Infiniti G35 (V35) Sedan. Manual - part 1212

 

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Infiniti G35 (V35) Sedan. Manual - part 1212

 

 

INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

SEC-203

< SYMPTOM DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS SYMPTOMS

Symptom Table

INFOID:0000000000961499

Security indicator does not turn ON or flash.

CAUTION:

• Follow Trouble Diagnosis Flowchart referring to 

SEC-5, "Work Flow"

. Determine malfunctioning

condition before performing this diagnosis.

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagno-

sis.

• 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.

Action

Reference page

1. Check vehicle security indicator

SEC-120

2. Check Intermittent Incident

GI-39

SEC-204

< ON-VEHICLE MAINTENANCE >

[INTELLIGENT KEY SYSTEM]

PRE-INSPECTION FOR DIAGNOSTIC

ON-VEHICLE MAINTENANCE

PRE-INSPECTION FOR DIAGNOSTIC

Basic Inspection

INFOID:0000000000961500

The engine start function, door lock function, power distribution system and NATS-IVIS/NMS in the Intelligent
Key system are closely related to each other regarding control. Narrow down the functional area in question
by performing basic inspection to identify which function is malfunctioning. The vehicle security function can
operate only when the door lock and power distribution system are operating normally. Therefore, it is easy to
identify any factor unique to the vehicle security system by performing the vehicle security operation check
after basic inspection.

1.

CHECK DOOR LOCK OPERATION

1.

Check the door lock for normal operation with the Intelligent Key controller and door request switch.
Successful door lock operation with the Intelligent Key and request SW indicates that the remote keyless
entry receiver and inside key antenna required for engine start are functioning normally.
Identify the malfunctioning point by referring to the DLK section if the door cannot be unlocked.

Can the door be locked with the Intelligent Key and door request switch?

YES

>> GO TO 2.

NO

>> Refer to 

DLK-167, "Symptom Table"

.

2.

CHECK ENGINE STARTING

1.

Checks that the engine starts when operating the Intelligent Key inserted into the key slot.

Does the engine start?

YES

>> GO TO 3.

NO

>> Refer to 

SEC-201, "Symptom Table"

.

3.

CHECK STEERING LOCKING

1.

Does the steering lock when operating door switch after switching the power supply from ON position (or
ACC position) to LOCK position?
If door switch is malfunctioning, BCM cannot lock the steering. If BCM does not detect DTC, steering lock
unit is normal.

Does steering lock?

YES

>> GO TO 4.

NO

>> Refer to 

DLK-65, "Component Function Check"

.

4.

CHECK POWER SUPPLY INDICATOR SWITCHING

1.

Press push-button ignition switch and position indicator will switch from LOCK, ACC to ON gradually
when steering is locked. Checks that the position indicator is illuminated at different positions of the circuit.

Is each position indicator illuminating?

YES

>> GO TO 5.

NO

>> Refer to 

PCS-68, "Component Function Check"

.

5.

CHECK VEHICLE SECURITY SYSTEM

1.

Check the vehicle security system for normal operation.
The vehicle security function can operate only when the door lock and power distribution functions are
operating normally. 
Therefore, it is easy to identify any factor unique to the vehicle security by performing the vehicle security
operation check after this basic inspection.

>> Go to 

SEC-204, "Vehicle Security Operation Check"

.

Vehicle Security Operation Check

INFOID:0000000000961501

1.

INSPECTION START

Turn ignition switch “OFF” and pull out Intelligent Key from key slot.
NOTE:

PRE-INSPECTION FOR DIAGNOSTIC

SEC-205

< ON-VEHICLE MAINTENANCE >

[INTELLIGENT KEY SYSTEM]

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Before starting operation check, open front windows.

>> GO TO 2.

2.

CHECK SECURITY INDICATOR LAMP

1.

Lock doors using Intelligent Key or mechanical key.

2.

Check that security indicator lamp illuminates for 30 seconds.

Security indicator lamp should illuminate.

OK

>> GO TO 3.

NG

>> Perform diagnosis and repair. Refer to 

SEC-120, "Component Function Check"

.

3.

CHECK ALARM FUNCTION

1.

After 30 seconds, security indicator lamp will start to blink.

2.

Open any door or hood before unlocking with Intelligent Key or mechanical key, or open trunk lid without
Intelligent Key or mechanical key.

Do alarm function properly.

OK

>> GO TO 4.

NG

>>

Check the following.

• The vehicle security system does not phase in alarm mode. Refer to 

SEC-202, "Symptom

Table"

.

• Alarm (horn, headlamp and hazard lamp) do not operate. Refer to 

SEC-202, "Symptom Table"

.

4.

CHECK ALARM CANCEL OPERATION

Unlock any door or open trunk lid using Intelligent Key or mechanical key.

Alarm (horn, headlamp and hazard lamp) should stop.

OK

>> INSPECTION END.

NG

>> Check door lock function. Refer to 

DLK-18, "INTELLIGENT KEY : System Description"

.

SEC-206

< ON-VEHICLE REPAIR >

[INTELLIGENT KEY SYSTEM]

KEY SLOT

ON-VEHICLE REPAIR

KEY SLOT

Exploded View

INFOID:0000000000961502

Refer to 

IP-11, "Exploded View"

.

Removal and Installation

INFOID:0000000000961503

REMOVAL

1.

Remove the instrument driver lower panel (2). Refer to 

IP-12, "Removal and Installation"

.

2.

Disconnect key slot connector.

3.

Remove the key slot mounting screw (A), and then remove key
slot (1) from instrument driver lower panel (2).

INSTALLATION

Install in the reverse order of removal.

JMKIA0146ZZ

 

 

 

 

 

 

 

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