Nissan Altima 2007-2012 Service Manual: 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 to BCM via CAN communication.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2608 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B2608 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. 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-482, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK STARTER RELAY

1. Turn ignition switch ON.

2. Check voltage between BCM harness connector and ground under the following condition.

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.

    B2607 steering lock relay
    Description BCM requests to IPDM E/R to supply power to electronic steering column lock. IPDM E/R sends status of electronic steering column lock back to BCM. DTC Logic DTC DETECTION LOGIC NOT ...

    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. DT ...

    Other materials:

    Checking engine oil level
    QR25DE engine 1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minutes for the oil to drain back into the oil pan. 4. Remove the dipstick and wipe it cle ...

    Vehicle recovery (freeing a stuck vehicle)
    Pulling a stuck vehicle WARNING To avoid vehicle damage, serious personal injury or death when recovering a stuck vehicle: ● Contact a professional towing service to recover the vehicle if you have any questions regarding the recovery procedure. ● Do not use the vehicle tie-down ...

    ASCD Indicator
    Description The ASCD operation status is indicated by two indicators, (CRUISE and SET on the information display) on the combination meter. CRUISE indicator is displayed to indicate that ASCD system is ready for operation when MAIN switch on ASCD steering switch is turned ON. SET indica ...