1994 TOYOTA CAMRY check engine light

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
5CAMRY
4ACC
IG1
ST1
IG2
ST2 AM1 2
9 10 AM2
2 1
2 1
2 1
2 1
6412G 12H21G8
1G 92D 2
661A 6
2B 2
1E 14
2D12 IP3
IP19
3EF1
EB BL1C 113A 13
3C 18
1M 116 IJ1
BX14
BX15
5 4
M21
21
21
EC 15 IP3 2C 3
ACCAAA CBBBBBA A A A C C C C B B
C A AAA BB B CABB
EC ED1 11IP1
19 IP3 13 IP3C1G 3
3D 5
3D 18
3D 7 3C 51B 6
666
21 A
B
W±R W W W B
W± B
B±Y
B± O
W± RB±O
W± B
B± O B± O B±O B±O
B±O
G± Y
G±R
LG
LG
L±B
G±R
BR
B± Y
R
B
L
B± R
G± R
R
L
B
Y V±YW W± R
W± B W± BR± L
WW
BR
W± B
W± BY± G
G±W
R±W W G±R R± W G±WGR B± OL±B W± R W± R W± R
Y W±B W±B W±BB±W
B±O
BR BRW± L
BR
BR
BR
BR
R
R
G
P
R± L
GR
G± W
R±WY W G±R
W± G
BW± R W
Y W± R W± R L±B
L±B
W± BL±B B±OB± OBR BR BR BR
G±R
G±R R±W
G±W
GRB±Y
BR
R± L
271
10 9
1216
4313 2963 128
8 2 1
15 2 13 9 8 12 1
3417185
11 22 32613 15 6 8 7
1412123432 1
2
13
32 I12
IGNITION SW
100A ALT
FUSE BOX
30A
AM215A
EFI7. 5A
IGN
EF I MAI N REL AY
I1
I DLE AIR CONTROL
VALVE(
I SC VALVE)
V1
VSV(
for A/C Idle±Up) CIRCUIT OPENING
RE LA Y
E4
ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR)
I10
I NTAKE AIR TEMP. SENSOR
(
IN±AIR TEMP. SENSOR)
E1
EGR GAS TEMP. SENSOR BATTERYF15
FUEL PUMPI7
INJECTOR
NO. 4 I5
INJECTOR
NO. 2 I6
INJECTOR
NO. 3 I4
INJECTOR
NO. 1
D 1 DATA LINK CONNECTOR 1
CHECK CONNECTOR)D3DATALINK
CONNECTOR 2(
TDCL)
O2
OXYGEN SENSOR(
Sub)
K1
KNOCK SENSOR
E1 FP B TE1 TE2 VF1 W OX2TE1 TE2 ENG W STA +B +B1 ISCO ISCC ISCV
BATTE21 THW THA THG E2 PIM VC ACT ACA ELS W NE+ NE± G±
FC # 10 TE1 TE2 VF OX1 KNKOX2E01
E02 IGFIGT
SPD E2 PIM VC M1
MANIFOLD
ABSOLUTE
PRESSURE
SENSOR(
VA CCUM
SENSOR)T1
THROTTL E
POSI TI ON
SENSOR
D6
DI ODE(
for Idle±Up)
MAL FUNCT I ON
INDICATOR LAMP
(
CHE CK ENGI NE
WARNING LIGHT)
[COMB. METER]
10A
GA UGE J2
JUNCTION
CONNECTOR
Fr om Dist ributor
<2±3>
Fr om º TAILº
Fuse<16±2><17±2>
Fr om Ign it er
<2±3>
To Combination Meter
< 33±2>L±B G±R
G±R
FL MAIN
2. 0LB±O B±O
(
*1)
132 51
2
Under
the left
quar ter
pillar Instrument
panel
brace LH Front left
f enderIntake manifold
RH10
2 5 11TC ABTC AB
LG±R
Y± B G± L To Cru i se
Contr ol ECU< 24±2>
To ABS ECU
< 25±3> < 26±3>
To Cen ter
Air bag Sensor
As sembl y
< 23±4>From STARTER Fuse
< 2±1>
Fr om SRS War ning
Light[ COMB. METER]
< 23±4> From Cent er Airbag
Sensor Assembly< 23±4>
From ABS ECU
<25±2><26±3>
16TSR±G
To ABS ECU
< 25±3> < 26±3>
Intake
ma n i f o l d
LH Intake
manif old
RH 91D
18
IP1
W±R W± R
B10 12
B
IDL VT A
B± Y LG±B
To A/C
Amplifier
< 35±4> < 36±5>
21C
R± L3D 19
G±RG±R(
*2)
*2: TMCMade
11 IP1
B± O
19 IP1
7
40A AM1
6A
3
B
3
3D
3D 12
16 IP3
ED 12B± Y
14G± B
A/DFr om Cru i se
Contr ol ECU< 24±3>
From ABS ECU
< 25±2> < 26±3>
Intake
man if ol d
LH ABS
3BR
BR BRE1 E2
VC
VTA
IDL
3P
From º MIR±HTRº
Fuse< 24±4>
< 28±1>
(
*1)
Engine Control(
5S±FE Ex. A/T and California M/T) Power
Source
EGRAGV2
VSV(
for EGR Syst em)231 2B± O
B± O
G±R(
*3) R± W
A #20
25
L±B W± B
W
Y
B±Y Fro m SRS
Warning Light
[COMB. METER]
< 23±4>
*3: TMMMade
E NGI NE CONTROL MODUL E(
ENGI NE ECU) B±O
W± G W± B15B
1B
F10 A , F1 6 B
4IP1 B±W
C9 A ,C10 B
11
E1 1 A , E14 C,E12 B *1 : SHI ELDEDFor the connec tor s of t he part s listed below, s ee t he next page.
*Fus e Box
*Engine Control Module(
Engine ECU)
*Malfanc tion Indic ator Lamp(
Check Engine Warning Light)
IGG+
L
L To Cruise Control ECU
< 24±2>
B±W
O3
OXYGEN SENSOR(
Main)
1W
(
*1)
BR BR BRA
24E1BR
W(
*1)
4
R±L
4 OX 1
From Igniter
<2±3>B19IG
(
Cont. next page)

5
678
5CAMRY(
C ont' d)
ENGI NE CONT ROL MODULE(
ENGINE ECU)
12345678
16 15 14 13 12 11 10 9BDARKGRAY E1 2
6 4 3 2 1
12 115
910 8 7 E11
1234 67891011
14 15
16 17 1824 512
25 26
20 19 21 22 2313 ADARKGRAYF1 0 AFUSE BOX
E 14 C DA RK GRA Y F16 B
AMALFUNCTION I NDICATOR LAMP
(
CHECK ENGINE WARNI NG LIGHT)
[COMB. METER]
16 11 10 9 8 5 4 3 2 1 1213146 7 15 109 8 7 6 5 4 3 2 1B C9 C10
Engine Control(
5S±FE Ex. A/T and California M/T)
1 1

1
234
33 CAM RY
4ACC
IG1
ST1
IG2
ST2 AM1 2
AM2
1G 91G 3
1E 11B 6
3EF1
3D 6
1C 113C 1813 B 2C 1A 2A 11 A 16 B 4B 9B 6B 4A15 B
8A 7A 6A 8C 7C 11B 5A 4C 7B 9A 3C 12B14 1C 3A 10 A 5B 8B 3B
5IJ1 11IJ1 18IJ1
1 BX1 2 BX1 3 BX1 1 6 I P3 6 I P3 8 I P1 2IP3 11IP31D 13
3D 13
3D 121D 12
3A 10
F
F
EDIE1M 1
IG 11 4II13B 33C8 2
A 1
1C 8
1M 5 123 32
1B±Y
R± L R± L
BR
R±LR± Y
R± W
R± WV± Y
W± B W±B W±BR± W R± W R± W W±B W± B W± B R± Y R± YP LG
B(
*3) Y±GBR BR Y±L Y± R Y± R
Y± L
BR
BR BR BR BR
Y±G
B G± B
BY± L Y±R BWW
BR
I12
IGNI TION SW
100A ALT
BATTERY
10A
GAUGE
2 1
F1 5
FUEL SENDER V5
VEHICLE
SPEED SENSOR
(
SPEED SENSOR)
FUEL
FUEL
WATER
TEMP.
TACHO
ABS
SEAT BELT
CRUI SE
(
*5)
OIL
BRAKE
BULB
CHE CK See ABS Sy st e m
<25±3><26±3>
See Unloc k and
Seat Belt
War ning Sy stem
< 34±2>
Se e Cr ui se
Co nt r o l Sys t em
< 24±3>
See En gi ne
Con t r o l S ys t em
<3±3><4±4><5±4>
B2
BRAKE FLUID
LEVEL SW J2
JUNCTION
CONNECTOR
P3
PARKI NG
BRAKE SWJ2
JUNCTION
CONNECTOR
REAR LIGHT FUSE BOX
From Daytime Running
Light Relay< 10±2>
From ABS ECU< 25±4>
P2
PARKING
BRAKE SW See Stop Light
System
< 8±1> < 9±1>See Char ging
System< 2±4>
See Int erior Light
Sys tem< 10±3> < 11±2>
<13±2><14±4>
To O/D Main SW
< 6±5> < 7±5>O/D OFF
CHARGE
OPEN DOOR
METER
ILLUMINATION
POWER
TURN RH
TURN LH
SRS
HIGH BEAM Se e SRS Sy st em
< 23±3>
See Headlight System
< 8±4> < 10±3> O1
OI L P RE SS U RE SW
10 B
5IP3
1Y±B Y±B
See Headlight Syst em
<8±4><10±3> Se e SRS Sy st e m
< 23±3>See Turn Signal and
Hazard Warning Light
Syst em< 9±4> < 18±4> From Elect ronic Contr olled
Transmiss ion Patt ern
Select SW<6±4><7±4> See Illumination
System< 15±2> See Inter ior Light
System< 10±3> < 11±2>
< 13±2> < 14±4> See Char ging
System< 2±4>
Fr om º STARTERº
Fuse< 1±2> < 2±2> Fr om Engine Control Module
(
Engine and Electr onic
Cont rolled Transmission ECU)
<3±6><4±6><6±3><7±2>
Fr om Engine Control Module
(
Engine ECU)
<5±4>J1
JUNCTION
CONNECTOR
FL MAIN
2. 0L
13 9 8 7 6 5 4 3 2 1101112
16 11 10 9 8 5 4 3 2 112131467 1510 9 8 7 6 5 4 3 2 1
BAC
GRAY BLUE
COMBI NATI ON METERCOMBINATION METER
B *3: 5S±FE *2 : 1MZ± FE *1 : Canada
40A
AM1
(
US A)
Intake manifold
LHLeft kick
panel
See Illumination
System< 15±2>13 A
L±R
(
*4) (
*4) (
*4)
*4 : w/o A/T Indicator
D D
G±O G± O
(
*4) (
*4)
J2
JUNCTION
CONNECTOR
C
C
12 A
GIP3 14SPEED R± L
6
1D
22
3D
10
3BR±L
V±Y
B±W
*5 : Malfunction Indicator
Lamp(
Check Engine)
(
*4)
(
*4) (
*2) BR
(
*2)
A
ABR
(
*3)
Fr om Engine Cont rol
Module(
Engine and
Electr onic Controlled
Tr ans mis sion ECU)
<3±6>From Igniter
< 2±3>
B(
*2)
Power
SourceC o mb in a tio n M e te r
W
A
A
J7
JUNCTION
CONNECTOR
1
W2
WATER TEMP. SENDER
1B 1A
1C
F10 A , F16 C,B
C9C8
C8 A ,C10 C,C9 BC10
A (
1 MZ± FE)
F10FUSE BOX
1 C F1 61
Ins trument panel
brace LHB (
5S±FE)
F10FUSE BOX (
*2)
(
*3)3D10
V±Y
Fr om Cr uise
Control ECU< 24±2>
3D 83B12
R± W
R± Y
From Cruis e Contr ol
ECU< 24±3>