Infiniti QX56 (JA60). Manual — part 719

PB-10

< ON-VEHICLE REPAIR >

PARKING BRAKE SHOE

• Check thickness of lining.

Disc Rotor Inner Diameter Inspection

• Check inner diameter inside drum area of disc rotor.

Other Inspections

• Check shoe sliding surface on back plate for excessive wear and damage.

• Check anti-rattle pins for excessive wear and corrosion.

• Check return springs for sagging.

• Check adjuster for rough operation.

• When disassembling adjuster, apply PBC (Poly Butyl Cuprysil) grease or equivalent to the threads.

• Check either visually or with a vernier caliper to see if there is any excessive wear, cracks, or damage inside

drum area of disc rotor.

INSTALLATION

Installation is in the reverse order of removal.

• Apply brake grease to the specified points during assembly.

• Assemble adjuster so that threaded part expands when rotating it

in the direction shown by the arrow.

• Shorten adjuster by rotating it.

NOTE:

After replacing brake shoes or disc rotors, or if brakes do not function well, perform break-in operation as fol-

lows.
1. Adjust parking brake pedal stroke. Refer to

PB-5, "On-Vehicle Service"

.

2. Perform parking brake break-in operation by driving the vehicle forward under the following conditions:

• Vehicle speed at 40 km/h (25 MPH)

• Apply parking brake with an operating force of 196 N (20.0 kg-f, 44.1 lb-f) set

• Apply parking brake for a period of 30 seconds

CAUTION:

• To prevent lining from getting too hot, allow a cool off period of approximately 5 minutes after

every break-in operation.

Standard thickness (A)

: Refer to

PB-12, "Parking

Brake"

.

Wear limit thickness (A) : Refer to

PB-12, "Parking

Brake"

.

SBR021A

Standard inner diameter

: Refer to

PB-12, "Park-

ing Brake"

.

Wear limit of inner diameter

: Refer to

PB-12, "Park-

ing Brake"

.

SBR768A

SFIA0153E

PARKING BRAKE SHOE

PB-11

< ON-VEHICLE REPAIR >

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• Do not perform excessive break-in operations, because it may cause uneven or early wear of lin-

ing.

3. After break-in operation, check pedal stroke of parking brake. Readjust if it is no longer at the specified

stroke. Refer to

PB-5, "On-Vehicle Service"

.

PB-12

< SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Parking Brake

INFOID:0000000005147936

Unit: mm (in)

Parking Brake Control

INFOID:0000000005147937

Type

Disc rotor with inner drum

Brake lining

Standard thickness (new)

3.79

± 0.21 (0.149 ± 0.008)

Wear limit thickness

0.5 (0.020)

Drum inner diameter (disc)

Standard inner diameter (new)

205

± 0.13 (8.07 ± 0.01)

Wear limit of inner diameter

205.7 (8.10)

Control type

Foot pedal

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

3 – 4 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

BASIC INSPECTION . . . . . . . . .

2

DIAGNOSIS AND REPAIR WORKFLOW . . ..

2

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

2

FUNCTION DIAGNOSIS . . . . . . . ...

5

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

5

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

5

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

6

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

7

POWER CONTROL SYSTEM . . . . . . . .

8

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

8

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

8

SIGNAL BUFFER SYSTEM . . . . . . . .

9

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

9

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

9

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

10

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

10

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

10

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

11

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

12

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

12

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

14

COMPONENT DIAGNOSIS . . . . . . .

17

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

17

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

17

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

17

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

17

POWER SUPPLY AND GROUND CIRCUIT .

18

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

18

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

19

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

19

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

19

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

21

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

22

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

27

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

30

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

32

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

33

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

33

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

33

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

33

REMOVAL AND INSTALLATION . . . ...

35

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

35

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

35