Page 649 of 788

CENTRALIZED JUNCTION
CIRCUIT DIAGRAMS90-11
20 Front-ECU (Tail lamp
relay)Fuse 7.5 Brown A/C-ECU, ashtray illumination lamp,
cigarette lighter illumination lamp,
combination meter, fog lamp switch,
front turn signal lamp, hazard warning
switch, headlamp assembly (RH),
headlamp levelling switch, heated
seat switch, heater control unit,
licence plate lamp, rear combination
lamp, rheostat, side turn signal lamp
and spare connector (for audio)
21 7.5 Brown Combination meter, headlamp
assembly (LH), licence plate lamp,
position lamp (LH) and rear
combination lamp (LH)
22 Battery/ Alternator
(Fusible link No.26)10 Red Combination meter, column switch,
ETACS-ECU and front-ECU
23 Ignition switch (ACC) 10 Red Clock, ETACS-ECU and spare
connector (for audio)
24
−−−−
25 Battery/ Alternator
(Fusible link No.26)20 Yellow Heated seat assembly and heated
seat switch
26 Alternator Fusible
link100 <4G1>
120 <4G6>−Battery, fusible link No.1, 2, 3, 4, 5,
fuse No.6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 22 (relay box) and front-ECU No. Power supply circuit Name Rated
capacity (A)Housing
colourLoad circuit
AC208462
Front of vehicle
(Relay box in engine compartment)
1
6
7 8 9 10 1112 13141524
4 25
2316
1718
1920
2123 225
AO
Page 650 of 788

CENTRALIZED JUNCTION
CIRCUIT DIAGRAMS90-12
PASSENGER COMPARTMENT
AC207745
(Connected directly to battery positive terminal)
Front of vehicle26
AF
No. Power supply circuit Name Rated
capacity (A)Housing
colourLoad circuit
1 Ignition switch (IG1) Fuse 10 Red Capacitor and ignition coil
2 7.5 Brown ABS warning lamp, brake warning
lamp, charging warning lamp, check
engine warning lamp, column switch,
combination meter, ETACS-ECU, low
fuel warning lamp, oil pressure
warning lamp, SRS air bag warning
lamp, SRS-ECU and vehicle speed
sensor
3 7.5 Brown A/T control relay, combination meter,
engine-A/T-ECU, ETACS-ECU, input
shaft speed sensor, output shaft
speed sensor, rear combination lamp
and SRS-ECU
4
−−−
5 Ignition switch (IG2) 7.5 Brown A/C compressor relay, A/C-ECU,
blower relay, rear window defogger
relay, front-ECU, heated seat relay,
heater control unit and outside/inside
air selection damper control motor
6 Rear window
defogger relay7.5 Brown Remote controlled mirror
7 Ignition switch (ACC) 20 Yellow Front-ECU and windshield wiper
motor
8 Ignition switch (IG1) 7.5 Brown Engine-A/T-ECU, engine-ECU, fuel
pump relay (1) and fuel pump relay (2)
9 Ignition switch (ACC) 15 Blue Cigarette lighter
10
−−−
11 7.5 Brown Accessory socket relay and Remote
controlled mirror
12 Ignition switch (IG2) 7.5 Brown ABS-ECU
13 Ignition switch (ACC)
−−−
14 15 Blue ETACS-ECU and rear wiper motor
Page 665 of 788
CHARGING SYSTEM
CIRCUIT DIAGRAMS90-27
CHARGING SYSTEM
M1901000701185
IGNITION
SWITCH (IG1)
BATTERY
ENGINE-
ECU
COMBINATION
METER
ALTERNATOR
S TAT O R
COILFIELD
COIL
IC VOLTAGE REGULATORNOTE: LHD
: RHD
RELAY BOX
·FRONT FOG
LAMP
·REAR FOG
LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD
WIPER AND
WASHER ·HEADLAMP
·REAR WIPER
AND WASHER
<4G1>
FUSIBLE
LINK26
Page 666 of 788
Page 667 of 788
ENGINE CONTROL SYSTEM <4G1-M/T (LHD)>
CIRCUIT DIAGRAMS90-29
ENGINE CONTROL SYSTEM <4G1-M/T (LHD)>
M1901000802301
IGNITION
SWITCH (IG1)
ENGINE-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL
TANK
PUMP
NOTE
: SEDAN
: WAGON
IGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
BACK-UP
POWER SOURCE POWER
SOURCE
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Grey R : Red P : Pink V : Violet
Page 669 of 788
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)>
CIRCUIT DIAGRAMS90-31
ENGINE CONTROL SYSTEM <4G1-M/T (RHD)>
M1901000802312
IGNITION
SWITCH (IG1)
ENGINE-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL
TANK
PUMP
NOTE
: SEDAN
: WAGONIGNITION
SWITCH (ST)
STARTING
SYSTEM
·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Grey R : Red P : Pink V : Violet
·IGNITION
SYSTEM
·IMMOBILIZER
SYSTEM
BACK-UP
POWER SOURCE
·FRONT FOG LAMP
·HEADLAMP :
·TAIL LAMP, POSITION LAMP,
LICENCE PLATE LAMP AND
LIGHTING MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD WARNING LAMP
·WINDSHIELD
WIPER AND WASHER ·REAR FOG LAMP
·REAR WIPER AND WASHER
Page 671 of 788
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)>
CIRCUIT DIAGRAMS90-33
ENGINE CONTROL SYSTEM <4G1-A/T (LHD)>
M1901000802323
IGNITION
SWITCH (IG1)
ENGINE-
A/T-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
RELAY
BOX
FUEL
TANK
PUMP
NOTE
: SEDAN
: WAGON
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
ENGINE
CONTROL
RELAY
POWER
SOURCE
BACK-UP
POWER SOURCE
INHIBITOR
SWITCH
Page 673 of 788
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)>
CIRCUIT DIAGRAMS90-35
ENGINE CONTROL SYSTEM <4G1-A/T (RHD)>
M1901000802334
IGNITION
SWITCH (ST)
STARTING
SYSTEM ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONER
POWER
SOURCEBACK-UP
POWER SOURCEINHIBITOR
SWITCH ENGINE
CONTROL
RELAY
·IGNITION
SYSTEM
·IMMOBILIZER
SYSTEM
NOTE
: SEDAN
: WAGON
·FRONT FOG LAMP
·HEADLAMP :
·TAIL LAMP, POSITION LAMP,
LICENCE PLATE LAMP AND
LIGHTING MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD WARNING LAMP
·WINDSHIELD
WIPER AND WASHER ·REAR FOG LAMP
·REAR WIPER AND WASHERIGNITION
SWITCH (IG1)
ENGINE-
A/T-ECUFUEL
PUMP
RELAY
(1)FUEL
PUMP
RELAY
(2)
COMBINATION
METERBATTERY FUSIBLE
LINK1
FUEL
TANK PUMP
RELAY
BOX