Infiniti QX56 (Z62). Manual — part 980

PCS-76

< SYMPTOM DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

SYMPTOM DIAGNOSIS

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

Description

INFOID:0000000006220228

Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check
each symptom.
NOTE:
The engine start function, door lock function, power distribution system, and NATS-IVIS/NVIS in the Intelligent
Key system are closely related to each other regarding control. The vehicle security function can operate only
when the door lock and power distribution system are operating normally.

Conditions of Vehicle (Operating Conditions)

• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT-III.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.

Diagnosis Procedure

INFOID:0000000006220229

1.

PERFORM WORK SUPPORT

Perform “INSIDE ANT DIAGNOSIS” on Work Support of “INTELLIGENT KEY”.
Refer to

DLK-41, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"

.

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS RESULT

Perform Self-Diagnosis Result of “BCM”.

Is DTC detected?

YES

>> Refer to

BCS-57, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK PUSH-BUTTON IGNITION SWITCH

Check push-button ignition switch.
Refer to

PCS-71, "Component Function Check"

.

Is the operation normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning parts.

4.

CONFIRM THE OPERATION

Confirm the operation again.

Is the inspection normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.

PCS

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT ILLUMI-

NATE

PCS-77

< SYMPTOM DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

PUSH-BUTTON IGNITION SWITCH POSITION INDICATOR DOES NOT IL-
LUMINATE

Description

INFOID:0000000006220230

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

PCS-53, "Work Flow"

.

• Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and

check each symptom.

Conditions of Vehicle (Operating Conditions)

• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT-III.
• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.

Diagnosis Procedure

INFOID:0000000006220231

1.

CHECK PUSH-BUTTON IGNITION SWITCH INDICATOR

Check push-button ignition switch indicator.
Refer to

PCS-74, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CONFIRM THE OPERATION

Confirm the operation again.

Is the result normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.

PCS-78

< REMOVAL AND INSTALLATION >

[POWER DISTRIBUTION SYSTEM]

PUSH-BUTTON IGNITION SWITCH

REMOVAL AND INSTALLATION

PUSH-BUTTON IGNITION SWITCH

Exploded View

INFOID:0000000006376371

Refer to

IP-13, "Exploded View"

.

Removal and Installation

INFOID:0000000006376372

REMOVAL

1.

Remove the cluster lid A. Refer to

IP-14, "Removal and Installation"

.

2.

Disengage the push-button ignition switch fixing pawl and then
remove push-button ignition switch.

INSTALLATION

Install in the reverse order of removal.

: Pawl

JMKIA5306ZZ

PG

PG-1

ELECTRICAL & POWER CONTROL

C

D

E

F

G

H

I

J

K

L

B

SECTION

PG

A

O

P

N

CONTENTS

POWER SUPPLY, GROUND & CIRCUIT ELEMENTS

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

3

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

3

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

3

PREPARATION . . . . . . . . . . .

4

PREPARATION . . . . . . . . . . . . ...

4

Special Service Tools . . . . . . . . . . . ....

4

SYSTEM DESCRIPTION . . . . . . . ..

5

COMPONENT PARTS . . . . . . . . . .

5

Circuit Breaker . . . . . . . . . . . . . . ..

5

Battery . . . . . . . . . . . . . . . . . ...

5

Harness Connector . . . . . . . . . . . . ...

5

Standardized Relay . . . . . . . . . . . . ...

8

WIRING DIAGRAM . . . . . . . . . ..

11

POWER SUPPLY ROUTING CIRCUIT . . . ..

11

Wiring Diagram - BATTERY POWER SUPPLY - .

11

Wiring Diagram - BATTERY POWER SUPPLY
FUSIBLE LINK No. K - . . . . . . . . . . .

29

Wiring Diagram - BATTERY POWER SUPPLY
FUSIBLE LINK No. S - . . . . . . . . . . .

33

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 6 - . . . . . . . . . . . . . . ...

37

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 7 - . . . . . . . . . . . . . . ...

43

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 9 - . . . . . . . . . . . . . . ...

46

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 10 - . . . . . . . . . . . . . . .

51

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 35 - . . . . . . . . . . . . . . .

54

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 43 - . . . . . . . . . . . . . . .

60

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 46 - . . . . . . . . . . . . . . .

64

Wiring Diagram - BATTERY POWER SUPPLY
FUSE No. 47 - . . . . . . . . . . . . . . .

67

Wiring Diagram - ACCESSORY POWER SUP-
PLY - . . . . . . . . . . . . . . . . . .

80

Wiring Diagram - ACCESSORY POWER SUP-
PLY FUSE No. 19 - . . . . . . . . . . . . .

83

Wiring Diagram - ACCESSORY POWER SUP-
PLY FUSE No. 20 - . . . . . . . . . . . . .

86

Wiring Diagram - IGNITION POWER SUPPLY - . .

89

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 3 - . . . . . . . . . . . . . . .

105

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 4 - . . . . . . . . . . . . . . .

109

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 37 - . . . . . . . . . . . . . ...

115

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 55 - . . . . . . . . . . . . . ...

121

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 57 - . . . . . . . . . . . . . ...

123

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 61 - . . . . . . . . . . . . . ...

126

Wiring Diagram - IGNITION POWER SUPPLY
FUSE No. 80 - . . . . . . . . . . . . . ...

129

OPTION HARNESS . . . . . . . . . .

133

Wiring Diagram . . . . . . . . . . . . . ..

133

FUSE BLOCK - JUNCTION BOX (J/B) . . ..

140

Fuse, Connector and Terminal Arrangement . .

140

FUSE, FUSIBLE LINK AND RELAY BOX . ..

141

Fuse and Fusible Link Arrangement . . . . . ..

141

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

143

Fuse, Connector and Terminal Arrangement . .

143

HARNESS LAYOUT . . . . . . . . . ...

144

How To Read Harness Layout . . . . . . . ..

144

Outline . . . . . . . . . . . . . . . . ...

145

Engine Room Harness . . . . . . . . . . ..

146

Engine Control Harness . . . . . . . . . .

148