Nissan Altima 2007-2012 Service Manual: B2556 push-button ignition switch

Description

The switch that changes the power supply position. BCM maintains the power supply position status. BCM changes the power supply position with the operation of the push-button ignition switch.

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Start the engine and wait for at least 100 seconds.

2. Check “Self Diagnostic Result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-271, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect push-button ignition switch harness connector.

3. Check voltage between push-button ignition switch harness connector and ground.

Is the inspection result normal? YES >> GO TO 2

NO >> GO TO 4

2.CHECK PUSH-BUTTON IGNITION SWITCH

Refer to SEC-272, "Component Inspection".

Is the inspection result normal? YES >> GO TO 3

NO >> Replace push-button ignition switch. Refer to SEC-410, "Removal and Installation".

3.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> Inspection End.

4.CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT FOR SHORT

1. Disconnect BCM harness connector and IPDM E/R harness connector.

2. Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".

NO >> Repair harness or connector.

Component Inspection

1.CHECK PUSH-BUTTON IGNITION SWITCH

1. Turn ignition switch OFF.

2. Disconnect push-button ignition switch harness connector.

3. Check continuity between push-button ignition switch terminals under the following conditions.

Is the inspection result normal? YES >> Inspection End.

NO >> Replace push-button ignition switch. Refer to SEC-410, "Removal and Installation".

    B2555 stop lamp
    Description BCM detects the stop lamp status and confirms the stop lamp switch ON/OFF status. BCM confirms the engine start condition according to the stop lamp switch ON/OFF status. DTC Logic ...

    B2557 vehicle speed
    Description BCM receives the 2 vehicle speed signals via CAN communication. One signal is transmitted by the “unified meter”. Another signal is transmitted by “ABS actuator and electric uni ...

    Other materials:

    High-pressure flexible hose
    Removal and Installation for High-Pressure Flexible Hose QR25DE Removal 1. Discharge the refrigerant. Refer to HA-32, "HFC-134a (R-134a) Service Procedure". 2. Reposition the power steering reservoir out of the way without disconnecting the hose. 3. Reposition the engine coo ...

    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 steering lock unit back to BCM. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2607 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to ...

    BCM (Body control module)
    Reference Value VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 1: Sedan only 2: With LH front window anti-pinch 3: With LH and RH front window anti-pinch 4: With Intelligent Key 5: Without Intelligent Key Wiring Diagram - ENGIN ...