Infiniti FX35, FX50 (S51). Manual - part 1674

B210E STARTER RELAY

SEC-109

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK STARTER RELAY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector E5.

3.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Check harness for open or short between IPDM E/R and battery. Refer to 

PCS-27, "Wiring Dia-

gram - IPDM E/R -"

.

BCM

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M121

52

E6

46

Existed

BCM

Ground

Continuity

Connector

Terminal

M121

52

Not existed

(+)

(–)

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E5

36

Ground

Battery voltage

SEC-110

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210F PNP/CLUTCH INTERLOCK SWITCH

B210F PNP/CLUTCH INTERLOCK SWITCH

Description

INFOID:0000000005249557

IPDM E/R confirms the shift position with the following signals.
• Transmission range switch
• Shift position signal from BCM (CAN)

DTC Logic

INFOID:0000000005249558

DTC DETECTION LOGIC

NOTE:
If DTC B210F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to 

SEC-

31, "IPDM E/R : DTC Logic"

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON under the following conditions and wait for at least 1 second.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III. 

Is DTC detected?

YES

>> Go to 

SEC-110, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249559

1.

CHECK DTC WITH BCM

Check “Self diagnostic result” with CONSULT-III. Refer to 

SEC-194, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TRANSMISSION RANGE SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector E5.

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> GO TO 3.

3.

CHECK TRANSMISSION RANGE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B210F

INTER LOCK/PNP SW 
ON

IPDM E/R detects the difference between the sig-
nals below for 1 second or more.
• Transmission range switch input signal
• Shift position signal from BCM (CAN)

• Harness or connectors

[Transmission range switch circuit 
is open or shorted

• Transmission range switch

(+)

(–)

Condition

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E5

30

Ground

Selector lever

P or N

Battery voltage

Other than above

0

B210F PNP/CLUTCH INTERLOCK SWITCH

SEC-111

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

2.

Disconnect TCM connector E5.

3.

Check continuity between IPDM E/R harness connector and A/T assembly harness connector.

4.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

IPDM E/R

A/T assembly

Continuity

Connector

Terminal

Connector

Terminal

E5

30

F51

9

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E5

30

Not existed

SEC-112

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2110 PNP/CLUTCH INTERLOCK SWITCH

B2110 PNP/CLUTCH INTERLOCK SWITCH

Description

INFOID:0000000005249560

IPDM E/R confirms the shift position with the following signals.
• Transmission range switch
• Shift position signal from BCM (CAN)

DTC Logic

INFOID:0000000005249561

DTC DETECTION LOGIC

NOTE:
If DTC B2110 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to 

SEC-

31, "IPDM E/R : DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn the ignition switch ON under the following conditions and wait for at least 1 second.

-

Selector lever is in the P or N position.

-

Do not depress brake pedal.

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-112, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249562

1.

CHECK DTC WITH TCM

Check “Self diagnostic result” with CONSULT-III. Refer to 

TM-150, "DTC Index"

 (VQ35HR) or refer to 

TM-332,

"DTC Index"

 (VK50VE).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK TRANSMISSION RANGE SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R connector E5.

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2110

INTER LOCK/PNP 
SW 

IPDM E/R detects the difference between the sig-
nals below for 1 second or more.
• Transmission range switch input signal
• Shift position signal from BCM (CAN)

• Harness or connectors

[Transmission range switch circuit is 
open or shorted

• Transmission range switch
• IPDM E/R
• BCM

(+)

(–)

Condition

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E5

30

Ground

Selector lever

P or N

Battery voltage

Other than above

0