Nissan Altima 2007-2012 Service Manual: B2612 steering status

Description

There are 2 switches in the electronic steering column lock. 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

DTC DETECTION LOGIC

NOTE: • If DTC B2612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B2612 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 or N position.

- Do not depress brake pedal.

- Steering is locked.

2. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-492, "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-492, "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.

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.

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.

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.

    B260F engine status
    Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B260F is displayed with DTC U1000, first perform the trouble diag ...

    B2617 starter relay circuit
    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 ...

    Other materials:

    U1000 can comm circuit
    Description Refer to LAN-7, "System Description". DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. PERFORM SELF DIAGNOSTIC 1. Turn ignition switch ON and wait for 2 second or more. 2. Check “SELF- DIAG RESULTS”. Is “CAN COMM CIRCUIT” displayed? YES >> Ref ...

    Aluminum alloy wheels (if so equipped)
    Wash the wheels regularly with a sponge dampened in a mild soap solution, especially during winter months in areas where road salt is used. If not removed, road salt can discolor the wheels. CAUTION Follow the directions below to avoid staining or discoloring the wheels: ● Do not use a ...

    Diagnosis system (BCM)
    COMMON ITEM Diagnosis Description BCM CONSULT-III FUNCTION CONSULT-III performs the following functions via CAN communication with BCM. SYSTEM APPLICATION BCM can perform the following functions for each system. NOTE: It can perform the diagnosis modes except the following for all sub s ...