Infiniti QX56 (JA60). Manual — part 233

REMOTE KEYLESS ENTRY RECEIVER

DLK-103

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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REMOTE KEYLESS ENTRY RECEIVER

Description

INFOID:0000000005146972

Receives Intelligent Key operation and transmits to Intelligent Key unit.

Component Function Check

INFOID:0000000005146973

1.

CHECK FUNCTION

With CONSULT-III

Check remote keyless entry receiver "RKE OPE COUN1" in Data Monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Remote keyless entry receiver is OK.

NO

>> Refer to

DLK-103, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146974

Regarding Wiring Diagram information, refer to

DLK-178, "Wiring Diagram — INTELLIGENT KEY SYSTEM —

"

.

1.

CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL

1. Turn ignition switch OFF.

2. Check remote keyless entry receiver signal with an oscilloscope.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> GO TO 5

2.

REMOTE KEYLESS ENTRY RECEIVER VOLTAGE CIRCUIT INSPECTION

Monitor item

Condition

RKE OPE COUN1

Checks whether value changes when operating Intelligent Key.

Terminals

Keyfob

condition

Signal

(Reference value)

(+)

(–)

Remote

keyless

entry re-

ceiver

connector

Terminal

M25

2

Ground

No function

Any button
is pressed

ALKIA0653ZZ

OCC3879D

OCC3880D

DLK-104

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

REMOTE KEYLESS ENTRY RECEIVER

Check voltage between remote keyless entry receiver connector M25 terminal 3 and ground using an oscillo-

scope.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 5

3.

REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION

Check voltage between remote keyless entry receiver connector

M25 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 5

4.

REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION

Check continuity between remote keyless entry receiver connector

M25 terminal 1 and ground.

Is the inspection result normal?

YES

>> Replace remote keyless entry receiver. Refer to

SEC-

120, "Removal and Installation"

.

NO

>> GO TO 5

5.

HARNESS INSPECTION BETWEEN INTELLIGENT KEY UNIT AND RKE RECEIVER

1. Disconnect remote keyless entry receiver and Intelligent Key unit connectors.

Terminals

Signal

(Reference value)

(+)

(–)

Remote keyless

entry receiver

connector

Terminal

M25

3

Ground

ALKIA0654ZZ

PIIA2344E

4 - Ground

: Approx. 5 volt.

ALKIA0655ZZ

1 - Ground

: Continuity should exist.

ALKIA0656ZZ

REMOTE KEYLESS ENTRY RECEIVER

DLK-105

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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2. Check continuity between Intelligent Key unit connector (A) M70

terminals 8, 9, 21, 30 and remote keyless entry receiver connec-

tor (B) M25 terminals 1, 2, 3, 4.

3. Check continuity between remote keyless entry receiver con-

nector (B) M25 terminals 1, 2, 3, 4 and ground.

Is the inspection result normal?

YES

>> Remote keyless entry receiver circuits are OK.

NO

>> Repair or replace the harness between the remote keyless entry receiver and Intelligent Key unit.

1 - 8

: Continuity should exist.

2 - 9

: Continuity should exist.

3 - 21

: Continuity should exist.

4 - 30

: Continuity should exist.

1 - Ground

: Continuity should not exist.

2 - Ground

: Continuity should not exist.

3 - Ground

: Continuity should not exist.

4 - Ground

: Continuity should not exist.

ALKIA0657ZZ

DLK-106

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY BATTERY AND FUNCTION

INTELLIGENT KEY BATTERY AND FUNCTION

Description

INFOID:0000000005146975

The following functions are available when having and carrying electronic ID.

• Door lock/unlock

• Back door open

Remote control entry function and panic alarm function are available when operating the remote buttons.

Component Function Check

INFOID:0000000005146976

1.

CHECK FUNCTION

With CONSULT-III

Check remote keyless entry receiver "RKE OPE COUN1" in DATA MONITOR mode with CONSULT-III.

Is the inspection result normal?

YES

>> Intelligent Key is OK.

NO

>> Refer to

DLK-106, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146977

1.

CHECK INTELLIGENT KEY FUNCTION

Check keyfob function using Remote Keyless Entry Tester J-43241.
Does the test pass?

YES

>> Intelligent Key is OK.

NO

>> GO TO 2

2.

CHECK INTELLIGENT KEY COMPONENTS

1. Release the lock knob at the back of the Intelligent Key and remove the mechanical key.

2. Insert a flat-blade screwdriver (A) wrapped with a cloth into the

slit of the corner and twist it to separate the upper part from the

lower part.

CAUTION:

• Do not touch the circuit board or battery terminal.

• The keyfob is water-resistant. However, if it does get wet,

immediately wipe it dry.

3. Remove the Intelligent Key battery.

CAUTION:

• Keep dirt, grease, and other foreign materials off the elec-

trode contact area.

4. Visually inspect keyfob internal components.
Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning parts.

3.

CHECK INTELLIGENT KEY BATTERY

Monitor item

Condition

RKE OPE COUN1

Check that the numerical value is changing while operating the Intelligent Key.

LEL946A

PIIB6221E