Nissan Murano Z51. Manual — part 1065

PCS-2

POWER DISTRIBUTION SYSTEM . . . . ...

39

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

39

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

40

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

41

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

42

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

42

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

42

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

43

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

43

DTC/CIRCUIT DIAGNOSIS . . . . . . .

48

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

48

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

48

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

48

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

48

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

50

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

50

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

50

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

50

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

52

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

52

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

52

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

52

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

54

B2615 BLOWER RELAY CIRCUIT . . . . ...

55

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

55

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

55

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

55

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

57

B2616 IGNITION RELAY CIRCUIT . . . . ...

58

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

58

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

58

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

58

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

60

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

61

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

61

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

61

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

61

B261A PUSH-BUTTON IGNITION SWITCH . .

62

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

62

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

62

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

62

POWER SUPPLY AND GROUND CIRCUIT . .

64

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

64

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

64

PUSH-BUTTON IGNITION SWITCH . . . . .

65

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

65

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

65

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

65

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

66

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

67

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

67

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

67

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

67

POWER DISTRIBUTION SYSTEM . . . . ...

69

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

69

ECU DIAGNOSIS INFORMATION . . . .

75

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

75

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

75

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

99

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

114

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

117

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

118

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 : Precaution Necessary
for Steering Wheel Rotation after Battery Discon-
nect . . . . . . . . . . . . . . . . . ...

120

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

121

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

121

FOR MEXICO : Precaution Necessary for Steer-
ing Wheel Rotation after Battery Disconnect . .

121

SYMPTOM DIAGNOSIS . . . . . . ...

123

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

123

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

123

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

123

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

124

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

124

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

124

REMOVAL AND INSTALLATION . . . .

125

PUSH BUTTON IGNITION SWITCH . . . .

125

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

125

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

125

PCS

RELAY CONTROL SYSTEM

PCS-3

< SYSTEM DESCRIPTION >

[IPDM E/R]

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SYSTEM DESCRIPTION

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000005516930

*: Only for models with steering lock unit.

System Description

INFOID:0000000005516931

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.

JMMIA0286GB

PCS-4

< SYSTEM DESCRIPTION >

[IPDM E/R]

RELAY CONTROL SYSTEM

*1

: BCM controls the starter relay.

*2

: Only for models with steering lock unit.

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-8

(Xenon headlamp)

•

EXL-197

(Halogen headlamp)

Front fog lamp relay

Front fog light request signal

BCM (CAN)

Front fog lamp

•

EXL-15

(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-19

(Xenon headlamp)

•

EXL-207

(Halogen headlamp)

Illuminations

INL-11

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper

WW-5

Front wiper stop position sig-
nal

Front wiper motor

Horn relay

• Theft warning horn request

signal

• Horn reminder signal

BCM (CAN)

• Horn (low)
• Horn (high)

SEC-20

• Starter relay

*1

• Starter control relay

Starter control relay signal

BCM (CAN)

Starter motor

•

SEC-107

•

SEC-105

Steering lock unit condition

signal

*2

Steering lock unit

*2

Starter relay control signal

TCM

Steering lock relay

*2

Steering lock relay signal

BCM (CAN)

Steering lock unit

SEC-73

Steering lock unit condition
signal

Steering lock unit

CVT shift selector (Detention
switch) signal

CVT shift selector (Deten-
tion switch)

A/C relay

A/C compressor request sig-
nal

ECM (CAN)

A/C compressor
(magnet clutch)

•

HAC-11

(Without 7 inch dis-
play)

•

HAC-133

(With 7 inch display)

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

Cooling fan speed request sig-
nal

ECM (CAN)

• Cooling fan motor-

1

• Cooling fan motor-

2

EC-60

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

PCS

RELAY CONTROL SYSTEM

PCS-5

< SYSTEM DESCRIPTION >

[IPDM E/R]

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Component Parts Location

INFOID:0000000005516932

1.

IPDM E/R

A.

Engine room (LH)

JPMIA0870ZZ