Infiniti FX35, FX50 (S51). Manual - part 1669

 

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Infiniti FX35, FX50 (S51). Manual - part 1669

 

 

B2612 STEERING STATUS

SEC-89

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

2.

Disconnect steering lock unit connector and IPDM E/R connector E5.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK STEERING LOCK UNIT CIRCUIT-1

1.

Disconnect BCM connector M122.

2.

Check continuity between steering lock unit harness connector and BCM harness connector.

3.

Check continuity between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Connect IPDM E/R connector.

2.

Disconnect BCM connector M122.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace steering lock unit.

NO

>> GO TO 5.

5.

CHECK STEERING LOCK UNIT CIRCUIT-2

1.

Disconnect IPDM E/R connector E5.

2.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

3.

Check continuity between steering lock unit harness connector and ground.

(+)

(–)

Voltage (V)

(Approx.)

Steering lock unit

Connector

Terminal

M40

8

Ground

Battery voltage

Steering lock unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M40

8

M122

98

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

8

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Steering lock unit

Connector

Terminal

M40

8

Ground

Battery voltage

Steering lock unit

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M40

8

E5

33

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

8

Not existed

SEC-90

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2612 STEERING STATUS

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-34, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect steering lock unit connector and IPDM E/R connector E5.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> GO TO 7.

7.

CHECK STEERING LOCK UNIT CIRCUIT-3

1.

Disconnect BCM connector M122.

2.

Check continuity between steering lock unit harness connector and BCM harness connector.

3.

Check continuity between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Removal and Installation"

.

NO

>> Repair or replace harness.

8.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Connect IPDM E/R connector.

2.

Disconnect BCM connector M122.

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace steering lock unit.

NO

>> GO TO 9.

9.

CHECK STEERING LOCK UNIT CIRCUIT-4

1.

Disconnect IPDM E/R connector E5.

2.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

(+)

(–)

Voltage (V)

(Approx.)

Steering lock unit

Connector

Terminal

M40

3

Ground

Battery voltage

Steering lock unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M40

3

M122

97

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

3

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Steering lock unit

Connector

Terminal

M40

3

Ground

Battery voltage

Steering lock unit

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M40

3

E5

32

Existed

B2612 STEERING STATUS

SEC-91

< 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 steering lock unit 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.

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

3

Not existed

SEC-92

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2617 STARTER RELAY CIRCUIT

B2617 STARTER RELAY CIRCUIT

Description

INFOID:0000000005249524

Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition
switch is in the START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communica-
tion.

DTC Logic

INFOID:0000000005249525

DTC DETECTION LOGIC

NOTE:
• If DTC B2617 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-31, "BCM : DTC Logic"

.

• If DTC B2617 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-33, "BCM : Diagnosis Procedure"

.

• If DTC B2617 is displayed with DTC B210E for IPDM E/R, first perform the trouble diagnosis for DTC

B210E. Refer to 

SEC-108, "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-92, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005249526

1.

CHECK STARTER RELAY

1.

Turn ignition switch ON.

2.

Check voltage between BCM harness connector and ground.

Is the measurement value within the specification.

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK STARTER RELAY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector M121 and IPDM E/R connector E6.

3.

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

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2617

STARTER RELAY 
CIRC

An immediate operation of starter relay is request-
ed by BCM, but there is no response for more than 
1 second

• Harness or connectors

(Starter relay circuit is open or short-
ed)

• IPDM E/R

(+)

(–)

Condition

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M121

52

Ground

Selector lever

N or P position

Battery voltage

Other than above

0

 

 

 

 

 

 

 

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