Nissan Altima HL32 Hybrid. Manual - part 990

B2014 CHAIN OF STRG-IMMU

SEC-33

< 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

>> Replace steering lock unit.

NO

>> GO TO 5

5.

CHECK STEERING LOCK UNIT COMMUNICATION CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM harness connector.

3. Check continuity between BCM harness connector M19 (A) ter-

minal 99 and steering lock unit harness connector M32 (B) ter-

minal 2.

4. Check continuity between BCM harness connector M19 (A) ter-

minal 99 and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> Repair harness or connector.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Steering lock unit

Ground

Steering lock unit condition

Value

Connector

Terminal

M32

2

Ground

Lock

Battery voltage

Lock or unlock

For 15 seconds after unlock

Battery voltage

15 seconds or later after unlock.

0 V

Steering is locked

: Opening the door when ignition switch is ON to OFF.

Steering is unlocked

: Ignition switch is OFF to ACC.

JMKIA0066GB

BCM

Steering lock unit

Continuity

Connector

Terminal

connector

Terminal

A: M19

99

B: M32

2

Yes

BCM

Ground

Continuity

Connector

Terminal

A: M19

99

Ground

No

ALKIA0436ZZ

SEC-34

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B2108 STEERING LOCK RELAY

B2108 STEERING LOCK RELAY

Description

INFOID:0000000004216065

The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.

IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.

DTC Logic

INFOID:0000000004216066

DTC DETECTION LOGIC

NOTE:

• If DTC B2108 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B2108 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "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.

-

ECVT selector lever is in the P position

-

Do not depress the brake pedal.

2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?

YES

>> Refer to 

SEC-34, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216067

1.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 40, located in IPDM E/R).
Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-39, "Removal and Installation"

.

NO

>> Check the following.

• Harness for open or short between IPDM E/R and battery

• Fuse

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2108

STRG LCK RELAY 
ON

IPDM E/R detects that the relay is stuck at ON po-
sition for about 1 second even if the IPDM E/R re-
ceives steering lock relay ON/OFF signal from 
BCM.

• IPDM E/R

B2109 STEERING LOCK RELAY

SEC-35

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

B2109 STEERING LOCK RELAY

Description

INFOID:0000000004216068

The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN communication.

IPDM E/R turns the steering lock relay ON and transmits the release of the steering to BCM.

DTC Logic

INFOID:0000000004216069

DTC DETECTION LOGIC

NOTE:

• If DTC B2109 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-28, "DTC Logic"

.

• If DTC B2109 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-29, "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.

-

CVT 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

>> Refer to 

SEC-35, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216070

1.

CHECK POWER SUPPLY CIRCUIT

Check IPDM E/R power supply circuit. Refer to 

PCS-22, "Diagnosis Procedure"

.

Is the circuit normal?

YES

>> GO TO 2

NO

>> Repair the malfunctioning part.

2.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10A fuse (No. 40, located in IPDM E/R).
Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-39, "Removal and Installation"

.

NO

>> Check the following.

• Harness for open or short between IPDM E/R and battery

• Fuse

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2109

STRG LCK RELAY 
OFF

IPDM E/R detects that the relay is stuck at OFF po-
sition for about 1 second even if the IPDM E/R re-
ceives steering lock relay ON/OFF signal from 
BCM.

• Harness or connector (power sup-

ply circuit)

• IPDM  E/R
• Battery

SEC-36

< COMPONENT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

B210A STEERING LOCK CONDITION SWITCH

B210A STEERING LOCK CONDITION SWITCH

Description

INFOID:0000000004216071

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:0000000004216072

DTC DETECTION LOGIC

NOTE:

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

SEC-28, "DTC Logic"

.

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

SEC-29, "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.

-

ECVT 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

>> Refer to 

SEC-36, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004216073

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.

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