Nissan Altima 2007-2012 Service Manual: B2190, P1610 nats antenna AMP
Description
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered ID of Intelligent Key is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Insert Intelligent Key into the key slot.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-64, "Diagnosis Procedure".
NO >> GO TO 2
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Press the push-button ignition switch.
2. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-64, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. INSPECTION START
Check the case in which DTC is detected.
• Case1: It is detected when Intelligent Key is inserted into key slot.
• Case2: It is detected after Intelligent Key is inserted into key slot and push-button ignition switch is pressed.
In which case is DTC detected? Case1. >> GO TO 2
Case2. >> GO TO 4
2.CHECK KEY SLOT INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.
3. Check voltage between key slot harness connector and ground.
Is the inspection result normal? YES >> Replace key slot. Refer to SEC-207, "Removal and Installation".
NO >> GO TO 3
3.CHECK KEY SLOT CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between key slot harness connector M40 (A) terminal 2 and BCM harness connector M19 (B) terminal 68.
3. Check continuity between key slot harness connector M40 (A) terminal 2 and ground.
Is the inspection result normal? YES >> GO TO 8
NO >> Repair harness or connector.
4.CHECK PUSH-IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn to ON? YES >> GO TO 5
NO >> GO TO 7
5.CHECK KEY SLOT COMMUNICATION SIGNAL
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.
3. Check voltage between key slot harness connector and ground.
Is the inspection result normal? YES >> Replace key slot. Refer to SEC-207, "Removal and Installation".
NO >> GO TO 6
6.CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between key slot harness connector M40 (A) terminal 3 and BCM harness connector M19 (B) terminal 69.
3. Check continuity between key slot harness connector M40 (A) terminal 3 and ground.
Is the inspection result normal? YES >> GO TO 8
NO >> Repair harness or connector.
7.CHECK KEY SLOT GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect key slot harness connector.
3. Check continuity between key slot harness connector and ground.
Is the inspection result normal? YES >> GO TO 8
NO >> Repair harness or connector.
8.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B2110 PNP/clutch interlock switch
Description IPDM E/R confirms the shift position with the following signals. • Park/neutral position (PNP) switch (CVT models) • Clutch inter lock switch (M/T models) • Shift position sign ...B2191, P1615 difference of key
Description Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed. Prohibits the release of steering lock or start of engine when an unregistered ...Other materials:
Vehicle security system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
OPERATION FLOW
SETTING THE VEHICLE SECURITY SYSTEM
Initial Condition
• Ignition switch is in OFF position.
Disarmed Phase
• When doors or trunk is open, the vehicle security system is set in the
disarmed phase on the a ...
Key cylinder switch
Description
For vehicles equipped with LH and RH anti-pinch system, the main power window
and door lock/unlock switch
detects condition of the door key cylinder switch and transmits to BCM as the
LOCK or UNLOCK signal.
For vehicles equipped with LH anti-pinch system only, the door lock ass ...
P0550 PSP Sensor
Description
Power steering pressure (PSP) sensor is installed to the power steering
high-pressure tube and detects a
power steering load.
This sensor is a potentiometer which transforms the power steering load into
output voltage, and emits the
voltage signal to the ECM. The ECM controls t ...