Nissan Altima 2007-2012 Service Manual: B2560 starter control relay

Description

Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position and the steering is locked or unlocked. It is installed in parallel with the starter relay.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2560 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B2560 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. Turn ignition switch ON under the following conditions and wait for at least 2 seconds: - CVT selector lever is in the P position.

- Depress the brake pedal.

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

Is DTC detected? YES >> Refer to SEC-466, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK DTC WITH IPDM E/R

Check “Self Diagnostic Result” with CONSULT-III. Refer to PCS-45, "DTC Index".

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

NO >> Repair or replace malfunctioning parts.

2.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> Inspection End.

    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 unit ...

    B2601 shift position
    Description BCM confirms the shift position with the following 2 signals. • CVT selector lever • P position signal from IPDM E/R (CAN) DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26 ...

    Other materials:

    BCM 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 BCM for damage, bend and loose connection (unit side and connector side). Is the inspec ...

    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 ...

    Ignition timing
    Description This describes how to check the ignition timing. For the actual procedure, follow the instructions in “BASIC INSPECTION”. IGNITION TIMING : Special Repair Requirement 1.CHECK IGNITION TIMING 1. Attach timing light to No. 1 igniton coil (1) wire as shown. 2. Check ignitio ...