Nissan Frontier. Manual - part 1039

PB-10

< SERVICE DATA AND SPECIFICATIONS (SDS) 

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Parking Drum Brake

INFOID:0000000009478987

Unit: mm (in)

Parking Brake Control

INFOID:0000000009478988

Type

Drum

Brake lining

Standard thickness (new)

3.8 

±  0.15 (0.150 ± 0.006)

Wear limit thickness

0.5 (0.020)

Drum inner diameter (disc)

Standard inner diameter (new)

190 +0.15, -0.00 (7.480 + 0.006, - 0.000)

Wear limit of inner diameter

190.7 (7.508)

Control type

Control lever

Number of notches [under force of 196 N (20.0 kg-f, 44.1 lb-f)]

6 – 8 notches

Number of notches when warning lamp switch comes on

1 notch

PCS

PCS-1

ELECTRICAL & POWER CONTROL

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SECTION 

PCS

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CONTENTS

POWER  CONTROL SYSTEM

IPDM E/R

SYSTEM DESCRIPTION  ..............................

2

RELAY CONTROL SYSTEM  ..............................

2

System Diagram ........................................................

2

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

3

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

4

POWER CONTROL SYSTEM .............................

5

System Diagram ........................................................

5

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

5

SIGNAL BUFFER SYSTEM  ................................

6

System Diagram ........................................................

6

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

6

POWER CONSUMPTION CONTROL SYS-
TEM .....................................................................

7

System Diagram ........................................................

7

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

7

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

8

DIAGNOSIS SYSTEM (IPDM E/R) ......................

9

Diagnosis Description  ...............................................

9

CONSULT Function (IPDM E/R) .............................

11

DTC/CIRCUIT DIAGNOSIS  .........................

13

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

13

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

13

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

13

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

13

POWER SUPPLY AND GROUND CIRCUIT  ....

14

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

14

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

15

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

15

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

15

Terminal Layout .......................................................

16

Physical Values  .......................................................

17

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

20

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

21

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

22

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

22

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

22

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

27

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

27

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

27

REMOVAL AND INSTALLATION ...............

28

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

28

Removal and Installation of IPDM E/R  ....................

28

PCS-2

< SYSTEM DESCRIPTION >

[IPDM E/R]

RELAY CONTROL SYSTEM

SYSTEM DESCRIPTION

RELAY CONTROL SYSTEM

System Diagram

INFOID:0000000009478235

AWMIA1484GB

PCS

RELAY CONTROL SYSTEM

PCS-3

< SYSTEM DESCRIPTION >

[IPDM E/R]

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System Description

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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.

Control relay

Input/output

Transmit unit

Control part

Reference 

page

Front fog lamp relay
(if equipped)

Front fog lamp request signal

BCM (CAN)

Front fog lamps
(if equipped)

EXL-45

• Headlamp high relay
• Headlamp low relay

• High beam request signal
• Low beam request signal

BCM (CAN)

• Headlamp high
• Headlamp low

EXL-7
EXL-39

Tail lamp relay

Position light request signal

BCM (CAN)

• Parking lamps
• License plate lamps
• Tail  lamps
• Trailer tow relay
• Illumination system

EXL-47

• Front wiper relay
• Front wiper high relay

Front wiper request signal

BCM (CAN)

Front wiper motor

WW-48

Rear window defogger relay
(if equipped)

Rear window defogger request signal BCM (CAN)

Rear window defogger
(if equipped)

DEF-4

A/C relay

A/C request signal

• BCM  (CAN)
• ECM  (CAN)

A/C compressor

HAC-121

Starter relay

Ignition switch START signal

• TCM (A/T)
• Clutch interlock 

(M/T)

Starter motor

STR-12

 (A/

T)

STR-13

 (M/T 

with clutch 
interlock 
cancel sys-
tem)

STR-15

 (M/T 

without 
clutch inter-
lock cancel 
system)

Cooling fan relays
(if equipped)

Cooling fan request signal

ECM (CAN)

Cooling fan relay
(if equipped)

EC-987

 (For 

USA and 
Canada)

EC-496

 (For 

Mexico)

Heated mirror relay
(if equipped)

Heated mirror request signal

BCM (CAN)

Door mirrors
(if equipped)

DEF-4

ECM relay

ECM relay control signal

ECM (CAN)

ECM relay

EC-26

 

(QR25DE)

EC-479

 (VQ40DE for 
USA and 
Canada)

EC-971

 

(VQ40DE for 
Mexico

Throttle control motor relay

Throttle control motor control signal

ECM (CAN)

Throttle control motor relay

EC-33

(QR25DE)

EC-488

(VQ40DE for 
USA and 
Canada)

EC-979

(VQ40DE for 
Mexico)