Index Infiniti Infiniti EX35 - service repair manual 2008 year

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Infiniti EX35. Manual - part 1277

SEC-4

INTELLIGENT KEY SYSTEM/ENGINE
START FUNCTION ..........................................

Wiring Diagram - INTELLIGENT KEY SYSTEM/
ENGINE START FUNCTION - ..............................

INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS ................................................................

Wiring Diagram - IVIS - ..........................................

VEHICLE SECURITY SYSTEM .......................

Wiring Diagram - VEHICLE SECURITY SYSTEM
- .............................................................................

ECU DIAGNOSIS .......................................

BCM (BODY CONTROL MODULE) ................

Reference Value ....................................................

Wiring Diagram - BCM - ........................................

Fail-safe .................................................................

DTC Inspection Priority Chart .............................

DTC Index .............................................................

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ...............

Reference Value ....................................................

Wiring Diagram - IPDM E/R - .................................

Fail-safe .................................................................

DTC Index .............................................................

SYMPTOM DIAGNOSIS ............................

SECURITY CONTROL SYSTEM .....................

Symptom Table .....................................................

ENGINE DOES NOT START WITH INTELLI-
GENT KEY .......................................................

Description .............................................................

Diagnosis Procedure .............................................

STEERING DOES NOT LOCK ........................

Description .............................................................

Diagnosis Procedure .............................................

ENGINE DOES NOT START WHEN INTELLI-
GENT KEY IS INSERTED INTO KEY SLOT ...

Description .............................................................

Diagnosis Procedure .............................................

SECURITY INDICATOR DOES NOT TURN
ON ....................................................................

Description .............................................................

Diagnosis Procedure .............................................

VEHICLE SECURITY SYSTEM CAN NOT BE
SET ..................................................................

INTELLIGENT KEY .................................................

INTELLIGENT KEY : Description ..........................

INTELLIGENT KEY : Diagnosis Procedure ..........

DOOR REQUEST SWITCH .....................................

DOOR REQUEST SWITCH : Description .............

DOOR REQUEST SWITCH : Diagnosis Proce-
dure .......................................................................

DOOR KEY CYLINDER ..........................................

DOOR KEY CYLINDER : Description ...................

DOOR KEY CYLINDER : Diagnosis Procedure ...

VEHICLE SECURITY ALARM DOES NOT
ACTIVATE ........................................................

Description ............................................................

Diagnosis Procedure .............................................

VEHICLE SECURITY SYSTEM CAN NOT
CANCELED ......................................................

INTELLIGENT KEY .................................................

INTELLIGENT KEY : Description ..........................

INTELLIGENT KEY : Diagnosis Procedure ..........

DOOR REQUEST SWITCH .....................................

DOOR REQUEST SWITCH : Description .............

DOOR REQUEST SWITCH : Diagnosis Proce-
dure .......................................................................

DOOR KEY CYLINDER ..........................................

DOOR KEY CYLINDER : Description ...................

DOOR KEY CYLINDER : Diagnosis Procedure ...

KEY SLOT INDICATOR DOES NOT ILLUMI-
NATE ................................................................

Description ............................................................

Diagnosis Procedure .............................................

PRECAUTION ...........................................

PRECAUTIONS ................................................

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................

Precaution for Procedure without Cowl Top Cover .

Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .................................

ON-VEHICLE REPAIR ..............................

KEY SLOT ........................................................

Exploded View ......................................................

Removal and Installation .......................................

PUSH BUTTON IGNITION SWITCH ................

Removal and Installation .......................................

DIAGNOSIS AND REPAIR WORKFLOW

SEC-5

< BASIC INSPECTION >

[INTELLIGENT KEY SYSTEM]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000003586659

OVERALL SEQUENCE

DETAILED FLOW

JMKIA0676GB

SEC-6

< BASIC INSPECTION >

[INTELLIGENT KEY SYSTEM]

DIAGNOSIS AND REPAIR WORKFLOW

1.

GET INFORMATION FOR SYMPTOM

Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).

>> GO TO 2.

2.

CHECK DTC

1.

Check DTC for BCM and IPDM E/R.

2.

Perform the following procedure if DTC is detected.

-

Record DTC and freeze frame data (Print them out with CONSULT-III.)

-

Erase DTC.

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

3.

Check related service bulletins for information.

Is any symptom described and any DTC detected?

Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR ” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC Confirmation Procedure for the detected DTC, and then check that DTC is detected again.
At this time, always connect CONSULT-III to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to

SEC-173, "DTC Inspection Priority Chart"

, and determine trouble

diagnosis order.
NOTE:
Perform Component Function Check if DTC Confirmation Procedure is not included in Service Manual. This
simplified check procedure is an effective alternative though DTC cannot be detected during this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC Confirmation
Procedure.
Is DTC detected?

YES

>> GO TO 7.

NO

GI-38, "Intermittent Incident"

.

6.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE

Detect malfunctioning system according to

SEC-190, "Symptom Table"

based on the confirmed symptom in

step 4, and determine the trouble diagnosis order based on possible causes and symptom.

>> GO TO 7.

7.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.

DIAGNOSIS AND REPAIR WORKFLOW

SEC-7

< BASIC INSPECTION >

[INTELLIGENT KEY SYSTEM]

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Is malfunctioning part detected?

YES

>> GO TO 8.

NO

>> Check voltage of related BCM terminals using CONSULT-III.

8.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1.

Repair or replace the malfunctioning part.

2.

Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.

3.

Check DTC. If DTC is detected, erase it.

>> GO TO 9.

9.

FINAL CHECK

When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction has been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.

Does the symptom reappear?

YES (DTC is detected)>>GO TO 7.
YES (Symptom remains)>>GO TO 6.
NO

>> INSPECTION END

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