Nissan Altima L32. Manual - part 1234

SEC-86

< COMPONENT DIAGNOSIS >

[COUPE]

B2605 PNP SWITCH

B2605 PNP SWITCH

Description

INFOID:0000000004206056

BCM confirms the shift position with the following 4 signals.

• AT selector lever

• P/N position switch

• P position signal from IPDM E/R (CAN)

• P position signal from TCM (CAN)

DTC Logic

INFOID:0000000004206057

DTC DETECTION LOGIC

NOTE:

• If DTC B2605 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2605 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "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 seconds.

-

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-86, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206058

1.

CHECK DTC WITH IPDM E/R

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

PCS-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace malfunctioning parts.

2.

CHECK PNP SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect TCM harness connector and BCM harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2605

PNP SWITCH

BCM detects the following status for 500 ms or 
more when the ignition switch is in ON position
• N position input signal exists. Shift position signal 

from IPDM E/R does not exist.

• N position input signal does not exist. Shift posi-

tion signal from IPDM E/R exists.

• Harness or connectors

[The park/neutral position (PNP) 
switch circuit is open or shorted.]

• Park/neutral position (PNP) switch
• IPDM E/R

B2605 PNP SWITCH

SEC-87

< COMPONENT DIAGNOSIS >

[COUPE]

C

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B

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N

O

P

3. Check continuity between TCM connector and BCM harness

connector.

4. Check continuity between TCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

TCM

BCM

Continuity

Connector

Terminal

Connector

Terminal

A:  F16

20

B:  M18

48

Yes

TCM

Ground

Continuity

Connector

Terminal

A: F16

20

Ground

No

ALKIA1317ZZ

SEC-88

< COMPONENT DIAGNOSIS >

[COUPE]

B2606 STEERING LOCK RELAY

B2606 STEERING LOCK RELAY

Description

INFOID:0000000004206059

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:0000000004206060

DTC DETECTION LOGIC

NOTE:

• If DTC B2606 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2606 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch under the following conditions.

-

CVT selector lever is in the P or N position.

-

Do not depress the brake pedal.

2. Steering is locked.

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

YES

>> Refer to 

SEC-88, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206061

1.

CHECK DTC WITH IPDM E/R

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

PCS-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace malfunctioning parts.

2.

INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2606

STEERING LOCK 
RELAY

BCM detects that there is a mismatch between the 
following statuses.
• Steering lock unit ON signal transmitted by IPDM 

E/R

• The steering lock unit status feedback 

• Steering lock relay (in IPDM E/R)

B2607 STEERING LOCK RELAY

SEC-89

< COMPONENT DIAGNOSIS >

[COUPE]

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B2607 STEERING LOCK RELAY

Description

INFOID:0000000004206062

BCM requests to IPDM E/R to supply power to electronic steering column lock. IPDM E/R sends status of

steering lock unit back to BCM.

DTC Logic

INFOID:0000000004206063

DTC DETECTION LOGIC

NOTE:

• If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2607 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to

SEC-37, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Press the push-button ignition switch under the following conditions.

-

CVT selector lever is in the P position

-

Do not depress brake pedal

2. Steering lock is locked.

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

YES

>> Refer to 

SEC-89, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206064

1.

CHECK DTC WITH IPDM E/R

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

PCS-45, "DTC Index"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace malfunctioning parts.

2.

CHECK ELECTRONIC STEERING COLUMN LOCK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect electronic steering column lock harness connector.

3. Check voltage between electronic steering column lock and

ground under the following conditions.

Is the inspection result normal?

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2607

STEERING LOCK 
RELAY

BCM detects that there is a difference between the 
following statuses.
• BCM request for electronic steering column lock 

power supply (ON/OFF)

• IPDM E/R status of electronic steering column lock 

power supply (ON/OFF) 

• Harness or connectors (electronic 

steering column lock power supply 
circuit is open or shorted)

• Steering lock relay (in IPDM E/R)

Electronic steering column 

lock

Ground

Condition

Voltage (V)

Connector

Terminal

M32

1

Ground

Press push-button ignition 
switch when steering lock 
is in lock condition.

Battery voltage

ALKIA0450ZZ