Infiniti QX56 (JA60). Manual - part 243

INTELLIGENT KEY UNIT POWER BACK DOOR OUTPUT SIGNAL

DLK-143

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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INTELLIGENT KEY UNIT POWER BACK DOOR OUTPUT SIGNAL

Description

INFOID:0000000005147012

The keyfob of the Intelligent Key unit is capable of opening and closing the power back door. The driver can

open or close the liftgate by pressing the liftgate button regardless whether the vehicle is locked provided the

keyfob is within operating range.

Diagnosis Procedure

INFOID:0000000005147013

Regarding Wiring Diagram information, refer to 

DLK-199, "Wiring Diagram—AUTOMATIC BACK DOOR SYS-

TEM—"

.

1.

POWER LIFTGATE SWITCH FUNCTION INSPECTION

Check power liftgate switch using switch operation.
Did the back door respond correctly?

YES

>> GO TO 2

NO

>> Refer to 

DLK-125, "Diagnosis Procedure"

.

2.

KEYFOB SIGNAL INSPECTION

Check keyfob operation using lock and unlock buttons.
Did the keyfob operate correctly?

YES

>> GO TO 3

NO

>> Refer to 

DLK-106, "Diagnosis Procedure"

.

3.

INTELLIGENT KEY UNIT SIGNAL INSPECTION

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit, back door control unit and power liftgate switch connectors.

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

terminal 23 and back door control unit connector (B) B55 termi-

nal 23.

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

terminal 23 and ground.

Is the inspection result normal?

YES

>> Replace Intelligent Key unit.

NO

>> Repair or replace the harness as necessary.

23 - 23

: Continuity should exist.

23 - Ground

: Continuity should not exist.

ALKIA0680ZZ

DLK-144

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HOMELINK UNIVERSAL TRANSCEIVER

HOMELINK UNIVERSAL TRANSCEIVER

Wiring Diagram

INFOID:0000000005147014

ABKWA0018GB

HOMELINK UNIVERSAL TRANSCEIVER

DLK-145

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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Description

INFOID:0000000005147015

Homelink universal transceiver can store and transmit a maximum of 3 radio signals.

Allows operation of garage doors, gates, home and office lighting, entry door locks and security system, etc.

Homelink universal transceiver power supply uses vehicle battery, which enables it to maintain every program

in case battery is discharged or removed.

ABKIA0056GB

DLK-146

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HOMELINK UNIVERSAL TRANSCEIVER

Component Function Check

INFOID:0000000005147016

1.

CHECK FUNCTION

Check that system receiver (garage door opener, etc.) operates with original hand-held transmitter.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Receiver or hand-held transmitter is malfunctioning.

2.

CHECK ILLUMINATION

1. Turn ignition switch “OFF”.

2. Press each of the transmitter buttons and watch for the red light

to illuminate with each button.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Refer to 

DLK-146, "Diagnosis Procedure"

.

3.

CHECK TRANSMITTER

Check transmitter with Tool*.

*:For details, refer to Technical Service Bulletin.
Is the inspection result normal?

YES

>> Receiver or hand-held transmitter malfunction, not vehicle related.

NO

>> Replace auto anti-dazzling inside mirror (homelink universal transceiver).

Diagnosis Procedure

INFOID:0000000005147017

Regarding Wiring Diagram information, refer to 

DLK-144, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY

1. Disconnect auto anti-dazzling inside mirror (homelink universal transceiver) connector.

2. Check voltage between auto anti-dazzling inside mirror

(homelink universal transceiver) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

PIIA4815E

ALKIA0659ZZ

Auto anti-dazzling inside mirror

(Homelink universal transceiver) 

connector

Terminal Condition

Voltage (V)

(Approx.)

R7

10

Ground

Ignition switch position: LOCK

Battery voltage