Infiniti FX35, FX50 (S51). Manual - part 1411

 

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Infiniti FX35, FX50 (S51). Manual - part 1411

 

 

PCS-2

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 .........................

47

U1000 CAN COMM CIRCUIT  ............................

47

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

47

BCM : Description ...................................................

47

BCM : DTC Logic ....................................................

47

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

47

IPDM E/R ...................................................................

47

IPDM E/R : Description ...........................................

47

IPDM E/R : DTC Logic ............................................

47

IPDM E/R : Diagnosis Procedure  ...........................

47

U1010 CONTROL UNIT (CAN)  .........................

49

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

49

BCM : DTC Logic ....................................................

49

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

49

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 ............................................

55

B2615 BLOWER RELAY CIRCUIT  ...................

56

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

56

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

56

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

56

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

57

B2616 IGNITION RELAY CIRCUIT  ...................

58

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

58

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

58

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

58

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

59

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

60

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

60

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

60

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

60

B261A PUSH-BUTTON IGNITION SWITCH .....

61

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

61

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

61

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

61

POWER SUPPLY AND GROUND CIRCUIT  .....

63

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

63

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

63

PUSH-BUTTON IGNITION SWITCH  .................

64

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

64

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

64

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

64

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

66

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

67

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

67

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

67

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

67

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

68

POWER DISTRIBUTION SYSTEM  ...................

69

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

69

ECU DIAGNOSIS INFORMATION .............

80

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

80

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

80

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

104

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

110

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

113

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

113

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

116

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

116

Wiring Diagram - IPDM E/R - ................................

123

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

126

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

128

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

129

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

129

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

129

Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .................................

129

SYMPTOM DIAGNOSIS  ...........................

131

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

131

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

131

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

131

PCS-4

< SYSTEM DESCRIPTION >

[IPDM E/R]

RELAY CONTROL SYSTEM

SYSTEM DESCRIPTION

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000005240626

System Description

INFOID:0000000005240627

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.

JPMIA1569GB

PCS

RELAY CONTROL SYSTEM

PCS-5

< SYSTEM DESCRIPTION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

NOTE:

BCM controls the starter relay.

Component Parts Location

INFOID:0000000005240628

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

Front fog lamp relay

Front fog light request signal

BCM (CAN)

Front fog lamp

EXL-22

Tail lamp relay

Position light request signal

BCM (CAN)

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

EXL-27

Illuminations

INL-15

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper

WW-5

(With rain sensor)

WW-9

(Without rain sensor)

Front wiper stop position sig-
nal

Front wiper motor

• Horn  relay  1
• Horn  relay  2

• Theft warning horn request 

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-105

,

SEC-107

Steering lock unit condition 
signal

Steering lock unit

Starter relay control signal

TCM

Steering lock relay

Steering lock relay signal

BCM (CAN)

Steering lock unit

SEC-99

Steering lock unit condition 
signal

Steering lock unit

A/T shift selector (Detention 
switch) signal

A/T shift selector
(Detention switch)

A/C relay

A/C compressor request sig-
nal

ECM (CAN)

A/C compressor
(magnet clutch)

HAC-55

Ignition relay

Ignition switch ON signal

BCM (CAN)

Ignition relay 

PCS-17

Vehicle speed signal

Unified meter and A/C 
amp. (CAN)

Push-button ignition switch 
signal

Push-button ignition 
switch

JPMIA1089ZZ

 

 

 

 

 

 

 

Content   ..  1409  1410  1411  1412   ..