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Conditions Of Vehicle (Operating Conditions)

WARNING: This page is about a different car, the 2010 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
INTELLIGENT KEYS SYMPTOM CHART

Symptom Diagnosis/service procedure Reference
Ignition switch does not turn on with Intelligent Key. [LCD displays "KEY DETECTED"] 1. Check steering lock solenoid. B2013 STRG COMM 1 
2. Replace Intelligent Key unit. INTELLIGENT KEY UNIT 
Ignition switch does not turn on with Intelligent Key. [LCD does not display "KEY DETECTED"] 1. Check Intelligent Key unit power supply and ground circuit. POWER SUPPLY AND GROUND CIRCUIT
2. Check ignition knob switch. IGNITION KNOB SWITCH
3. Check key switch (BCM input). KEY SWITCH (BCM INPUT)
4. Check key switch (Intelligent Key unit input). KEY SWITCH (INTELLIGENT KEY UNIT INPUT)
5. Replace Intelligent Key unit. INTELLIGENT KEY UNIT 
Ignition switch does not turn on with Intelligent Key. [LCD displays "NO KEY DETECTED"] 1a. Check center console area antenna (rear). CENTER CONSOLE AREA ANTENNA (REAR)
1b. Check luggage area antenna. LUGGAGE AREA ANTENNA
1c. Check center console area antenna (front). CENTER CONSOLE AREA ANTENNA (FRONT)
1d. Check overhead console area antenna. OVERHEAD CONSOLE AREA ANTENNA
2. Replace Intelligent Key unit. INTELLIGENT KEY UNIT 
Ignition switch does not turn on with mechanical key 1. Check key switch (BCM input). KEY SWITCH (BCM INPUT)
2. Check key switch (Intelligent Key unit input). KEY SWITCH (INTELLIGENT KEY UNIT INPUT)
Engine cannot be cranked with transmission in "Park" or in "Neutral" position with brake pedal depressed 1. Check transmission signal. P0705 TRANSMISSION RANGE SWITCH A
2. Check stop lamp switch. STOP LAMP