Infiniti QX56 (JA60). Manual - part 852

 

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Infiniti QX56 (JA60). Manual - part 852

 

 

SEC-54

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

IGNITION KNOB SWITCH

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace key switch and ignition knob switch.

4.

CHECK IGNITION KNOB SWITCH CIRCUIT

1. Check continuity between Intelligent Key unit harness connector M70 (A) terminal 27 and key switch and

ignition knob switch harness connector M12 (B) terminal 2.

2. Check continuity between Intelligent Key unit harness connector

M70 (A) terminal 27 and ground.

Is the inspection result normal?

YES

>> Check the condition of harness and harness connector.

NO

>> Repair or replace harness between Intelligent Key unit

and key switch and ignition knob switch.

Component

Terminals

Condition

Continuity

Ignition 

knob switch

1

2

Ignition switch is pushed

Yes

Ignition switch is released

No

PIIA9929E

27 - 2

: Continuity should exist.

27 - Ground

: Continuity should not exist.

WIIA1176E

HOOD SWITCH

SEC-55

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

HOOD SWITCH

Diagnosis Procedure

INFOID:0000000005147124

Regarding Wiring Diagram information, refer to 

SEC-69, "Wiring Diagram - VEHICLE SECURITY SYSTEM"

.

1.

CHECK HOOD SWITCH 

Check hood switch and hood fitting condition.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Adjust installation of hood switch.

2.

CHECK HOOD SWITCH INPUT SIGNAL

With CONSULT-III

Check "HOOD SW" in "BCM" DATA MONITOR mode with CONSULT-III. Refer to 

SEC-22, "THEFT ALM :

CONSULT-III Function (BCM - THEFT ALM)"

.

Without CONSULT-III

Check voltage between IPDM E/R harness connector E122 terminal

41 and ground.

Is the inspection result normal?

YES

>> Hood switch is OK.

NO

>> GO TO 3

3.

CHECK HOOD SWITCH SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector E122 and hood switch connector.

3. Check continuity between IPDM E/R connector (A) E122 termi-

nal 41 and hood switch connector (B) E13 terminal 1.

4. Check continuity between IPDM E/R connector (A) E122 termi-

nal 41 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

When hood is open

: HOOD SW ON

When hood is closed

: HOOD SW OFF

Connector

Terminal

Condition of 

hood

Voltage (V)

(Approx.)

(+)

(-)

E122

41

Ground

Open

0

Closed

Battery voltage

WIIA0601E

Terminals

Continuity

IPDM E/R 

Connector

Terminal

Hood switch 

connector

Terminal

E122

41

E13

1

Yes

IPDM E/R Connector

Terminals

Continuity

E122

41

Ground

No

ALKIA1785ZZ

SEC-56

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

HOOD SWITCH

4.

CHECK HOOD SWITCH GROUND CIRCUIT

Check continuity between hood switch connector E13 terminal 2 and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness.

5.

CHECK HOOD SWITCH

Check continuity between hood switch terminals 1 and 2.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-35, "Removal and

Installation of IPDM E/R"

.

NO

>> Replace hood switch.

Connector

Terminals

Continuity

E13

2

Ground

Yes

ALKIA1786ZZ

Terminals

Condition

Continuity

1- 2

Pressed

No

Released

Yes

ALKIA1787ZZ

HORN FUNCTION

SEC-57

< COMPONENT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

HORN FUNCTION

Symptom Table

INFOID:0000000005147125

HAZARD AND HORN REMINDER FUNCTION MALFUNCTION

NOTE:

• Before performing the diagnosis in the following table, check “Work flow”. Refer to 

SEC-4, "Work Flow"

.

• If the following symptoms” are detected, check systems shown in the “Diagnosis/service procedure” column

in this order.

Conditions of Vehicle (Operating Conditions)

• “ANSWER BACK FUNCTION” is ON when setting on CONSULT-III.

• Ignition switch is in OFF position.

• All doors are closed.

Symptom

Diagnosis/service procedure

Reference 

page

Hazard reminder does not operate by request switch.
(Horn reminder operate.)

1.

Check “HAZARD ANSWER BACK” setting in “WORK 
SUPPORT”.

DLK-53

2. Check hazard function.

DLK-112

3. Check Intermittent Incident.

GI-38

Hazard reminder does not operate by Intelligent Key.
(Horn reminder operate.)

1.

Check “HAZARD ANSWER BACK” setting in “WORK 
SUPPORT”.

DLK-53

2. Check hazard function.

DLK-112

3. Check Intelligent Key battery inspection.

DLK-106

Horn reminder does not operate by request switch.
(Hazard reminder operate.)

1.

Check “ANSWER BACK WITH I-KEY LOCK” or “AN-
SWER BACK WITH I-KEY UNLOCK” setting in “WORK 
SUPPORT”.

DLK-53

2. Check Intelligent Key warning buzzer.

DLK-95

3. Check Intermittent Incident.

GI-38

Horn reminder does not operate by Intelligent Key.
(Hazard reminder operate.)

1.

Check “HORN WITH KEYLESS LOCK” setting in 
“WORK SUPPORT”.

DLK-53

2. Check horn function.

SEC-57

3. Check Intermittent Incident.

GI-38

 

 

 

 

 

 

 

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