Nissan Altima 2007-2012 Service Manual: Nissan vehicle immobilizer systemnats symptoms
Symptom Table
Security indicator does not turn ON or flash.
CAUTION: • Follow Trouble Diagnosis Flowchart referring to “SEC-10, "Work Flow"”. Determine malfunctioning condition before performing this diagnosis.
• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis.
• Check systems shown in the “Action” column in this order.
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)
• Intelligent Key is not inserted into key slot.
• Engine switch is not depressed.
Vehicle security system symptoms
Symptom Table *: Check the system is in the armed phase. ...Other materials:
B210B starter control relay
Description
Starter control relay, integrated in IPDM E/R, permits the starter relay
operation when in N or P position and
the steering is locked or unlocked. It is installed in parallel with the starter
relay.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B210B is displayed with DTC U10 ...
CD changer
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the CD changer are not blown.
Are the fuses OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between CD changer harness con ...
B2192, P1611 ID discord, immu-ecm
Description
BCM performs the ID verification with ECM that allows the engine to start.
Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...