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-235, "DTC Logic".
• If DTC B2560 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-236, "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-274, "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 uni ...
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 B260 ...
Other materials:
Service information for electrical
incident
Work Flow
Control Units and Electrical Parts
PRECAUTIONS
• Never reverse polarity of battery terminals.
• Install only parts specified for a vehicle.
• Before replacing the control unit, check the input and output and functions of
the component parts.
• Do not apply excessi ...
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
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Depress ...
P0144 HO2S3
Description
The heated oxygen sensor 3, after HC adsorption catalyst (Under
floor), monitors the oxygen level in the exhaust gas on each bank.
This sensor is made of ceramic zirconia. The zirconia generates voltage
from approximately 1V in richer conditions to 0V in leaner conditions.
Unde ...