Nissan Qashqai (2007-2010). Manual - part 1118

INTELLIGENT KEY BATTERY

DLK-551

< ON-VEHICLE REPAIR >

[WITH I-KEY & SUPER LOCK]

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INTELLIGENT KEY BATTERY

Exploded View

INFOID:0000000001109246

Refer to 

DLK-281, "Removal and Installation"

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Removal and Installation

INFOID:0000000001109247

REMOVAL

1.

Remove Intelligent Key cover.

2.

Insert a flat-bladed screwdriver (A) wrapped with tape as shown
in the illustration and then separate lower and upper cases by
twisting screwdriver.

CAUTION:

• Do not touch the circuit board or battery terminal.
• The Intelligent Key is water-resistant. However, if it does

get wet, immediately wipe it dry. 

3.

Remove the circuit board assembly from the upper case (1).
[Substrate assembly: circuit board (3) + rubber (2)]

4.

Gently press the rubber (2) and remove the circuit board (3).

CAUTION:

Do not touch the printed circuits directly.

5.

Remove the battery (4) from the lower case (5) and replace it.

CAUTION:

When replacing battery, keep dirt, grease, and other foreign
materials off the electrode contact area.

6.

After replacement, assemble the upper and lower cases by
engaging the hooks on their circumference while being careful
not to pinch the rubber, etc.

CAUTION:

After replacing the battery, check that all Intelligent Key
functions work normally.
Refer to 

DLK-134, "Component Function Check"

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INSTALLATION

Install in the reverse order of removal.

MIIB0661E

Battery replacement

: Coin-type lithium battery 
(CR2032)

MIIB0662E

DLK-552

< ON-VEHICLE REPAIR >

[WITH I-KEY & SUPER LOCK]

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT

Exploded View

INFOID:0000000001116437

Refer to 

DLK-551, "Removal and Installation"

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Removal and Installation

INFOID:0000000001116438

REMOVAL

1.

Remove lower instrument panel (driver side) and mirror switch finisher. Refer to 

IP-11, "Exploded View"

and 

IP-12, "Removal and Installation"

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2.

Remove the Intelligent Key unit mounting screw (A), and then
remove Intelligent Key unit (1).
NOTE:
Perform the system initialization when replacing Intelligent Key
unit. Refer to 

DLK-23, "ADDITIONAL SERVICE WHEN

REPLACING CONTROL UNIT : Special Repair Requirement"

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INSTALLATION

Install in the reverse order of removal.

JMKIA0538ZZ

1.

Intelligent Key unit
M40

JMKIA0539ZZ

DIAGNOSIS AND REPAIR WORKFLOW

DLK-553

< BASIC INSPECTION >

[WITHOUT I-KEY & SUPER LOCK]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000001102242

OVERALL SEQUENCE

DETAILED FLOW

JMKIA0101GB

DLK-554

< BASIC INSPECTION >

[WITHOUT I-KEY & SUPER LOCK]

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.

2.

Perform the following procedure if DTC is displayed.

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Erase DTC.

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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 displayed>>GO TO 3.
Symptom is described, DTC is not displayed>>GO TO 4.
Symptom is not described, DTC is displayed>>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 displayed DTC, and then check that DTC is detected again.
If two or more DTCs are detected, refer to 

DLK-643, "DTC Inspection Priority Chart"

 and determine trouble

diagnosis order.

Is DTC detected?

YES

>> GO TO 8.

NO

>> Refer to 

GI-39, "Intermittent Incident"

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6.

PERFORM BASIC INSPECTION

Perform Basic Inspection, refer to 

DLK-660, "Basic Inspection"

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Inspection End>>GO TO 7.

7.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM TABLE

Detect malfunctioning system according to Symptom Table based on the confirmed symptom in step 4.

>> GO TO 8.

8.

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.

>> GO TO 9.