PG-1
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
CONTENTS
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SECTION PG
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PG
Revision; 2004 April 2003 FX
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
POWER SUPPLY ROUTING CIRCUIT 3
Schematic 3
Wiring Diagram - POWER - 4
BATTERY POWER SUPPLY - IGNITION SW. IN
ANY POSITION 4
ACCESSORY POWER SUPPLY - IGNITION SW.
IN “ACC” OR “ON” 10
IGNITION POWER SUPPLY - IGNITION SW. IN
“ON” AND/OR “START” 12
Fuse 17
Fusible Link 17

GROUND 46
Ground Distribution 46
MAIN HARNESS 46
ENGINE ROOM HARNESS 49
ENGINE HARNESS/VK ENGINE MODELS 52
ENGINE HARNESS/VQ ENGINE MODELS 53
ENGINE CONTROL HARNESS/VK ENGINE
MODELS 54
ENGINE CONTROL HARNESS/VQ ENGINE
MODELS 55
BODY HARNESS 56
BODY NO.2 HARNESS 59
ROOM LAMP HARNESS 60
HARNESS 61
Harness Layout 61
HOW TO READ HARNESS LAYOUT 61
OUTLINE 62
MAIN HARNESS 63
ENGINE ROOM HARNESS 66
ENGINE HARNESS/VK ENGINE MODELS 69
ENGINE HARNESS/VQ ENGINE MODELS 70
ENGINE CONTROL HARNESS/VK ENGINE
MODELS 71
ENGINE CONTROL HARNESS/VQ ENGINE
MODELS 73
BODY HARNESS 75
BODY NO.2 HARNESS 77
ROOM LAMP HARNESS 78
FRONT DOOR HARNESS 79
REAR DOOR HARNESS 80

POWER SUPPLY ROUTING CIRCUIT
PG-3
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PG
Revision; 2004 April 2003 FX
POWER SUPPLY ROUTING CIRCUIT PFP:24110
Schematic AKS007VU
TKWM0707E
PG-4
POWER SUPPLY ROUTING CIRCUIT
Revision; 2004 April 2003 FX
Wiring Diagram - POWER - AKS007VV
BATTERY POWER SUPPLY - IGNITION SW. IN ANY POSITION
TKWM0708E
POWER SUPPLY ROUTING CIRCUIT
PG-5
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PG
Revision; 2004 April 2003 FX
TKWM0711E
PG-8
POWER SUPPLY ROUTING CIRCUIT
Revision; 2004 April 2003 FX
TKWM0712E
POWER SUPPLY ROUTING CIRCUIT
PG-9
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PG
Revision; 2004 April 2003 FX
TKWM0713E
PG-10
POWER SUPPLY ROUTING CIRCUIT
Revision; 2004 April 2003 FX
ACCESSORY POWER SUPPLY - IGNITION SW. IN “ACC” OR “ON”
TKWM0714E
POWER SUPPLY ROUTING CIRCUIT

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PG
Revision; 2004 April 2003 FX
TKWM0717E
PG-14
POWER SUPPLY ROUTING CIRCUIT
Revision; 2004 April 2003 FX
TKWH0385E
POWER SUPPLY ROUTING CIRCUIT
PG-15
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PG
Revision; 2004 April 2003 FX
TKWM0719E
PG-16

feeling with finger tip. If its condition is questionable, use circuit
tester or test lamp.
CAUTION:
● If fusible link should melt, it is possible that critical circuit
(power supply or large current carrying circuit) is shorted.
In such a case, carefully check and eliminate cause of inci-
dent.
● Never wrap outside of fusible link with vinyl tape. Important:
Never let fusible link touch any other wiring harness, vinyl
or rubber parts.
Circuit Breaker AKS007VY
The PTC thermistor generates heat in response to current flow. The
temperature (and resistance) of the thermistor element varies with
current flow. Excessive current flow will cause the element's temper-
ature to rise. When the temperature reaches a specified level, the
electrical resistance will rise sharply to control the circuit current.
Reduced current flow will cause the element to cool. Resistance falls
accordingly and normal circuit current flow is allowed to resume.
CEL083
CKIM0195E
SEL109W
PG-18
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision; 2004 April 2003 FX
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PFP:284B7
System Description AKS005S9
● IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block
which were originally placed in engine room. It controls integrated relay via IPDM E/R control circuit.
● IPDM E/R-integrated control circuit performs ON-OFF operation of relay, CAN communication control, oil

Controlled system Fail-safe mode
Headlamp
● With the ignition switch ON, the headlamp (low) is ON.
● With the ignition switch OFF, the headlamp (low) is OFF.
Tail and parking lamps
● With the ignition switch ON, the tail and parking lamps is ON.
● With the ignition switch OFF, the tail and parking lamps is OFF.
Cooling fan
● With the ignition switch ON, the cooling fan HI operates.
● With the ignition switch OFF, the cooling fan stops.
Front wiper
Until the ignition switch is turned off, the front wiper LO and HI remains in the same status it
was in just before fail−safe control was initiated.
Rear window defogger Rear window defogger relay OFF
A/C compressor A/C compressor OFF
Front fog lamps Front fog lamp relay OFF
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-19
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Body type Wagon
Axle 2WD AWD
Engine VQ35DE VQ35DE/VK45DE
Transmission A/T
Brake control VDC
Navigation system ××
Low tire pressure warning system ××
ICC system ××
Intelligent Key system ××
Automatic drive positioner ×× ××
CAN communication unit
ECM ××××××
TCM ××××××
Display unit ×× ××
Display control unit ××
Low tire pressure warning control unit ××
AWD control unit ×××
ICC unit ××
Intelligent Key unit ××
Data link connector ××××××
BCM ××××××
Steering angle sensor ××××××
Unified meter and A/C amp. ××××××
ICC sensor ××
ABS actuator and electric unit (control unit) ××××××
Driver seat control unit ×× ××
IPDM E/R ××××××
CAN communication type PG-21, "
TYPE 1/TYPE2"
PG-24,

play
unit
BCM
Steer-
ing
angle
sensor
Unified
meter
and A/
C amp.
ABS
actua-
tor and
electric
unit
(con-
trol
unit)
Driver
seat
control
unit
IPDM
E/R
Engine speed signal T R R R R
Engine status signal T R
Engine coolant temperature signal T R R
A/T self-diagnosis signal R T
Accelerator pedal position signal T R R

High beam status signal R T
Front fog light request signal T R
Day time running light request signal T R
Turn LED burnout status signal R T
Vehicle speed signal
RT
RRRR T R
Sleep wake up signal T R R R
Door switch signal R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock signal T R
Oil pressure switch signal
RT
TR
Buzzer output signal T R
Fuel level sensor signal R T
Fuel level low warning signal R T
Signals ECM TCM
Dis-
play
unit
BCM
Steer-
ing
angle
sensor
Unified
meter
and A/

Revision; 2004 April 2003 FX
ASCD operation signal T R
ASCD OD cancel request T R
Front wiper request signal T R
Front wiper stop position signal R T
Rear window defogger switch signal T R
Rear window defogger control signal R R R T
Hood switch signal R T
Theft warning horn request signal T R
Horn chirp signal T R
Steering angle sensor signal T R
ABS warning lamp signal RT
VDC OFF indicator lamp signal R T
SLIP indicator lamp signal RT
Brake warning lamp signal RT
System setting signal T R R
A/T CHECK indicator lamp signal T R
A/T position indicator lamp signal T R
A/T shift schedule change demand signal R T
Manual mode signal R T
Not manual mode signal R T
Manual mode shift up signal R T
Manual mode shift down signal R T
Manual mode indicator signal T R
Distance to empty signal R T
Hand brake switch R T
Signals ECM TCM
Dis-
play
unit

T: Transmit R: Receive
SKIA6173E
Signals ECM TCM
Dis-
play
con-
trol
unit
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
ICC
unit
Intelli-
gent
Key
unit
BCM
Steeri
ng
angle
sen-
sor
Uni-

A/T self-diagnosis signal R T
Accelerator pedal posi-
tion signal
TR R R
Closed throttle position
signal
TR R
Wide open throttle posi-
tion signal
TR
Battery voltage signal T R
Key switch signal T R
Ignition switch signal T R R
P range signal T R R R
Stop lamp switch signal R T
ABS operation signal R R T
TCS operation signal R R T
VDC operation signal R R T
Fuel consumption moni-
tor signal
TR R
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-25
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RTRR
Low beam request signal T R
Low beam status signal R T
High beam request sig-
nal
TR R
High beam status signal R T
Front fog light request
signal
TR
Day time running light
request signal
TR
Turn LED burnout status
signal
RT
Vehicle speed signal
RRT
RRRR RR TR R
Sleep wake up signal
TR RR
TR
Door switch signal R R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock sig-
nal
TR
Oil pressure switch sig-
nal

angle
sen-
sor
Uni-
fied
meter
and
A/C
amp.
ICC
sen-
sor
ABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)
Driver
seat
con-
trol
unit
IPDM
E/R