Infiniti G35 (V35) Sedan. Manual - part 1184

 

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Infiniti G35 (V35) Sedan. Manual - part 1184

 

 

B210A STEERING LOCK CONDITION SWITCH

SEC-91

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B210A STEERING LOCK CONDITION SWITCH

Description

INFOID:0000000000961434

There are 2 switches in the steering unit. IPDM E/R compares those 2 switches conditions to judge the
present steering status and transmit the result to BCM via CAN communication.

DTC Logic

INFOID:0000000000961435

DTC DETECTION LOGIC

NOTE:
• If DTC B210A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-35, "DTC Logic"

.

• If DTC B210A is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-36, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Press the push-button ignition switch under the following conditions and wait for at least 1 second.

-

A/T selector lever is in the P or N position

-

Do not depress the brake pedal

2.

Check “Self diagnostic result” with CONSULT-III.

Is DTC detected?

YES

>> Go to 

SEC-91, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000000961436

1.

INSPECTION START

Check the case in which DTC is detected.
• Case1: It is detected after ignition switch is changed from ON to OFF and door switch is pressed
• Case2: It is detected after ignition switch is changed from ON to OFF

In which case is DTC detected?

Case1 >> GO TO 2.
Case2 >> GO TO 7.

2.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

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

3.

Check voltage between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B210A

STRG LCK STATE 
SW

BCM detects the mismatch between the following 
for 1 second
• Steering lock or unlock
• Feedback of steering lock status from IPDM E/R 

(CAN)

• Harness or connectors

[steering lock unit circuit (BCM 
side) is open or shorted]

• Harness or connectors

[steering lock unit circuit (IPDM E/
R side) is open or shorted.]

• Steering lock unit 
• IPDM  E/R

Steering lock unit

Ground

Voltage [V]

Connector

Terminal

M40

3

Ground

Battery voltage

SEC-92

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210A STEERING LOCK CONDITION SWITCH

NO

>> GO TO 3.

3.

CHECK STEERING LOCK UNIT CIRCUIT-I

1.

Disconnect BCM harness 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

>> GO TO 6.

NO

>> Repair harness or connector.

4.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Connect IPDM E/R harness connector E5.

2.

Disconnect BCM harness 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-II

1.

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

2.

Check continuity between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair harness or connector.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

7.

CHECK BCM OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

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

3.

Check voltage between steering lock unit harness connector and ground.

Steering lock unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M40

3

M122

97

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

3

Ground

Not existed

Steering lock unit

Ground

Voltage [V]

Connector

Terminal

M40

3

Ground

Battery voltage

Steering lock unit

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M40

3

E5

32

Existed

Steering lock unit

Ground

Continuity

Connector

Terminal

M40

3

Ground

Not existed

B210A STEERING LOCK CONDITION SWITCH

SEC-93

< COMPONENT DIAGNOSIS >

[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

>> GO TO 9.

NO

>> GO TO 8.

8.

CHECK STEERING LOCK UNIT CIRCUIT-I

1.

Disconnect BCM harness 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

>> GO TO 11.

NO

>> Repair harness or connector.

9.

CHECK IPDM E/R OUTPUT SIGNAL

1.

Connect IPDM E/R harness connector E5.

2.

Disconnect BCM harness 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 10.

10.

CHECK STEERING LOCK UNIT CIRCUIT-II

1.

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

2.

Check continuity between steering lock unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair harness or connector.

11.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

Steering lock unit

Ground

Voltage [V]

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

Ground

Not existed

Steering lock unit

Ground

Voltage [V]

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

Ground

Not existed

SEC-94

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210A STEERING LOCK CONDITION SWITCH

>> INSPECTION END

 

 

 

 

 

 

 

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