Infiniti QX56 (Z62). Manual - part 1176

 

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Infiniti QX56 (Z62). Manual - part 1176

 

 

SEC-94

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2608 STARTER RELAY

5.

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.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-40, "Intermittent Incident"

.

>> INSPECTION END

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

E13

30

M71

97

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E13

30

Not existed

B2609 STEERING STATUS

SEC-95

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2609 STEERING STATUS

DTC Logic

INFOID:0000000006226245

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE 1

1.

Press push-button ignition switch under the following conditions and wait 1 second or more.

-

Selector lever: In the P position

-

Brake pedal: Not depressed

2.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-95, "Diagnosis Procedure"

.

NO

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF.

3.

Press driver side door switch and wait 1 second or more.

4.

Check DTC in “Self Diagnostic Result” mode of “BCM” using CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-95, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006226246

1.

CHECK IPDM E/R INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

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

NOTE:

Is the inspection result normal?

YES

>> GO TO 4.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B2609

S/L STATUS

BCM detects one of the following status.
• Combination of steering lock state switch and 

steering unlock state switch is not normal.

• Combination of steering lock state switch and 

steering unlock state switch is different from 
steering lock/unlock state that BCM recognizes.

• Harness or connectors

(Steering lock unit circuit is open or 
shorted.)

• Steering lock unit 
• BCM

(+)

(–)

Condition

Voltage (V)

(Approx.)

IPDM E/R

Connector

Terminal

E17

63

Ground

Steering lock unit

Lock

12

Unlock

0

65

Lock

0

Unlock

12

To lock the steering

1.

Set the selector lever in the P position.

2.

Turn the power supply position to the OFF position.

3.

Press any door switch.

To unlock the steering

1.

Set the selector lever in the P position.

2.

Press the push-button ignition switch with brake pedal not depressed.

SEC-96

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2609 STEERING STATUS

NO

>> GO TO 2.

2.

CHECK IPDM E/R INPUT SIGNAL CIRCUIT

1.

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

2.

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

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.

>> INSPECTION END

4.

CHECK BCM INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between BCM harness connector and ground.

NOTE:

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 6.

5.

REPLACE BCM

1.

Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

2.

Perform initialization of BCM and registration of all Intelligent Keys using CONSULT-III.
For initialization and registration procedures, refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

IPDM E/R

Steering lock unit

Continuity

Connector

Terminal

Connector

Terminal

E17

63

M12

8

Existed

65

3

IPDM E/R

Ground

Continuity

Connector

Terminal

E17

63

Not existed

65

(+)

(–)

Condition

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M71

107

Ground

Steering lock unit

Lock

0

Unlock

12

108

Lock

12

Unlock

0

To lock the steering

1.

Set the selector lever in the P position.

2.

Turn the power supply position to the OFF position.

3.

Press any door switch.

To unlock the steering

1.

Set the selector lever in the P position.

2.

Press the push-button ignition switch with brake pedal not depressed.

B2609 STEERING STATUS

SEC-97

< 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 connector and steering lock unit connector.

2.

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

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness.

7.

REPLACE STEERING LOCK UNIT

1.

Replace steering lock unit.

2.

Perform the service procedure for steering lock unit replacement. Refer to CONSULT-III Operation Man-
ual NATS-IVIS/NVIS.

>> INSPECTION END

BCM

Steering lock unit

Continuity

Connector

Terminal

Connector

Terminal

M71

107

M12

3

Existed

108

8

BCM

Ground

Continuity

Connector

Terminal

M71

107

Not existed

108

 

 

 

 

 

 

 

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