Nissan Altima L32. Manual - part 1235

SEC-90

< COMPONENT DIAGNOSIS >

[COUPE]

B2607 STEERING LOCK RELAY

YES

>> GO TO 4

NO

>> GO TO 3

3.

CHECK ELECTRONIC STEERING COLUMN LOCK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R harness connector.

3. Check continuity between electronic steering column lock and

IPDM E/R harness connector.

4. Check continuity between electronic steering column lock and

ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-48, "Removal and Installation"

.

NO

>> Repair harness or connector.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

Electronic steering column 

lock

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

A: M32

1

B: E18

11

Yes

Electronic steering column lock

Ground

Continuity

Connector

Terminal

A: M32

1

Ground

No

ALKIA0451ZZ

B2608 STARTER RELAY

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< COMPONENT DIAGNOSIS >

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B2608 STARTER RELAY

Description

INFOID:0000000004206065

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 START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication.

DTC Logic

INFOID:0000000004206066

DTC DETECTION LOGIC

NOTE:

• If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2608 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.

-

Depress the brake pedal.

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

YES

>> Refer to 

SEC-91, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206067

1.

CHECK STARTER RELAY

1. Turn ignition switch ON.

2. Check voltage between BCM harness connector and ground

under the following condition.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2608

STARTER RELAY

BCM receives starter relay ON signal (CAN) from 
IPDM E/R even if BCM turns the starter relay OFF

• Harness or connectors 

(starter relay circuit is open or 
shorted.)

• IPDM  E/R

ALKIA0452ZZ

BCM

Ground

Condition

Voltage (V)

Connector

Terminal

M21

132

Ground

CVT selector lever

N or P position

Battery voltage

Other than above

0

Clutch pedal

Not depressed

0

Depressed

Battery voltage

SEC-92

< COMPONENT DIAGNOSIS >

[COUPE]

B2608 STARTER RELAY

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 harness connector M21 and IPDM E/R harness connector E17.

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

BCM harness connector.

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

ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-48, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> Inspection End.

IPDM E/R

BCM

Continuity

Connector

Terminal

Connector

Terminal

A: E17

46

B: M21

132

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

A: E17

46

Ground

No

ALKIA1318ZZ

B2609 STEERING STATUS

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B2609 STEERING STATUS

Description

INFOID:0000000004206068

There are 2 switches in the electronic steering column lock (steering lock/unlock switch 1 and 2). BCM com-

pares those two switches conditions to judge the present steering status.

DTC Logic

INFOID:0000000004206069

DTC DETECTION LOGIC

NOTE:

• If DTC B2609 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to

SEC-36, "DTC Logic"

.

• If DTC B2609 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

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 position.

-

Do not depress brake pedal

-

Steering is locked

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

YES

>> Refer to 

SEC-93, "Diagnosis Procedure"

.

NO

>> GO TO 2

2.

PERFORM DTC CONFIRMATION PROCEDURE 2

1. Turn ignition switch ON.

2. Turn ignition switch OFF.

3. Press door switch.

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

YES

>> Refer to 

SEC-93, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000004206070

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

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2609

STEERING STATUS

BCM detects the malfunction of electronic steering 
column lock switches for 1 second.

• Harness or connectors

[electronic steering column lock 
circuit (BCM side) is open or short-
ed]

• Harness or connectors

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

• Electronic steering column lock 
• IPDM  E/R