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-209, "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 that the system is in the armed phase. ...
Other materials:
Engine oil
Inspection
OIL LEVEL
• Before starting the engine, check the oil level. If the engine is
already started, stop it and allow 10 minutes before checking.
• Check that the oil level is within the range on the dipstick.
• If it is out of range, add oil as necessary. Refer to LU-9, " ...
P0420, P0430 Three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen storage c ...
Starting system
Wiring Diagram - Coupe
Wiring Diagram - Sedan
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