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:
P0116 ect sensor
Description
The engine coolant temperature sensor is used to detect the engine
coolant temperature. The sensor modifies a voltage signal from the
ECM. The modified signal returns to the ECM as the engine coolant
temperature input. The sensor uses a thermistor which is sensitive to
the change i ...
FM/AM/SAT radio with compact disc (CD) player (Type C) (if so equipped)
1. CD eject button
2. XM button*
3. Display screen
4. CD insert slot
5. SEEK button
6. SCAN button
7. CAT button
8. BACK button
9. APPS button
10.TUNE/SCROLL knob, ENTER/SETTING
button
11.Station select (1 - 6) buttons
12.RDM button
13.RPT button
14.VOL (volume) knob / button
1 ...
P1800 Vias control solenoid valve 1
Description
The VIAS control solenoid valve 1 cuts the intake manifold vacuum signal for
power valve 1 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger
...