Infiniti G35 (V35) Sedan. Manual — part 987

PCS-2

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

41

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

42

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

42

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

42

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

42

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

42

COMPONENT DIAGNOSIS . . . . . .

46

U1000 CAN COMM CIRCUIT . . . . . . .

46

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

46

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

46

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

46

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

47

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

47

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

47

Special Repair Requirement . . . . . . . . ...

47

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

48

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

48

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

48

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

48

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

50

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

50

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

50

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

50

B2611 ACC RELAY . . . . . . . . . . ...

52

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

52

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

52

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

52

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

54

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

54

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

54

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

54

Component Inspection (Accessory Relay) . . . .

55

B2615 BLOWER RELAY CIRCUIT . . . . ...

57

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

57

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

57

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

57

Component Inspection (Blower Relay) . . . . ...

58

B2616 IGNITION RELAY CIRCUIT . . . . ...

60

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

60

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

60

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

60

Component Inspection (Ignition Relay) . . . . ..

61

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

BCM : Special Repair Requirement . . . . . .

66

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) . . . . . . . ..

66

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) : Diagnosis Pro-
cedure . . . . . . . . . . . . . . . . . .

66

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

68

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

68

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

68

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

68

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

69

ECU DIAGNOSIS . . . . . . . . . ...

70

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

70

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

70

Wiring Diagram — PDS (POWER DISTRIBU-
TION SYSTEM) — . . . . . . . . . . . . ..

93

Fail Safe . . . . . . . . . . . . . . . . .

98

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

100

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

101

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

104

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

104

Wiring Diagram — PDS (POWER DISTRIBU-
TION SYSTEM) — . . . . . . . . . . . .

111

Fail Safe . . . . . . . . . . . . . . . ...

116

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

118

SYMPTOM DIAGNOSIS . . . . . . ...

119

POWER DISTRIBUTION SYSTEM SYMP-
TOMS . . . . . . . . . . . . . . . .

119

Symptom Table . . . . . . . . . . . . . .

119

ON-VEHICLE MAINTENANCE . . . . .

120

PRE-INSPECTION FOR DIAGNOSTIC . . ...

120

Basic Inspection . . . . . . . . . . . . .

120

ON-VEHICLE REPAIR . . . . . . . ..

121

BCM (BODY CONTROL MODULE) . . . . .

121

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

121

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

121

PUSH BUTTON IGNITION SWITCH . . . .

122

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

122

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

122

PCS

RELAY CONTROL SYSTEM

PCS-3

< FUNCTION DIAGNOSIS >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

FUNCTION DIAGNOSIS

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000000964170

System Description

INFOID:0000000000964171

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.

JSMIA0003GB

PCS-4

< FUNCTION DIAGNOSIS >

[IPDM E/R]

RELAY CONTROL SYSTEM

NOTE:

BCM controls the starter relay.

Component Parts Location

INFOID:0000000000964172

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

Front fog lamp relay

Front fog light request signal

BCM (CAN)

Front fog lamp

EXL-23

Tail lamp relay

Position light request signal

BCM (CAN)

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

EXL-27

,

INL-11

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper

WW-6

Front wiper auto stop signal

Front wiper motor

• Horn relay 1
• Horn relay 2

• Theft warning horn request

signal

• Horn reminder signal

BCM (CAN)

• Horn (Low)
• Horn (High)

SEC-27

• Starter relay

NOTE

• Starter control relay

Starter control relay signal

BCM (CAN)

Starter motor

SEC-95

,

SEC-97

Steering lock unit condition
signal

Steering lock unit

Starter relay control signal

TCM

Clutch interlock switch

Steering lock relay

Steering lock relay signal

BCM (CAN)

Steering lock unit

SEC-89

Steering lock unit condition
signal

Steering lock unit

A/T device (Detention switch)
signal

A/T device (Detention
switch)

A/C relay

A/C compressor request sig-
nal

ECM (CAN)

A/C compressor
(magnet clutch)

HAC-90

Ignition relay

Ignition switch ON signal

BCM (CAN)

Ignition relay

PCS-16

Vehicle speed signal

Unified meter and A/C amp.
(CAN)

Push-button ignition switch
signal

Push-button ignition switch

PCS

RELAY CONTROL SYSTEM

PCS-5

< FUNCTION DIAGNOSIS >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

1.

IPDM E/R

A.

Engine room dash panel (RH)

JPMIA0065ZZ