Infiniti FX35, FX50 (S51). Manual - part 1443

PCS-130

< PRECAUTION >

[POWER DISTRIBUTION SYSTEM]

PRECAUTIONS

5.

When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON position, then to LOCK position. (The steering
wheel will lock when the push-button ignition switch is turned to LOCK position.)

6.

Perform self-diagnosis check of all control units using CONSULT-III.

PCS

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

PCS-131

< SYMPTOM DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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SYMPTOM DIAGNOSIS

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

Description

INFOID:0000000005240717

Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check
each symptom.
NOTE:
The engine start function, door lock function, power distribution system and NATS-IVIS/NVIS in the Intelligent
Key system are closely related to each other regarding control. The vehicle security function can operate only
when the door lock and power distribution system are operating normally.

Conditions of Vehicle (Operating Conditions)

• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT-III.
• Intelligent Key is not inserted in key slot.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.

Diagnosis Procedure

INFOID:0000000005240718

1.

CHECK DOOR LOCK FUNCTION

Lock/unlock door with door request switch.
Refer to 

DLK-19, "DOOR LOCK FUNCTION : System Description"

.

Is the operation normal?

YES

>> GO TO 2.

NO

>> Check door lock function. Refer to 

DLK-197, "DRIVER SIDE : Diagnosis Procedure"

.

2.

PERFORM WORK SUPPORT

Perform “INSIDE ANT DIAGNOSIS” on “Work Support” of “INTELIGENT KEY”.
Refer to 

SEC-25, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

>> GO TO 3.

3.

PERFORM SELF DIAGNOSTIC RESULT

Perform Self Diagnostic result of “INTELIGENT KEY”.
Refer to 

SEC-25, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

Is DTC detected?

YES

>> Refer to 

DLK-61, "DTC Logic"

 (instrument center), refer to 

DLK-63, "DTC Logic"

 (console), refer

to 

DLK-65, "DTC Logic"

 (luggage room). 

NO

>> GO TO 4.

4.

CHECK PUSH-BUTTON IGNITION SWITCH

Check push-button ignition switch.
Refer to 

PCS-64, "Component Function Check"

.

Is the inspection normal?

YES

>> GO TO 5.

NO

>> Repair or replace malfunctioning parts.

5.

CONFIRM THE OPERATION

Confirm the operation again.

Is the inspection normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> GO TO 1.

PCS-132

< SYMPTOM DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT ILLUMI-

NATE

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT IL-
LUMINATE

Diagnosis Procedure

INFOID:0000000005240719

1.

CHECK PUSH-BUTTON IGNITION SWITCH OPERATION

Check push-button ignition switch operation.
Refer to 

PCS-39, "System Description"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refer to 

PCS-64, "Component Function Check"

.

2.

CHECK PUSH-BUTTON IGNITION SWITCH INDICATOR

Check push-button ignition switch indicator.
Refer to 

PCS-67, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CONFIRM THE OPERATION

Confirm the operation again.

Is the result normal?

YES

>> Check intermittent incident. Refer to 

GI-36, "Intermittent Incident"

.

NO

>> GO TO 1.

PCS

PUSH BUTTON IGNITION SWITCH

PCS-133

< REMOVAL AND INSTALLATION >

[POWER DISTRIBUTION SYSTEM]

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REMOVAL AND INSTALLATION

PUSH BUTTON IGNITION SWITCH

Removal and Installation

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REMOVAL

Remove the push-button ignition switch fixing pawl using a remover
tool (A), and then remove push-button ignition switch (1).

INSTALLATION

Install in the reverse order of removal.

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