refer to 

BCS-57, "DTC Index"

.

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 related 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 harness connector and A/T assembly harness connector.

5.

Check continuity between IPDM 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 

B2110 SHIFT POSITION/CLUTCH INTERLOCK SWITCH

SEC-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. Refer to 

PCS-32, "Removal and Installation"

.

NO

>> Repair or replace harness.

(+)

(–)

Continuity

IPDM E/R

Connector

Terminal

E15

48

Ground

Not existed

SEC-140

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HEADLAMP FUNCTION

HEADLAMP FUNCTION

Component Function Check

INFOID:0000000006226719

1.

CHECK FUNCTION

1.

Perform “HEAD LAMP(HI)” in “ACTIVE TEST” mode of “THEFT ALM” of “BCM” using CONSULT-III.

2.

Check headlamps operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

SEC-140, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006226720

1.

CHECK HEADLAMP FUNCTION

Refer to 

EXL-86, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

Test item

Description

HEAD LAMP (HI)

ON

Headlamps (Hi)

Light

OFF

Do not light

HOOD SWITCH

SEC-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 Check

INFOID:0000000006226305

1.

CHECK FUNCTION

1.

Select “HOOD SW” in “Data Monitor” mode of “IPDM E/R” using CONSULT-III. 

2.

Check “HOOD SW” indication under the following condition.

Is the indication normal?

YES

>> Hood switch is OK.

NO

>> Go to  

SEC-141, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006226306

1.

CHECK HOOD SWITCH SIGNAL CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect hood switch connector.

3.

Check voltage between hood switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK HOOD SWITCH SIGNAL CIRCUIT 2

1.

Disconnect IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector and hood switch harness connector.

3.

Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-32, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch harness connector and ground.

Monitor item

Condition

Indication

HOOD SW

Hood

Open

ON

Close

OFF

(+)

(–)

Voltage (V)

(Approx.)

Hood switch

Connector

Terminal

E57

1

Ground

12

IPDM E/R

Hood switch

Continuity

Connector

Terminal

Connector

Terminal

E13

32

E57

1

Existed

IPDM E/R

Ground

Continuity 

Connector

Terminal

E13

32

Not existed

Hood switch

Ground

Continuity

Connector

Terminal

E57

2

Existed