Nissan Murano. Instruction — part 1060

PCS-2

Work Flow . . . . . . . . . . . . . . . ...

38

SYSTEM DESCRIPTION . . . . . . .

41

POWER DISTRIBUTION SYSTEM . . . . ...

41

System Description . . . . . . . . . . . . .

41

Component Parts Location . . . . . . . . . .

43

Component Description . . . . . . . . . . .

43

DIAGNOSIS SYSTEM (BCM) . . . . . . .

44

COMMON ITEM . . . . . . . . . . . . . ....

44

COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ....

44

INTELLIGENT KEY . . . . . . . . . . . . ...

45

INTELLIGENT KEY : CONSULT Function (BCM -
INTELLIGENT KEY) . . . . . . . . . . . ...

45

DTC/CIRCUIT DIAGNOSIS . . . . . . .

50

B2553 IGNITION RELAY . . . . . . . . ...

50

Description . . . . . . . . . . . . . . . ..

50

DTC Logic . . . . . . . . . . . . . . . ...

50

Diagnosis Procedure . . . . . . . . . . . ..

50

B260A IGNITION RELAY . . . . . . . . ..

52

Description . . . . . . . . . . . . . . . ..

52

DTC Logic . . . . . . . . . . . . . . . ...

52

Diagnosis Procedure . . . . . . . . . . . ..

52

B2614 ACC RELAY . . . . . . . . . . ...

54

Description . . . . . . . . . . . . . . . ..

54

DTC Logic . . . . . . . . . . . . . . . ...

54

Diagnosis Procedure . . . . . . . . . . . ..

54

Component Inspection . . . . . . . . . . ....

56

B2615 BLOWER RELAY CIRCUIT . . . . ...

57

Description . . . . . . . . . . . . . . . ..

57

DTC Logic . . . . . . . . . . . . . . . ...

57

Diagnosis Procedure . . . . . . . . . . . ..

57

Component Inspection . . . . . . . . . . ....

59

B2616 IGNITION RELAY CIRCUIT . . . . ...

60

Description . . . . . . . . . . . . . . . ..

60

DTC Logic . . . . . . . . . . . . . . . ...

60

Diagnosis Procedure . . . . . . . . . . . ..

60

Component Inspection . . . . . . . . . . ....

62

B2618 BCM . . . . . . . . . . . . . .

63

Description . . . . . . . . . . . . . . . ..

63

DTC Logic . . . . . . . . . . . . . . . ...

63

Diagnosis Procedure . . . . . . . . . . . ..

63

B261A PUSH-BUTTON IGNITION SWITCH . .

64

Description . . . . . . . . . . . . . . . ..

64

DTC Logic . . . . . . . . . . . . . . . ...

64

Diagnosis Procedure . . . . . . . . . . . ..

64

POWER SUPPLY AND GROUND CIRCUIT . .

66

BCM . . . . . . . . . . . . . . . . . . ...

66

BCM : Diagnosis Procedure . . . . . . . . ...

66

PUSH-BUTTON IGNITION SWITCH . . . . .

67

Description . . . . . . . . . . . . . . . ..

67

Component Function Check . . . . . . . . ..

67

Diagnosis Procedure . . . . . . . . . . . ...

67

Component Inspection . . . . . . . . . . .

68

PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR . . . . . . . . . . . ..

69

Description . . . . . . . . . . . . . . . ..

69

Component Function Check . . . . . . . . ..

69

Diagnosis Procedure . . . . . . . . . . . ...

69

POWER DISTRIBUTION SYSTEM . . . . ...

71

Wiring Diagram - PDS (POWER DISTRIBUTION
SYSTEM) - . . . . . . . . . . . . . . . ..

71

ECU DIAGNOSIS INFORMATION . . . .

77

BCM (BODY CONTROL MODULE) . . . . ..

77

Reference Value . . . . . . . . . . . . . .

77

Wiring Diagram - BCM - . . . . . . . . . .

100

Fail-safe . . . . . . . . . . . . . . . .

115

DTC Inspection Priority Chart . . . . . . . .

116

DTC Index . . . . . . . . . . . . . . .

117

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

120

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

120

FOR USA AND CANADA . . . . . . . . . ...

120

FOR USA AND CANADA : Precaution for Supple-
mental Restraint System (SRS) "AIR BAG" and
"SEAT BELT PRE-TENSIONER" . . . . . . .

120

FOR USA AND CANADA : Precautions for Re-
moving of Battery Terminal . . . . . . . . ...

120

FOR MEXICO . . . . . . . . . . . . . . ..

120

FOR MEXICO : Precaution for Supplemental Re-
straint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER" . . . . . . . . . . . ...

120

FOR MEXICO : Precautions for Removing of Bat-
tery Terminal . . . . . . . . . . . . . . .

121

SYMPTOM DIAGNOSIS . . . . . . ...

122

PUSH-BUTTON IGNITION SWITCH DOES
NOT OPERATE . . . . . . . . . . . .

122

Description . . . . . . . . . . . . . . .

122

Diagnosis Procedure . . . . . . . . . . . .

122

PUSH-BUTTON IGNITION SWITCH POSI-
TION INDICATOR DOES NOT ILLUMINATE ..

123

Description . . . . . . . . . . . . . . .

123

Diagnosis Procedure . . . . . . . . . . . .

123

REMOVAL AND INSTALLATION . . . .

124

PUSH-BUTTON IGNITION SWITCH . . . .

124

Exploded View . . . . . . . . . . . . . ..

124

Removal and Installation . . . . . . . . . ...

124

PCS

RELAY CONTROL SYSTEM

PCS-3

< SYSTEM DESCRIPTION >

[IPDM E/R]

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SYSTEM DESCRIPTION

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000009722611

System Description

INFOID:0000000009722612

IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input sig-
nals from various sensors and the request signals received from control units via CAN communication.

CAUTION:

IPDM E/R integrated relays cannot be removed.

JMMIA0623GB

PCS-4

< SYSTEM DESCRIPTION >

[IPDM E/R]

RELAY CONTROL SYSTEM

NOTE:
: BCM controls the starter relay.

Component Parts Location

INFOID:0000000009722613

Control relay

Input/output

Transmit unit

Control part

Reference page

• Headlamp low relay
• Headlamp high relay

• Low beam request signal
• High beam request signal

BCM (CAN)

• Headlamp low
• Headlamp high

•

EXL-9

(Xenon headlamp)

•

EXL-197

(Halogen headlamp)

Front fog lamp relay

Front fog light request sig-
nal

BCM (CAN)

Front fog lamp

•

EXL-16

(Xenon headlamp)

•

EXL-203

(Halogen headlamp)

Tail lamp relay

Position light request signal

BCM (CAN)

• Parking lamp
• Side marker lamp
• License plate lamp
• Tail lamp

•

EXL-20

(Xenon headlamp)

•

EXL-207

(Halogen headlamp)

Illuminations

INL-12

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper

WW-7

Front wiper stop position
signal

Front wiper motor

Horn relay

• Theft warning horn re-

quest signal

• Horn reminder signal

BCM (CAN)

• Horn (low)
• Horn (high)

SEC-19

• Starter relay

NOTE

• Starter control relay

Starter control relay signal

BCM (CAN)

Starter motor

•

SEC-81

•

SEC-79

Starter relay control signal

TCM

A/C relay

A/C compressor request
signal

ECM (CAN)

A/C compressor
(magnet clutch)

•

HAC-12

(Without 7 inch dis-
play)

•

HAC-138

(With 7 inch display)

• Cooling fan relay-1
• Cooling fan relay-2
• Cooling fan relay-3

Cooling fan speed request
signal

ECM (CAN)

• Cooling fan motor-1
• Cooling fan motor-2

EC-74

Ignition relay

Ignition switch ON signal

BCM (CAN)

Ignition relay

PCS-16

Vehicle speed signal

Combination meter
(CAN)

Push-button ignition switch
signal

Push-button ignition
switch

JPMIA0870ZZ

PCS

RELAY CONTROL SYSTEM

PCS-5

< SYSTEM DESCRIPTION >

[IPDM E/R]

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1.

IPDM E/R

A.

Engine room (LH)