Nissan Altima 2007-2012 Service Manual: B2609 steering status

Description

There are 2 switches in the electronic steering column lock (steering lock/unlock switch 1 and 2). BCM compares those two switches conditions to judge the present steering status.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2609 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B2609 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-434, "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-484, "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-484, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

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 electronic steering column lock harness connector and IPDM E/R harness connector.

3. Check voltage between electronic steering column lock harness connector and ground.

Is the inspection result normal? YES >> GO TO 4

NO >> GO TO 3

3.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I

1. Disconnect BCM harness connector.

2. Check continuity between BCM harness connector M19 (A) terminal 85 and electronic steering column lock harness connector M32 (B) terminal 3.

3. Check continuity between BCM harness connector M19 (A) terminal 85 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.

2. Disconnect BCM harness connector.

3. Check voltage between electronic steering column lock harness connector and ground.

Is the inspection result normal? YES >> Replace electronic steering column lock.

NO >> GO TO 5

5.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II

1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 and IPDM E/R harness connector E18 (B) terminal 32.

2. Check continuity between electronic steering column lock harness connector M32 (A) terminal 3 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.

7.CHECK BCM OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect electronic steering column lock harness connector and IPDM E/R harness connector E5.

3. Check voltage between electronic steering column lock harness connector and ground.

Is the inspection result normal? YES >> GO TO 9

NO >> GO TO 8

8.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-I

1. Disconnect BCM harness connector M19.

2. Check continuity between BCM harness connector M19 (A) terminal 86 and electronic steering column lock harness connector M32 (B) terminal 8.

3. Check continuity between BCM harness connector M19 (A) terminal 86 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.

2. Disconnect BCM harness connector M19.

3. Check voltage between electronic steering column lock harness connector and ground.

Is the inspection result normal? YES >> Replace electronic steering column lock.

NO >> GO TO 10

10.CHECK ELECTRONIC STEERING COLUMN LOCK CIRCUIT-II

1. Check continuity between electronic steering column lock harness connector M32 (A) terminal 8 and IPDM E/R harness connector E18 (B) terminal 33.

2. Check continuity between electronic steering column lock 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-42, "Intermittent Incident".

>> Inspection End.

    B2608 starter relay
    Description 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 ...

    B260B steering lock unit
    Description The electronic steering column lock performs the check by itself according to the steering status. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRM ...

    Other materials:

    Camshaft
    Removal and Installation 1. Camshaft bracket (No.1) 2. Washer 3. Front cover (partial view) 4. Chain guide 5. Chain tensioner 6. O-ring(s) 7. Chain tensioner spring 8. Chain tensioner plunger 9. IVT control solenoid valve 10. IVT control cover 11. Camshaft sprocket (EXH) 12. Camshaft ...

    M&A branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the combination meter for damage, bend and loose connection (unit side and connector side). ...

    P2118 throttle control motor
    Description The throttle control motor is operated by the ECM and it opens and closes the throttle valve. The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttl ...