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-72, "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-73, "Component Inspection".
Is the inspection result normal? YES >> GO TO 3
NO >> Replace push-button ignition switch. Refer to SEC-208, "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-208, "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. 1 signal is
transmitted by the “unified
meter” Another signal is transmitted by “ABS actuator and electric unit ( ...
Other materials:
Steering wheel
Inspection
INSTALLATION CONDITION
• Check installation conditions of steering gear assembly, front suspension
assembly, axle and steering column
assembly.
• Check if movement exists when steering wheel is moved up and down, to the left
and right and to the axial
direction.
Steering w ...
P0452 Evap control system pressure sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously condu ...
TCM 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 following terminals and connectors for damage, bend and loose
connection (unit side and connector
side).
- TCM
- Harnes ...