Page 161 of 364

LAYOUT DIAGRAMS - INSTRUMENT PANEL1-11
C-22 (25) Instrument panel harness / Control
harness junction
C-23 (33) J/C (6)
C-28 (2) Blower motor (vehicle with heater, manual
A/C)
(6) Blower pulse controller (vehicle with full
auto A/C)
C-29 (13) Instrument panel harness / Floor harness
(LH) junction
C-30 (11-grey*) Instrument panel harness / Floor harness
(LH) junction
C-31 (25) Instrument panel harness / Front harness
(LH) junction
C-32 (3) Instrument panel harness / Front harness
(LH) junction
C-33 (16) Instrument panel harness / Front door
harness (LH) junctionC-34 (16) Control harness / Front harness (LH)
junction
C-37 (22-yellow) 4WD-ECU
C-38 (26-yellow) 4WD-ECU
C-43 (1-grey) Control harness / Floor harness (LH)
junction
C-44 (2) Instrument panel harness / Tweeter sub-
harness junction
C-45 (2) Tweeter (LH)
C-49 (35-grey) Engine ECU
C-50 (28-grey) Engine ECU
C-51 (30-grey) Engine ECU
C-55 (2) Dummy connector
Note : The connector marked with a * is the male-side
connector. The female-side connector is coloured black.
Page 177 of 364
PART INSTALLATION POSITIONS - ECU2-7
Front ECU
Headlamp ASSY
(with built-in discharge ECU) Radiator fan
controller
Radiator ASSY
Column switch (column
ECU built into wiper
switch)
Immobiliser
ECU
Blower
unit
Blower pulse
controllerEngine ECU
Page 179 of 364
PART INSTALLATION POSITIONS - RELAY2-9
RELAYS
Fuel pump relay 3
Electric pump relay
Hydraulic unit
A/C compressor relay
Engine control relay
Ignition coil relay
Starter relayCompressor fan relay (HI)
Compressor fan relay (LO)
Horn relay
Fog lamp relay
Radiator fan control relay
M3020000400514
Page 183 of 364
PART INSTALLATION POSITIONS - INSPECTION CONNECTORS / SPARE CONNECTORS2-13
INSPECTION CONNECTORS / SPARE CONNECTORS
Front ECU
Spare connector
for fog lamp relay
Spare audio
connector
Spare generic
connectorSpare connector for
fog lamp switch
Connector for detecting
engine speed
Page 186 of 364
PART INSTALLATION POSITIONS - EARTHS2-16
Engine ECU
Exhaust cam
position sensorSunroof motor
ASSY
Page 188 of 364

3-1
SECTION 3
CIRCUIT DIAGRAMS
CONTENTS
J/B ............................................................3-4
J/C ............................................................3-6
Central Junction....................................3-11
Power Supply ........................................3-18
Starting System ....................................3-23
Ignition ...................................................3-24
Charging ................................................3-26
Engine Control ......................................3-28
Cooling ..................................................3-36
Lighting
Headlights (excl. discharge type).....................3-38
Headlights (discharge type) .............................3-42
Tail lights, position lights, licence plate
lights, lighting monitor report buzzer................3-46
Cabin lights, boot compartment lights,
ignition key cylinder illumination light,
door ajar indicator light ....................................3-50
Fog lamps ........................................................3-54
Headlight levelling system ...............................3-58
Signals
Turn signal lights, hazard warning lights .........3-60
Reversing lights ...............................................3-64
Stop lights ........................................................3-65
Horn .................................................................3-66
Meters
Needle meters..................................................3-68
Remaining fuel warning light, oil pressure
warning light, brake warning light,
seatbelt warning light .......................................3-70
Door Opening / Closing Control
Power windows ................................................3-72
Central door locking
(vehicle without keyless entry) .........................3-78
Central door locking
(vehicle with keyless entry) ..............................3-80
Temperature Control
Heater ..............................................................3-86
Manual air-conditioning ....................................3-90
Fully automatic air-conditioning .......................3-96
Vision / Safety
Windscreen washer / wipers ..........................3-104
Rear washer / wiper .......................................3-108
Demister
(vehicle with heater or manual A/C) ...............3-110
Demister, door mirror heating elements
(vehicle with full auto A/C)..............................3-112
Electric stowable remote control
door mirrors ....................................................3-114
Accessories
Spare audio connectors .................................3-118
Clock ..............................................................3-120
Cigarette lighter, ashtray illumination lamp ....3-121
Cont. on next page
Page 189 of 364
3-2
Equipment
ABS ................................................................3-122
ACD (vehicle without AYC) ............................3-130
ACD, AYC ......................................................3-138
SRS airbags, seatbelt pre-tensioners
(vehicle without front passenger airbag)........3-148
SRS airbags, seatbelt pre-tensioners
(vehicle with front passenger airbag).............3-152Sunroof ..........................................................3-154
Ignition key reminder buzzer..........................3-157
Intercooler water spray ..................................3-158
Engine immobilizer system ............................3-160
Security alarm ................................................3-162
Spare connector for fog lamp ........................3-167
Generic spare connectors..............................3-168
Page 193 of 364

CIRCUIT DIAGRAMS - J/C3-6
J/C
Note :
In the actual vehicle, any of the terminals connected inside the J/C
may be used. Therefore the terminal numbers indicated on the circuit
diagrams may not correspond to the terminal sequence in the vehicle.
• Windscreen
washer/wiper
• Turn signal
lights, hazard
lights
• Tail lights,
position lights,
licence plate
lights, lighting
monitor
warning
buzzer•Fog lamps
•Headlights
•Headlight
levelling
system
•Rear washer /
wiper
Full auto A/C
Generic spare
connector
Generic spare
connectorFog lamps
Spare audio
connector
• Demister (vehicle w/out
full auto A/C)
• Demister, door mirror
heating elements (vehicle
with full auto A/C)
• Heater
• Full auto A/C
• Manual A/CCigarette
lighter, ashtray,
illumination
light
Clock• ACD (vehicle
w/out AYC)
• ACD, AYC
Head-light
levelling systemTurn signal
lights, hazard
lights
Inter-cooler
water spray• ACD (vehicle w/out AYC)
• ACD, AYC
• Intercooler water spray
• Clock
• Cigarette lighter, ashtray
illumination lights
• Needle meters
• Turn signal lights, hazard
lights
• Demister (vehicle w/out full
auto A/C)
• Demister, door mirror heating
elements (vehicle with full
auto A/C)
• Tail lights, position lights,
licence plate lights, lighting
monitor warning buzzer
• Generic spare connector
• Fog lamps
• Full auto A/C Clock
Spare audio
connector• ACD (vehicle
w/out AYC)
• ACD, AYC
• Engine control
• Warning lights
• Needle metersGeneric
fuse
J/B
(
)
Generic
fuse