90-1
GROUP 90
CIRCUIT DIAGRAMS
CONTENTS
J/B . . . . . . . . . . . . . . . . . . . . . . . . . . .90-4
J/C
J/C
CENTRALIZED JUNCTION . . . . . . . .90-10
POWER DISTRIBUTION SYSTEM
POWER DISTRIBUTION SYSTEM
STARTING SYSTEM
STARTING SYSTEM . . . . . . . .90-20
IGNITION SYSTEM
<4G1-M/T (LHD)>. . . . . . . . . . . . . . . .90-21
IGNITION SYSTEM
<4G1-M/T (RHD)> . . . . . . . . . . . . . . .90-22
IGNITION SYSTEM
<4G1-A/T (LHD)> . . . . . . . . . . . . . . . .90-23
IGNITION SYSTEM
<4G1-A/T (RHD)>. . . . . . . . . . . . . . . .90-24
IGNITION SYSTEM <4G6 (LHD)> . . .90-25
IGNITION SYSTEM <4G6 (RHD)> . . .90-26
CHARGING SYSTEM
ENGINE CONTROL SYSTEM
<4G1-M/T (LHD)> . . . . . . . . . . . . . . . .90-29
ENGINE CONTROL SYSTEM
<4G1-M/T (RHD)> . . . . . . . . . . . . . . . .90-31
ENGINE CONTROL SYSTEM
<4G1-A/T (LHD)> . . . . . . . . . . . . . . . .90-33
ENGINE CONTROL SYSTEM
<4G1-A/T (RHD)> . . . . . . . . . . . . . . . .90-35
ENGINE CONTROL SYSTEM
<4G6 (LHD)> . . . . . . . . . . . . . . . . . . . .90-37
ENGINE CONTROL SYSTEM
<4G6 (RHD)> . . . . . . . . . . . . . . . . . . .90-39
COOLING SYSTEM
COOLING SYSTEM
INVECS-II 4A/T
INVECS-II 4A/T
HEADLAMP
HEADLAMP
Continued on next page
J/C
CIRCUIT DIAGRAMS90-7
J/C
J/C
FRONT FOG
LAMP
·FRONT
FOG LAMP·FRONT FOG
LAMP
REAR FOG
LAMP
·REAR FOG
LAMP·REAR FOG
LAMP
HEATED
SEAT
HEATED
SEATIMMOBILIZER
SYSTEM·CLOCK·HEATER TURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP
TURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP ·MANUAL AIR
CONDITIONER
·HEATER
·MANUAL AIR
CONDITIONER ·HEADLAMP·HEADLAMP
·HEADLAMP
WASHER
ACCESSORY
SOCKET·CENTRAL
DOOR LOCKING
SYSTEM
·POWER WINDOWS
·REAR WIPER
AND WASHER
·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER
HEADLAMP
LEVELLING
SYSTEM
·INVECS-II 4A/T
·METER AND
GAUGECIGARETTE
LIGHTER AND
ASHTRAY
ILLUMINATION
LAMP
SPARE
CONNECTOR
(FOR AUDIO)·REAR WINDOW
DEFOGGER AND
DOOR MIRROR
HEATERRHEOSTAT
·FRONT FOG
LAMP
·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP ·HEADLAMP
·HEADLAMP
WASHER ·CENTRAL
DOOR LOCKING
SYSTEM
·POWER WINDOWS
·REAR WIPER
AND WASHER
·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER
J/C (6)DIAGNOSIS
CONNECTOR
DIAGNOSIS
CONNECTOR SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)ABS
·ENGINE
CONTROL
SYSTEM
·IMMOBILIZER
SYSTEM
·INVECS-II
4A/T
·FRONT FOG
LAMP·FRONT FOG
LAMP
FRONT FOG
LAMP
·TURN-SIGNAL
LAMP AND HAZARD
WARNING LAMP ·HEADLAMP
WASHER·ROOM LAMP AND
LUGGAGE
COMPARTMENT
LAMP
·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD WIPER
AND WASHER·WINDSHIELD
WIPER AND
WASHER
WINDSHIELD
WIPER AND
WASHER
DIAGNOSIS
CONNECTOR·METER AND
GAUGE
·METER AND
GAUGEMETER AND
GAUGESPARE
CONNECTOR
(FOR AUDIO)
SPARE
CONNECTOR
(FOR FRONT
FOG LAMP)·SPARE
CONNECTOR
(FOR FRONT
FOG LAMP) CLOCK(FUSE )
23
(FUSE )2
RELAY
BOX
·REAR FOG
LAMP
·REAR WIPER AND
WASHER ·ABS
·BRAKE
WARNING LAMP
·CHARGING
SYSTEM
·ENGINE
CONTROL
SYSTEM
·FUEL WARNING
LAMP
·INVECS-II
4A/T
·SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS) ·OIL PRESSURE
WARNING LAMPJ/B
(FUSE )
11J/B ACCESSORY
SOCKET
REMOTE
CONTROLLED
MIRROR
J/C (4)
ABS
ABSENGINE
CONTROL
SYSTEM
ENGINE
CONTROL
SYSTEM·ENGINE
CONTROL
SYSTEM
·ENGINE
CONTROL
SYSTEMMETER AND
GAUGE
(FUSE )10RELAY
BOX
(FUSE )
8RELAY
BOX INVECS-II
4A/T
IMMOBILIZER
SYSTEM·COOLING
SYSTEM
·METER AND
GAUGE·IGNITION
SYSTEM ·ENGINE
CONTROL
SYSTEM
·METER AND
GAUGE·IGNITION
SYSTEM
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
POWER DISTRIBUTION SYSTEM
CIRCUIT DIAGRAMS90-15
POWER DISTRIBUTION SYSTEM
M1901000401106
·CENTRAL DOOR
LOCKING SYSTEM
·CLOCK
·FRONT FOG LAMP
·FUEL WARNING
LAMP
·HEADLAMP
·HEADLAMP
LEVELLING SYSTEM
·INVECS-II 4A/T
·KEY REMINDER
BUZZER
·METER AND GAUGE
·POWER WINDOWS
·REAR FOG LAMP
·REAR WIPER AND
WASHER
·ROOM LAMP AND
LUGGAGE COM-
PARTMENT LAMP
·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·SPARE CONNECTOR
(FOR AUDIO)
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD WIPER
AND WASHERENGINE
CONTROL
SYSTEM
INVECS-II
4A/TTURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP
CHARGING
SYSTEMACCESSORY
SOCKET
·ABS
·INVECS-II
4A/T
·STOP LAMP·HEATER
·MANUAL AIR
CONDITIONER
·COOLING
SYSTEM
·ENGINE
CONTROL
SYSTEM
·IGNITION SYSTEM
·IMMOBILIZER
SYSTEM
·INVECS-II 4A/THORN ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONERABS
POWER
WINDOWS CHARGING
SYSTEMSTARTING
SYSTEM
BATTERY
RELAY
BOX FUSIBLE
LINK
·REAR WINDOW
DEFOGGER AND DOOR
MIRROR HEATER
·RHEOSTAT
·SPARE CONNECTOR
(FOR AUDIO)
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP AND
HAZARD WARNING LAMP ·CIGARETTE LIGHTER
AND ASHTRAY
ILLUMINATION LAMP
·FRONT FOG LAMP
·HEATER
·HEADLAMP
LEVELLING SYSTEM
·INVECS-II 4A/T
·MANUAL AIR
CONDITIONER
·METER AND GAUGE
·REAR FOG LAMP HEADLAMP
LEVELLING
SYSTEMHEADLAMP
HEADLAMP ·FRONT FOG
LAMP
·SPARE
CONNECTOR
(FOR FRONT
FOG LAMP)
FRONT-ECU
HEADLAMP
RELAY: LOHEADLAMP
RELAY: HITAIL LAMP
RELAY
·HEADLAMP
·HEADLAMP
LEVELLING
SYSTEMTAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
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
: 4G1
: 4G6 NOTE
HEATED
SEAT
POWER DISTRIBUTION SYSTEM
CIRCUIT DIAGRAMS90-16
POWER DISTRIBUTION SYSTEM
POWER DISTRIBUTION SYSTEM
RELAY BOX
IGNITION
SWITCHRELAY
BOX
·CLOCK
·ROOM LAMP AND LUGGAGE
COMPARTMENT LAMP
·ROOM LAMP
AND LUGGAGE
COMPARTMENT
LAMP·ROOM LAMP, PERSONAL LAMP
AND LUGGAGE ROOM LAMP
·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP·SPARE CONNECTOR
(FOR AUDIO)
STARTING
SYSTEM
IGNITION
SYSTEM·ENGINE
CONTROL
SYSTEM ·ENGINE CONTROL
SYSTEM
·INVECS-II
4A/T ·INVECS-II 4A/T
·INVECS-II 4A/T·BACK-UP LAMP
·METER AND
GAUGE
·REAR WIPER AND
WASHER
·SUPPLEMENTAL
RESTRAINT SYSTEM
(SRS)
·SUPPLEMENTAL
RESTRAINT
SYSTEM (SRS)·WINDSHIELD
WIPER AND WASHER ·ABS
·BRAKE WARNING
LAMP
·CENTRAL DOOR
LOCKING SYSTEM
·CHARGING
SYSTEM
·ENGINE CONTROL
SYSTEM
·FRONT
FOG LAMP
·FUEL WARNING
LAMP
·HEADLAMP
·HEADLAMP
WASHER
·KEY REMINDER
BUZZER
·METER AND
GAUGE
·OIL PRESSURE
WARNING LAMP
·POWER WINDOWS·REAR FOG LAMP
·REAR WIPER
AND WASHER
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD
WIPER AND WASHER
4FUSIBLE
LINK
REAR WIPER
AND WASHER ·ACCESSORY
SOCKET
·REMOTE
CONTROLLED
MIRROR CIGARETTE
LIGHTER AND
ASHTRAY
ILLUMINATION
LAMP ABS WINDSHIELD
WIPER AND
WASHER
·FRONT
FOG LAMP
·HEADLAMP
·REAR
FOG LAMP
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·WINDSHIELD
WIPER AND WASHER ·HEADLAMP
LEVELLING
SYSTEM
·HEATED SEAT
·HEATER
·MANUAL AIR
CONDITIONER
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
REAR
WINDOW
DEFOGGER
RELAY
REAR FOG
LAMP·HEATER
·MANUAL
AIR
CONDITIONER
(FUSIBLE LINK )1RELAY BOX
REAR WINDOW
DEFOGGER AND
DOOR MIRROR
HEATER
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
·ABS
·CENTRAL DOOR
LOCKING SYSTEM
·ENGINE CONTROL
SYSTEM
·FRONT FOG LAMP
·HEADLAMP
·HEADLAMP WASHER
·IMMOBILIZER SYSTEM
·INVECS-II 4A/T
·KEY REMINDER BUZZER
·POWER WINDOWS
·REAR FOG LAMP
·REAR WIPER AND
WASHER
·ROOM LAMP
AND LUGGAGE
COMPARTMENT LAMP
·ROOM LAMP,
PERSONAL LAMP AND
LUGGAGE ROOM LAMP
·SUPPLEMENTAL
RESTRAINT SYSTEM (SRS)
·TAIL LAMP,
POSITION LAMP,
LICENCE PLATE LAMP
AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP AND
HAZARD WARNING LAMP
·WINDSHIELD WIPER
AND WASHER
FUSE 5
POWER DISTRIBUTION SYSTEM
CIRCUIT DIAGRAMS90-17
POWER DISTRIBUTION SYSTEM
M1901000401117
·CENTRAL DOOR
LOCKING SYSTEM
·CLOCK
·FRONT FOG LAMP
·FUEL WARNING
LAMP
·HEADLAMP
·HEADLAMP
LEVELLING SYSTEM
·INVECS-II 4A/T
·KEY REMINDER
BUZZER
·METER AND GAUGE
·POWER WINDOWS
·REAR FOG LAMP
·REAR WIPER AND
WASHER
·ROOM LAMP AND
LUGGAGE COM-
PARTMENT LAMP·ROOM LAMP,
PERSONAL LAMP
AND LUGGAGE
ROOM LAMP
·SPARE CONNECTOR
(FOR AUDIO)
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP
AND HAZARD
WARNING LAMP
·WINDSHIELD WIPER
AND WASHERENGINE
CONTROL
SYSTEM
INVECS-II
4A/TTURN-SIGNAL
LAMP AND
HAZARD
WARNING LAMP
CHARGING
SYSTEMACCESSORY
SOCKET
·ABS
·INVECS-II
4A/T
·STOP LAMP·HEATER
·MANUAL AIR
CONDITIONER
·COOLING
SYSTEM
·ENGINE
CONTROL
SYSTEM
·IGNITION SYSTEM
·IMMOBILIZER
SYSTEM
·INVECS-II 4A/THORN ·COOLING
SYSTEM
·MANUAL AIR
CONDITIONERABS
POWER
WINDOWS STARTING
SYSTEM
BATTERY
RELAY
BOX FUSIBLE
LINK
RELAY
BOX
·REAR WINDOW
DEFOGGER AND DOOR
MIRROR HEATER
·RHEOSTAT
·SPARE CONNECTOR
(FOR AUDIO)
·TAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
·TURN-SIGNAL LAMP AND
HAZARD WARNING LAMP ·CIGARETTE LIGHTER
AND ASHTRAY
ILLUMINATION LAMP
·FRONT FOG LAMP
·HEATER
·HEADLAMP
LEVELLING SYSTEM
·INVECS-II 4A/T
·MANUAL AIR
CONDITIONER
·METER AND GAUGE
·REAR FOG LAMP HEADLAMP
LEVELLING
SYSTEMHEADLAMP
HEADLAMP ·FRONT FOG
LAMP
·SPARE
CONNECTOR
(FOR FRONT
FOG LAMP)
FRONT-ECU
HEADLAMP
RELAY: LOHEADLAMP
RELAY: HITAIL LAMP
RELAY
·HEADLAMP
·HEADLAMP
LEVELLING
SYSTEMTAIL LAMP, POSITION
LAMP, LICENCE PLATE
LAMP AND LIGHTING
MONITOR BUZZER
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
: 4G1
: 4G6 NOTE
CHARGING
SYSTEM
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
CHARGING SYSTEM
CIRCUIT DIAGRAMS90-28
CHARGING SYSTEM
M1901000701196
IGNITION
SWITCH (IG1)
BATTERY
ENGINE-A/T-ECU
COMBINATION
METER
ALTERNATOR
S TAT O R
COILFIELD
COIL
IC VOLTAGE REGULATOR
NOTE: 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
FUSIBLE
LINK26