Nissan Altima 2007-2012 Service Manual: Vehicle security system symptoms
Symptom Table
*: Check that the system is in the armed phase.
Engine start function symptoms
Symptom Table Engine cannot be started with all keyfobs. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-411, "Work Flow"”. Determine malfunctioning condition b ...Nissan vehicle immobilizer systemnats symptoms
Symptom Table Security indicator does not turn ON or flash. CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-411, "Work Flow"”. Determine malfunctioning conditio ...Other materials:
Trouble diagnosis
Condition of Error Detection
“U1000” or “U1001” is indicated on SELF-DIAG RESULTS on CONSULT-III if CAN
communication signal is
not transmitted or received between units for 2 seconds or more.
CAN COMMUNICATION SYSTEM ERROR
• CAN communication line open (CAN-H, CAN-L, or both)
• ...
B2108 steering lock relay
Description
The steering lock relay ON signal is transmitted to IPDM E/R by BCM via CAN
communication.
IPDM E/R turns the steering lock relay ON and transmits the release of the
steering to BCM.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2108 is displayed with DTC U1000, first perf ...
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 ...