DEF-1
DRIVER CONTROLS
C
D
E
F
G
H
I
J
K
M
SECTION DEF
A
B
DEF
N
O
P
CONTENTS
DEFOGGER
BASIC INSPECTION .................................... 3
DIAGNOSIS AND REPAIR WORKFLOW .......... 3
Repair Work Flow ......................................................3
SYSTEM DESCRIPTION .............................. 4
MANUAL A/C IDENTIFICATION TABLE ........... 4
Application Table .......................................................4
REAR WINDOW DEFOGGER SYSTEM ............. 5
System Diagram ........................................................5
System Description ...................................................5
Component Parts Location ........................................6
Component Description .............................................6
DIAGNOSIS SYSTEM (BCM) ............................. 7
COMMON ITEM ...........................................................7
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) .......................................................
7
REAR DEFOGGER .....................................................7
REAR DEFOGGER : CONSULT Function (BCM -
REAR DEFOGGER) .................................................
8
DTC/CIRCUIT DIAGNOSIS .......................... 9
MANUAL A/C IDENTIFICATION TABLE ........... 9
Application Table .......................................................9
REAR WINDOW DEFOGGER SWITCH ............10
Description .............................................................. 10
Component Function Check ....................................10
Diagnosis Procedure Front Air Control (Type 1) ..... 10
Diagnosis Procedure Front Air Control (Type 2) ..... 10
REAR WINDOW DEFOGGER RELAY ..............12
Description .............................................................. 12
Component Function Check ....................................12
Diagnosis Procedure ............................................... 12
REAR WINDOW DEFOGGER POWER SUP-
PLY AND GROUND CIRCUIT ..........................
13
Description ...............................................................13
Component Function Check ....................................13
Diagnosis Procedure ...............................................13
Component Inspection .............................................14
DOOR MIRROR DEFOGGER LH .....................15
Description ...............................................................15
Component Function Check ....................................15
Diagnosis Procedure ...............................................15
Component Inspection .............................................17
DOOR MIRROR DEFOGGER RH .....................18
Description ...............................................................18
Component Function Check ....................................18
Diagnosis Procedure ...............................................18
Component Inspection .............................................20
ECU DIAGNOSIS INFORMATION ..............21
BCM (BODY CONTROL MODULE) .................21
Reference Value ......................................................21
Terminal Layout .......................................................24
Physical Values .......................................................24
WIRING DIAGRAM ......................................30
REAR WINDOW DEFOGGER ..........................30
Wiring Diagram ........................................................30
SYMPTOM DIAGNOSIS ..............................38
REAR WINDOW DEFOGGER AND DOOR
MIRROR DEFOGGER DO NOT OPERATE. ....
38
Diagnosis Procedure ...............................................38
REAR WINDOW DEFOGGER DOES NOT
OPERATE BUT BOTH OF DOOR MIRROR
DEFOGGER OPERATE. ...................................
39
Diagnosis Procedure ...............................................39
Revision: January 2013 2013 Xterra
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