Nissan Altima 2007-2012 Service Manual: Diagnosis system (BCM)
COMMON ITEM
Diagnosis Description
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE: It can perform the diagnosis modes except the following for all sub system selection items.
CONSULT-III Function
ECU IDENTIFICATION
Displays the BCM part No.
SELF-DIAG RESULT
Refer to BCS-91, "DTC Index".
INTELLIGENT KEY
CONSULT-III Function (BCM - INTELLIGENT KEY)
WORK SUPPORT
SELF-DIAG RESULT
Refer to BCS-91, "DTC Index".
DATA MONITOR
ACTIVE TEST
THEFT ALM
CONSULT-III Function (BCM - THEFT ALM)
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
IMMU
CONSULT-III Function (BCM - IMMU)
DATA MONITOR
ACTIVE TEST
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
†...
Other materials:
P0643 Sensor power supply
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn
ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Before performing the following proced ...
Normal operating condition
Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the engine speed is above 1,800 rpm under no load (for example, the
selector lever position is neutral and
engine speed is over 1,800 rpm) fuel will be cut off after some time. The exact
time when the fuel is cut off varies
b ...
Push-Button Ignition Switch
WARNING
Do not operate the push-button ignition
switch while driving the vehicle except in
an emergency. (The engine will stop when
the ignition switch is pushed 3 consecutive
times in quick succession or the ignition
switch is pushed and held for more
than 2 seconds.) If the engine stops whi ...