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POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
A
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
SECTION PG B
C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . GROUND .................................................................. 30
. F
Precautions for Battery Service ............................... 3 . Ground Distribution ................................................ 30
.
POWER SUPPLY ROUTING CIRCUIT ..................... 4 . MAIN HARNESS ................................................ 30 .
Schematic ............................................................... 4
. ENGINE ROOM HARNESS ............................... 33 . G
Wiring Diagram -- POWER -- ................................ 5 . ENGINE CONTROL HARNESS ......................... 35 .
BATTERY POWER SUPPLY -- IGNITION SW. BODY HARNESS ............................................... 36 .
IN ANY POSITION ............................................... 5 . BODY NO.2 HARNESS ..................................... 38 .
H
ACCESSORY POWER SUPPLY -- IGNITION HARNESS ................................................................ 40
.
SW. IN "ACC" OR "ON" ...................................... 10 . Harness Layout ..................................................... 40
.
IGNITION POWER SUPPLY -- IGNITION SW. HOW TO READ HARNESS LAYOUT ................ 40 .
IN "ON" AND/OR "START" ..................................11 . OUTLINE ............................................................ 41
. I
Fuse ...................................................................... 16
. MAIN HARNESS ................................................ 42 .
Fusible Link ........................................................... 16
. ENGINE ROOM HARNESS ............................... 44 .
Circuit Breaker ...................................................... 16
. ENGINE CONTROL HARNESS ......................... 48 . J
IPDM E/R (INTELLIGENT POWER DISTRIBUTION BODY HARNESS ............................................... 50 .
MODULE ENGINE ROOM) ..................................... 17 . BODY NO.2 HARNESS ..................................... 53 .
System Description ............................................... 17 . ROOM LAMP HARNESS ................................... 55 .
PG
SYSTEMS CONTROLLED BY IPDM E/R .......... 17 . DOOR HARNESS .............................................. 56 .
CAN COMMUNICATION LINE CONTROL ........ 17 . Wiring Diagram Codes (Cell Codes) ..................... 57 .
IPDM E/R STATUS CONTROL .......................... 18 . ELECTRICAL UNITS LOCATION ........................... 60 .
CAN Communication System Description ............. 18 . Electrical Units Location ........................................ 60 . L
CAN Communication Unit ..................................... 18 . ENGINE COMPARTMENT ................................. 60 .
Function of Detecting Ignition Relay Malfunction ... 18 PASSENGER COMPARTMENT ........................ 61 .
CONSULT-II .......................................................... 19. LUGGAGE COMPARTMENT ............................. 63 . M
CONSULT-II BASIC OPERATION ...................... 19 . HARNESS CONNECTOR ........................................ 64 .
SELF-DIAG RESULTS ....................................... 20 . Description ............................................................. 64
.
DATA MONITOR ................................................ 21 . HARNESS CONNECTOR (TAB-LOCKING
ACTIVE TEST .................................................... 22 . TYPE) ................................................................. 64
.
Auto Active Test .................................................... 23. HARNESS CONNECTOR (SLIDE-LOCKING
DESCRIPTION ................................................... 23 . TYPE) ................................................................. 65
.
OPERATION PROCEDURE .............................. 23 . ELECTRICAL UNITS ............................................... 66 .
INSPECTION IN AUTO ACTIVE TEST MODE ... 23 Terminal Arrangement ........................................... 66 .
Schematic ............................................................. 25
. SMJ (SUPER MULTIPLE JUNCTION) .................... 67 .
IPDM E/R Terminal Arrangement .......................... 26 . Terminal Arrangement ........................................... 67 .
IPDM E/R Power/Ground Circuit Inspection ......... 27 . STANDARDIZED RELAY ......................................... 69 .
Inspection With CONSULT-II (Self-Diagnosis) ...... 28 . Description ............................................................. 69
.
Removal and Installation of IPDM E/R .................. 29 . NORMAL OPEN, NORMAL CLOSED AND
REMOVAL .......................................................... 29 . MIXED TYPE RELAYS ....................................... 69 .
INSTALLATION .................................................. 29 . TYPE OF STANDARDIZED RELAYS ................ 69 .
PG-1
FUSE BLOCK - JUNCTION BOX (J/B) ................... 71 . FUSE, FUSIBLE LINK AND RELAY BOX ...............72 .
Terminal Arrangement ........................................... 71
. Terminal Arrangement ............................................72
.
PG-2
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Battery Service AKS003RH
Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the B
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
C
D
E
F
G
H
I
J
PG
L
M
PG-3
POWER SUPPLY ROUTING CIRCUIT
POWER SUPPLY ROUTING CIRCUIT PFP:24110
Schematic AKS003HW
TKWM1409E
PG-4
POWER SUPPLY ROUTING CIRCUIT
Wiring Diagram -- POWER -- AKS003HX
BATTERY POWER SUPPLY -- IGNITION SW. IN ANY POSITION A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM1410E
PG-5
POWER SUPPLY ROUTING CIRCUIT
TKWM1411E
PG-6
POWER SUPPLY ROUTING CIRCUIT
A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM0937E
PG-7
POWER SUPPLY ROUTING CIRCUIT
TKWM0938E
PG-8
POWER SUPPLY ROUTING CIRCUIT
A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM1071E
PG-9
POWER SUPPLY ROUTING CIRCUIT
ACCESSORY POWER SUPPLY -- IGNITION SW. IN "ACC" OR "ON"
TKWM0941E
PG-10
POWER SUPPLY ROUTING CIRCUIT
IGNITION POWER SUPPLY -- IGNITION SW. IN "ON" AND/OR "START"
A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM0942E
PG-11
POWER SUPPLY ROUTING CIRCUIT
TKWM1412E
PG-12
POWER SUPPLY ROUTING CIRCUIT
A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM0944E
PG-13
POWER SUPPLY ROUTING CIRCUIT
TKWM0945E
PG-14
POWER SUPPLY ROUTING CIRCUIT
A
B
C
D
E
F
G
H
I
J
PG
L
M
TKWM1413E
PG-15
POWER SUPPLY ROUTING CIRCUIT
Fuse AKS003HY
q If fuse is blown, be sure to eliminate cause of incident before
installing new fuse.
q Use fuse of specified rating. Never use fuse of more than speci-
fied rating.
q Do not partially install fuse; always insert it into fuse holder prop-
erly.
q Remove fuse for "ELECTRICAL PARTS (BAT)" if vehicle is not
used for a long period of time.
CEL083
Fusible Link AKS003HZ
A melted fusible link can be detected either by visual inspection or by
feeling with finger tip. If its condition is questionable, use circuit
tester or test lamp.
CAUTION:
q 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.
q Never wrap outside of fusible link with vinyl tape. Important:
Never let fusible link touch any other wiring harness, vinyl
or rubber parts. CKIT0163E
Circuit Breaker AKS003I0
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.
SEL109W
PG-16
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PFP:284B7 A
System Description AKS00A37
q IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block B
which were originally placed in engine compartment. It controls integrated relay via IPDM E/R control cir-
cuit.
q IPDM E/R-integrated control circuit performs ON-OFF operation of relay, CAN communication control, oil
pressure switch signal reception, etc. C
q It controls operation of each electrical part via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R-integrated relays can be removed. D
SYSTEMS CONTROLLED BY IPDM E/R
1. Lamp control E
Using CAN communication line, it receives signal from BCM and controls the following lamps:
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