2010 INFINITI QX56 wiper

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Page 4056 of 4210

INFINITI QX56 2010 Factory Service Manual WCS
BCM (BODY CONTROL MODULE)WCS-57
< ECU DIAGNOSIS >
C
DE
F
G H
I
J
K L
M B A
O P44 O Rear wiper auto stop
switch 1 Input ONRise up position (rear wiper
arm on stopper)
0V
A Position (full clockwis

Page 4090 of 4210

INFINITI QX56 2010 Factory Service Manual BCM (BODY CONTROL MODULE)WT-21
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
WT
N
O P
ECU DIAGNOSIS
BCM (BODY CONTROL MODULE)
Reference ValueINFOID:0000000005315451
VALUES ON THE DIAGNOSIS TOOL
Monitor Ite

Page 4091 of 4210

INFINITI QX56 2010 Factory Service Manual WT-22
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
LIGHT SW 1STLighting switch OFF OFF
Lighting switch 1st
ON
HEAD LAMP SW1 Headlamp switch OFF
OFF
Headlamp switch 1st ON
HEAD LAMP SW2 Headlamp switch

Page 4094 of 4210

INFINITI QX56 2010 Factory Service Manual BCM (BODY CONTROL MODULE)WT-25
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
WT
N
O P
Te r m i n a l Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)

Page 4095 of 4210

INFINITI QX56 2010 Factory Service Manual WT-26
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
19 V/WRemote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G/W Remote keyless entry
receiver (signal) Input OFFStand-by

Page 4096 of 4210

INFINITI QX56 2010 Factory Service Manual BCM (BODY CONTROL MODULE)WT-27
< ECU DIAGNOSIS >
C
DF
G H
I
J
K L
M A
B
WT
N
O P
28 L/R Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON
0V
29 W/B Hazard swit

Page 4097 of 4210

INFINITI QX56 2010 Factory Service Manual WT-28
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
44 ORear wiper auto stop
switch 1 Input ONRise up position (rear wiper
arm on stopper)
0V
A Position (full clockwise stop
position) Battery voltage

Page 4122 of 4210

INFINITI QX56 2010 Factory Service Manual WW-1
DRIVER CONTROLS
C
DE
F
G H
I
J
K
M
SECTION WW
A
B
WW
N
O P
CONTENTS
WIPER & WASHER
BASIC INSPECTION ....... .............................3
DIAGNOSIS AND REPAIR WORKFLOW ..... .....3
Work Flow

WW-1
DRIVER CONTROLS
C
DE
F
G H
I
J
K
M
SECTION WW
A
B
WW
N
O P
CONTENTS
WIPER & WASHER
BASIC INSPECTION ....... .............................3
DIAGNOSIS AND REPAIR WORKFLOW ..... .....3
Work Flow ........................................................... ......3
FUNCTION DIAGNOSIS ...............................4
FRONT WIPER AND WASHER SYSTEM ..... .....4
System Diagram .................................................. ......4
System Description ...................................................4
Component Parts Location ........................................7
Component Description ............................................7
REAR WIPER AND WASHER SYSTEM ............8
System Diagram .................................................. ......8
System Description ...................................................8
Component Parts Location ......................................10
Component Description ..........................................10
DIAGNOSIS SYSTEM (BCM) ............................11
COMMON ITEM ..................................................... ....11
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
11
WIPER ................................................................... ....11
WIPER : CONSULT-III Function (BCM - WIPER) ....12
DIAGNOSIS SYSTEM (IPDM E/R) .....................13
Diagnosis Description ......................................... ....13
CONSULT - III Function (IPDM E/R) .......................15
COMPONENT DIAGNOSIS .........................18
WIPER AND WASHER FUSE ........................ ....18
Description .......................................................... ....18
Diagnosis Procedure ...............................................18
FRONT WIPER MOTOR LO CIRCUIT ...............19
Component Function Check ................................ ....19
Diagnosis Procedure ...............................................19
FRONT WIPER MOTOR HI CIRCUIT ................21
Component Function Check ................................ ....21
Diagnosis Procedure ...............................................21
FRONT WIPER AUTO STOP SIGNAL CIR-
CUIT ..................................................................
23
Component Function Check ....................................23
Diagnosis Procedure ...............................................23
FRONT WIPER MOTOR GROUND CIRCUIT ...25
Diagnosis Procedure ...............................................25
WASHER SWITCH ............................................26
Description ...............................................................26
Component Inspection .............................................26
REAR WIPER MOTOR CIRCUIT ......................28
Component Function Check ....................................28
Diagnosis Procedure ...............................................28
REAR WIPER AUTO STOP SIGNAL CIRCUIT
...
30
Component Function Check ................................ ....30
Diagnosis Procedure ...............................................30
FRONT WIPER AND WASHER SYSTEM ........31
Wiring Diagram ........................................................31
REAR WIPER AND WASHER SYSTEM ..........35
Wiring Diagram ........................................................35
ECU DIAGNOSIS .........................................41
BCM (BODY CONTROL MODULE) .................41
Reference Value .................................................. ....41
Terminal Layout .......................................................44
Physical Values ................................................... ....44
Wiring Diagram ........................................................50
Fail Safe ..................................................................54
DTC Inspection Priority Chart ...............................55
DTC Index ...............................................................55
IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM) ................
57
Revision: April 20092010 QX56

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