Toyota 1972 celica ta22 schematic
(For USA)
ECU
Ta22 with
Ta22 with
18RGEU
18RGEU
G
Water Temp
Sensor
BW
Psw
R
Throttle
L
Switch
B
Oxygen
Sensor
B
BW
BY
Vb
Vs
Vc
E1
ThA
E2
Fc
Air Flow Meter (AFM)
W
W
WB
WB
STA
ThA
Ox
+B
Vs
Vc
E1
#10
#20
E01
E02
Tl
Idl
IG
LR
WB
YB
Inj 1
Inj 2
Inj 3
Inj 4
To Seat belt warning buzzer
Cold Start
Control in
Head
Cold Start
Injector
To IG
Fuel Pump
relay
Fuel Pump
Turn signal &
Parking light
Headlight
Horn
To st o p
light
(For LHD Tandem master cylinder)
Ballast Resistor
2.5 Ohms
Side turn Signal Light
For USA
Vacuum Switching
Valve
Thermo Sensor
GW
-- +
GW
GW
PKB Light s/w
Brake warning light s/w
Fuse
15A
Fuse
20A
GY
GO
R
RG
RY
NOTE
FOR USA
1 --2
3--4
4--5
ADV
LB
ADV
B
TH
SP
GROUND
Unlock warning s/w (USA)
Stop light s/w
PKB Light
Battery
+
--
GO
GB
GB
GR
RW
B
TP
LR
TP
B
Fusible
link
RY
RG
R
Side Marker Light
(for USA)
2
3
HB?S
Horn Relay
(for USA)
4
Oil Pressure
Sender
s/w
W
WB
BY
LW
WB
GW
GW
ST
BW
R
Light Control Relay
D?
To IG s/w ST Terminal
Distributor
Fuse Block
Tail
15A
G
BW
BY
Ignition coil (for USA)
B
RW
YB
W
Horn
20A
Lighter
20A
R
RW
LR
LR
Radio
+
--
15A
+
--
Heater
LR
20A
GY
GO
R
RG
RY
RW
GR
R
Ignition Coil
(ex USA)
Turn
15A
IG Coil
BY
GR
BY
WB
Stop light s/w
BY
BY
R
RY
W
BY
BY
LR
RG
Wiper
15A
15A
YG
L
GY
YB
RW
RG
GR
WB
RL
GR
Ignition relay (for USA OPT)
PKB Light
GW
GW
PKR Light s/w
RY
RLTURN
GY
GB
TURN
To Ground
G
RB
RW
To Brake warning Buzzer s/w
PKB
SEATBELT
PKB Light s/w
RL
RL
Tachometer
B
Beam
E
Speedometer
Fuel Gauge
Water Temp
Gauge
YG
Ammeter & Oil
YB
B
W
YW
DE
R
PL
Clock
W/OMPOINT
ONLY
Back up
Light s/w
GW
GY
RL
GO
GB
RL
RG
RB
GW
OIL
CHG
GW
GW
To Unlock
Warning s/w
G
Neutral Safety s/w
GW
To fuse Block
(Heater fuse)
PKB
PL
B
S
E
Y
RB
WB
PL
CM1
S1
E
PL
F
B
E
Fuel
F
PL
B
TEMP
E
OK?
PL
B
A
E
WB
RB
WB
RW
G
G
RB
RB
WB
LR
BR
BW
BY
LR
Room Light
E
A
ST
PL
E
AM
ST
G
ACC
Ignition s/w
Neutral safety s/w
W
7
B
(for TOYOGLIDE)
YG
Alternator
E
N
F
B
W
WR
WG
IG
F
B
Voltage regulator
RW
RW
WL
YW
WB
N
E
L
Glove box
Light
Glove box
Light switch
WB
Window Washer
RW
Magnet antenna
LW
Radio
RW
WB
RY
RG
GR
Cigarette Lighter
D?
1
2
B
W
LR
RY
GO
GB
WB
RG
3
R
4
E
Wiper motor
M
Front
speaker
Heater Blower
Motor
Rear Speaker
LR
S
L
M
H
LR
To Cooler
Micro s/w
WB
LW
LY
LB
LW
R
To cooler Amp
L
LB
LO
LY
LW
WB
LY
GY
GR
WB
?
?
?
HORN
PL
E
B
1
4
E
W
E
L
M
H
Heater switch
R
BW
Star ter
Water Temp.
Sender Gauge
NOTE
w/Ammeter 6--7
W
6
Shift position
Indicator Light
(for TOYOGLIDE)
Car Stereo (OPT)
To Cigarette Lighter
RW
Light Spare Terminal
Cooler Magnet
Clutch
Seat Belt Warning buzzer
GW
BW
OFF
YR
To St ar t er
(ST terminal)
RG
RG
DOOR
ON
To IG s / w
(ST Terminal)
Oil Temp Gauge
PL
B
E
VE
F
Oil Temp Sender gauge
Heater Control Indicator Light
Light Control s/w
Defogger sw/ & Indicator Light
M
To Ground
E
LR
GR
2
Wiper
switch
GL
GW
S
RB
H
BP
Cooler
relay
To Door s/w
GW
G
G
RW
BW
To Back up
Light
Door Courtesy Light
RW
Door s/w
Fuel Sender gauge
Rear window Defogger
GR
GR
GW
A
Turn signal &
Headlight dimmer s/w
GY
F
Hazard
L2
L3
Turn signal Flasher
O?
TO IG
COIL
To meter light
RB
WB
Cooler volumne s/w
Indicator Light
PL
E
TURN
Co-drivers Seat
Retraction s/w
Driver Seat
G
Retraction s/w
WB
WB
GR
GW
L1
Hazard Warning Light s/w
Co-driver Seat s/w
WB
Side Marker Light (for USA)
GW
GY
RL
GO
WB
WB
GO
GO
GO
WB
GB
RL
GW
WB
GO
RL
GB
GW
Remarks:
RHD: Right hand drive
LHD: Left hand drive
s/w: Switch
PKB: Parking brake
A/T:Auto transmission
M/T: Maunal transmission
Colour codes:
R: red
G: green
L: light blue
Y: yellow
W: white
B: black
O: orange
Rear Combination
Light
Licence Plate
Lights
Proudly brought to you by Azrael and the Canberra Celica GroupProudly brought to you by Azrael and the Canberra Celica Group
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