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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Security Control System) >> Symptom Diagnosis >> Intelligent Key System/Engine Start Function Symptoms >> Symptom Table >> Conditions Of Vehicle (Operating Conditions)
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Conditions Of Vehicle (Operating Conditions)

WARNING: This page is about a different car, the 2008 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
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. STEERING LOCK UNIT
2. Replace Intelligent Key unit. INTELLIGENT KEY UNIT 
Ignition switch does not turn on with Intelligent Key. [LCD does not display "PUSH" with arrow toward key cylinder] 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"] 1a. Check inside key antenna 1 (rear of center console). INSIDE KEY ANTENNA 1 (REAR OF CENTER CONSOLE)
1b. Check inside key antenna 2 (luggage compartment). INSIDE KEY ANTENNA 2 (LUGGAGE COMPARTMENT)
1c. Check inside key antenna 3 (front of center console). INSIDE KEY ANTENNA 3 (FRONT OF CENTER CONSOLE)
1d. Check inside key antenna 4 (overhead console area). POWER SUPPLY AND GROUND CIRCUIT
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. TM-44
2. Check stop lamp switch. EXL-78