1994 TOYOTA CAMRY check engine

101
* 2 : TMM MADE *
1:TMCMADE
AB
8913 415
146 212 1
23 IP313
IP11
IP3196 62C A6
666
M
5 4 I18
I18I18 I18 I18
IP3 15IP1 4
BX1 4IJ1 16IP3 18
BX1 5
BL IG 2 1
ECB 15 B7B8A2
C
B 1B6C43
GR
G±W
R±W B±O
B±W B±W B±WB±O L±B
G±R
W±B W±B W±BW±B W±B L±B L±BBRR±W G±WGR
L±BBR R±LW
B±O W BRR±L
W
G±R
L±B
W±R
B±O
B±O
G±R
Y±G
G±W
R±W
(
SHIELDED)G±RL±B
R±LW
BR
BR GR
G±W
R±WTE1 TE2 VF1 OX1 OX2 E1
B±O B±W
W±RD1
OX2 OX1 FCTE1 TE2 VF STAWB FP
E11 , E12 , E14
N1
F15
O3
O2FROM POWER SOURCE SYSTEM(
SEE PAGE 64)
10A
STARTER
DATA LINK CONNECTOR 1
(
CHECK CONNECTOR)
CIRCUIT
OPENING
RELAY
NOISE FILTER
(
FOR I GNITI ON
SYSTEM)
OXYGEN SENSOR
(
SUB)OXYGEN SENSOR
(
MAIN)FUEL
PUMP ENGINE CONTROL MODULE(
ENGINE ECU) IG± 19 B
BR(
SHIELDED) IP119
ED 2 11 IP316
BR BR(
SHIELDED)
(
SHIELDED)
R±L
BR BR
BR
BR
B±W
(
*2)(
*1)
B±W
E17
3C 2
3D 23B
3A 13
3C 18
1C 11
1M 1

199
3
3C
28D 6 C 1
234I6
I18 I18
C
D B 20 A32 B7B1B22
C 5D 6D 3
D 112 1
BRG±OR±L L±R R±L
L±R BR BR
GR±B G±W
G± OL±R B±Y L±WG
BR
BR
R±L R±L
L±R L±RL±R
G±O THW IDL VTA VCP E2
L±W
L±WII2 4
R±L ENGINE COOLANT TEMP.
SENSOR(
EFI WATER
TEMP. SENSOR)
FROM
CRUISE CONTROL ECU
THROTTLE POSITION
SENSORFROM POWER SOURCE SYSTEM(
SEE PAGE 64)
JUNCTION
CONNECTOR
POWER
NORMAL ELECTRONIC CONTROLLED
TRANSMISSION
PATTERN SELECT SW
TE 2 TE1OD2
E1 TE 2 TE1
DA TA LINK CONNECTOR 1
(
CHECK CONNECTOR)JUNCTION
CONNECTOR D 12
SPEED
IP3 11 IP314 5124
G±B
G
23
1 VEHICLE SPEED
SENSOR
(
SPEED SENSOR)
LGP
R±L SP1
COMBINATION
METER
V5C8 T1
J3
E6E4
J1
D1I18II1 6
L±R TO
COMBINATION
METERL±R
IN1 6IN13
R±L
B E7 ,E8
AC,E9
ENGINE CONTROL MODULE(
ENGINE AND ELECTRONIC CONTROLLED TRANSMISSION ECU)
FROM
COOLING FAN ECU
L
D ,E10
IP 1 1
G± W
V±Y V±Y
AA
JUNCTION
CONNECTOR J7
BR
1K 81D6
3D 223D 10
10A
GAUGE

205
* 2 : W/O A/T INDICATOR LIGHT *
1 : W/ A/T INDICATOR LIGHT
*
3 : EX. CALIFORNIA
CB
II1 6
IQ1 7IQ18IQ114 IQ113 II15IQ19 IP3 1 L2DNRP
43109872
I18
I6 I6
I13
I18 II24
B 7TT
A 7OD2 B 4
THWA 6
PA 19
LA 18
2
IF 96 3
3
B DC
B 17 5 9DD 6C
8131110 7 5 4 3 C
2 1R±L R±L R±L
L±R
BR
BR±B
G±O
BRW±B G±OR±L
L±R
L±R
L±R LG
L±R
Y±L
O
R±L
L±R
Y±L
O
B±O
R
R±B
G±W G±WR±BR B±OOY±L Y±L
O
R±L W±BG±O BR±B BR±B
G±O
G±O
BR
W±B
FROM POWER SOURCE SYSTEM(
SEE PAGE 64)
POWER
NORMAL ENGINE COOLANT TEMP. SNESOR
(
EFI WATER TEMP. SENSOR)
JUNCTION
CONNECTOR
JUNCTION
CONNE CTOR O/D MAIN SW A/T INDICATOR LIGHT
[COMB. METER]A/T INDICATOR SW
[PA RK/NEUTRA L
POSITION SW
(
NEUTRAL START SW)
] JUNCTION
CONNECTOR
DA TA LINK
CONNE CTOR 1
(
CHECK CONNE CTOR)DATA LINK
CONNECTOR 2
(
TDCL) TT ECT
E1 TT
ELECTRONIC
CONTROLLE D
TRANSMISSION
PATTERN SELECT SW
R±B
ENGINE CONTROL MODULE
(
ENGINE A ND E LE CTRONIC
CONTROLLED TRANSMISSION
ECU)
C11
O5
J2
D1D3J1 E7 , E8 ,E10
E4
P1
E6
J3
A
3 1 IP1 15
BR±B
I18 IP3 2
R±LR±L
R±L
R±L
R±L
O Y±L
P R
N
D2 L POWER O/D OFF
B
BR3E1II1 2
G±O
(
*1)
(
*1)(
*1)
(
*1)
(
*1)
(
*1)
(
*1)
(
*1)
(
*1)
(
*1)
I1
R±B
R±B
TO BA CK± UP LI GHT
I18 TO
COMBINATION METER
L±RIN16
R±L
IN13
L±R
(
*2)TO GENERATOR
(
ALTERNATOR)R±L
IP 16
IP 113
1K 8GE
1D6
10A
GAU
3D12
3D3

237
*
1 : W/O A/T INDICATOR LIGHT
* 2 : W/ A/T INDICATOR LIGHT
*
3 : MALFUNCTION INDICATOR LAMP
(
CHECK ENGINE WARNING LIGHT)
*7 : 5S±FE *
6 : 1MZ±FE * 5 : TMM MADE
*
4:TMCMADE
AB
C
COMBINATION METER1
IEIF 2 1B 15 B3B9B13
B 12B 8B14 C 1 C 3 A 9A 10C 2
II1 4
11B DE 18 A
FB E D
8 A
FAFROM POWER SOURCE SYSTEM(
SEE PAGE 64)
B±W
R±Y
R±GW±R Y±G B±W
B±O G± L
G±R
R±Y R±Y W±BG±RG± L
±B W±B
R±W R±W
R±W
G±O
Y
B±Y
R±BB±YY G±O R±Y
R±Y
R±W 10A
STARTER
TO LIGHT FAILURE
SENSOR
FROM º HEAD RHº FUSE
FROM º HEAD(
UP R±RH)
ºFUSE
(
CA NADA) (
USA) CRUISE
(
*3)
BRAKE
BULB
CHECK
RE AR LIGHT
O/D OFF
CHARGE
SRS
HIGH BEAM
PKB BRK
TOO/DMAINSW
TO GENERATOR(
ALTERNATOR)
TO CENTER AIRBAG
SENSOR ASSEMBLY
TO DIMMER SW
[COMB. SW] TO CRUISE CONTROL ECU
TO E NGINE CONTROL MODULE
(
ENGINE AND ELECTRONIC CONTROLLED
TRANSMISSION ECU)(
A/T)
TO E NGINE CONTROL MODULE
(
ENGINE ECU)(
M/T)
BRAKE FLUID
LEVEL SWJUNCTION
CONNECTOR
JUNCTION
CONNE CTOR
DAYTIME RUNNING
LIGHT RELAY
(
MAIN) PARKING
BRAKE SW
PARKING
BRAKE SW(
EX. 1MZ±FE A/T)
(
1MZ±FE A/T)
JUNCTION
CONNECTOR
JUNCTION
CONNECTOR (
USA)
(
CANA DA) C8 ,C9 , C10
J2
J2 B2
P3
P2 D4
J2
J3(
*1) (
*1)
(
USA)
II1 2
I6
G±O
G±O G±O
(
*2) FROM A/T
INDICATOR LIGHT
W±B
(
CA NADA)(
*5) (
*5)
O
(
*4)O
(
*4)
4
3B 203C 2
1D 31F3 7. 5A
IGN7. 5A
SRS
3B 19 3D19 3B 83D18
3D 83C8 3A 10
1M 51C 8
W

244
ELECTRONICALLY CONTROLLED HYDRAULIC COOLING FAN (1MZ±FE)
1212
2 3EC1 8
ECEB I18
IP2 7
42 310 9 816 5
6 I18
B±R B±R W±R
LLB
L L±W L±W
L±W
L±R L±R W±BL±YY Y±LBR BR
E SOL+ SOL± TH± TH+ HPIGB TAC IDL FROM POWER SOURCE SYSTEM(
SEEPAGE64)
TO COMBINATION
METERFROM THROTTLE
POSITION SENSOR
FROM ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONIC
CONTROLLED TRANSMISSION ECU)
SOLENOID VALVE
(
FOR HYDRAULIC MOTOR)
ENGINE COOLANT
TEMP. SENSOR
(
WATER TEMP. SENSOR)
(
FOR COOLING FAN)DATA LINK
CONNECTOR 1
(
CHECK
CONNECTOR)A/C SINGLE
PRESSURE SW COOLING FAN ECU C14
S1
E5D1 A2 OPT
3A 153C 16
1A 715A
ECU±IG

258
GROUND POINT
FRONT TURN SIGNAL
LIGHT RHABS ACTUATOR
FRONT CLEARANCE
LIGHT RH
FRONT SIDE MARKER
RH
FRON WIPER MOTOR
FRONT CLEARANCE
LIGHT LH
FRONT SIDE MARKER
LH
FRONT TURN SIGNAL
LIGHT LH
RADIATOR FAN MOTOR
HE ADLIGHT LO RH
HE ADLIGHT LO LH
ENGINE CONTROL
MODULE(
ENGIN AND
ELECTRONIC
CONTROLLED
TRANSMISSION ECU)
(
A/T)
ENGINE CONTROL
MODULE(
ENGINE ECU)
(
M/T)
NOISE FILER(
FOR
IGNI TI ON SYS TE M)
OXYGEN SENSORABS RELAY
ABS ECU
ABS ACTUATOR
AND ECU
DAYTIME RUNNING
LIGHT RELAY NO. 3
DAYTIME RUNNING
LIGHT NO. 4
CRUISE CONTROL
ACTUATOR
ENGINE MAIN RELAY
EFI MAIN RELAY
RADIATOR FAN RELAY
NO. 2
EC ED E4
E4
E4
E4
E4
E4I25 E6
EBEA
E5 EB15
EA125 7 7 7 7
2B2
5 2E4
E3 W±B
W±B
W±B
W±B
W±B
W±B
W±B
W±B W±B W±B W±B W±B
W±B
W±B
W±B(
*1)
W±B(
*1) W±B
W±B W±B
W±B W±B W±B
(
E)
(
GND)
(
GND)
(
CA NADA)
W±B
W±B
W±B W±B
W±B W±B
(
5S±FE)
E17
IP3 16IJ 1 18
BX13 I9 I9RADIATOR FAN RELAY
NO. 3
WATER TEMP. SW
(
FOR COOLING FAN)
A/C SINGLE
PRESSURE SW
DATA LINK
CONNECTOR 1
(
CHECK CONNECTOR)
DATA LINK
CONNECTOR 2(
TDCL)
COMBINATION METER
FUEL SENDER
ENGINE CONTROL
MODULE(
ENGINE
A ND ELE CTRONIC
CONTROLLED
TRANSMISSION
ECU)(
A/T)
ENGINE CONTROL
MODULE(
ENGINE
ECU)(
M/T) E5
E5
E5 BR
BR
BR (
E1)
W±BBR BR BR BR
BR
BR BR
BR BR
BR
BR
W±B
W±BBR W±BW±B W±B
BR
(
5S±FE)(
5S±FE)W±B W±B
W±BW±B W±B W±B
(
5S±FE)
(
5S±FE)
(
5S±FE)
(
1MZ±FE)
(
5S±FE)
BR
(
E01)
(
E02) W±B
BRW±B(
*1) W±B(
*1)
W±B(
*2)
W±B
3D13 3D3
3D 12

259
REAR COMBINATION
LIGHT RH
REAR COMBINATION
LIGHT LH HIGH MOUNT STOP
LIGHT
HIGH MOUNT STOP
LIGHT
LIGHT FAILURE
SENSOR
REAR COMBINATION
LIGHT LH
LICE NS E PLATE
LIGHT LH
REAR COMBINATION
LIGHT RH FUEL PUMP
BUCKLE SW
POWER SEAT SW
BUCKLE SW
AUTO ANTENNA MOTOR
AND RELAYB1 6 B1 6
B2 5 B25 B28
B28
B28
BO BNBLBZ17 Ba1 4 IO1 5 BX15
W±B
W±B
W±B
W±B
W±BW±B
W±B W±B
W±B
W±B
W±B
W±B W±B W±B W±B W±B
W±B
W±B W±B
W±B W±B W±B
W±B W±B
(
W/ REAR SPOILER)
(
W/O REAR SPOILER) W±B
RE AR WINDOW
DEFOGGER(
±)(
W/O POWER SEAT)
(
W/ POWER
SEAT)
BBM
(
S/D, C/P)
(
S/D, C/P) (
S/D, C/P)(
S/D, C/P) NOISE FILTER(
FOR
IGNI TI ON SYS TE M)
IGNITE R
HEATED OXYGEN
SENSOR
(
BANK 1 SENSOR 1)
HEAD OXYGEN
SENSOR
(
BANK 2 SENSOR 1)DATA LINK
CONNECTOR 1
(
CHECK CONNECTOR)
DATA LINK
CONNECTOR 2
DATA LINK
CONNECTOR 3
COMBINATION METER
FUEL SENDER
ENGINE CONTROL
MODULE
(ENGINE
AND ELECTRONIC
CONTROLLE D
TRANSMISSION
ECU)
ENGINE CONTROL
MODULE ENGINE
AND ELECTRONIC
CONTROLLED
TRANSMISSION
(
ECU)
COOLING AFN ECU
HEATED OXYGEN
SENSOR
(
BANK 1 SENSOR 2)
BUCKLE SW RH
BUCKLE SW LHI9I7
I18 EC
(
1MZ±FE)ED
(
1MZ±FE)IJ 1 18
BX13
IQ15 E14
BR BR W±B W±B
BR
BR
BR
BR
BR BR
BR
BR
BR BRBRBR
BR BR
BR W±BBR BR
BR BR
BR BR
I9
A AA
JUNCTION
CONNE CTOR J7
W±B
W±B
W±B(
E1) (
E03) (
E02) (
E01)
BR BR
BR BR
3D3 3D3
3D 12

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
1 CAMRY ELECTRICAL WIRING DIAGRAM
4ACC
IG1
ST1
IG2
ST2 AM1
7
9 10 AM2
2 2
1
5
1C 113C 6 2G 1
1G 912H 2
3C1A 14
1E 11
2C 2F
3C 182C
3EF117 IP11EF1 16 IP11A 6
1A
1
B1M 11G 8
3D 2
B±R B± O B±W W
W± R
B± RBB±W B± R
WW
B±W B±W
B±R B±R
W± B W± B
W±BB±WB
W± R W±B
IG
B±W
I12
IGNITION SW10A
START ER 40A
AM130A
AM2
FL MAI N
2. 0L
BATTERYIGNITER
To Circuit Opening
Relay< 3±2>
40A
MA I N
1
BBLACK
STARTER
B100A ALT
B±O
Instr ument panel
br ace LHB
EC 2 1
Intake
manifold
RH
W± B
B±O 5
6
W± R
P
N 61GB±W
(
A/ T)Fr om Diode
(
f or Cruis e Contr ol)
< 24±1>
B2
3B 201
3
251
B±W
51E
1A2 1
I16
IGNI TION COI L NO. 1
I21
IGNI TION COI L NO. 6
2 1
I20
IGNI TION COI L NO. 52 1
6A
I19
IGNI TION COI L NO. 42 1
5A
I18
IGNI TION COI L NO. 32 1
4A
I17
IGNI TION COI L NO. 22 1
3A 7A
1B 2B 3B 4B 5B 6B 8B 8A 7B2A
L
R±BL±B GR ± BY±R W± G
B± O B
IGT6 IGT5 IGT4 IGT3 IGT2 IGT1 IGF TACH GN DCOI L 6 COI L 5 COIL4 COI L3 COIL2 COI L1 +BG±R PLG±BG W GR W± R
B± O
B± O
B± O
B± O
B± O
B±OB±O B±O B±O B± O
To Injector
<3±2>
B±O
Starting and Ignition(
1MZ±FE)
Power Source
ST ARTERIGNITER
8 7 6 5 4 3 2 1
1 2 3 45678
ABLACKADARKGRAY
STARTER
RELAY
P1
PARK/ NEUTRAL POSI TI ON SW
(
NEUTRAL START SW)
(
A/T)
FUSE BOX
To Bulb Check Relay
To Engine Cont rol Module
(
Engine and Elect ronic
Co nt r ol le d
To Data Link Connec tor 1
(
Check Connec tor)
<3±3>
To Engine Contr ol Module
(
Engine and Elec tronic
Controlled Transmission
ECU)
<3±7>
B± O B± O 5
4
1A
1BF1 0 A , F16 B
1 S3 S4
S3 A , S4 BI2 A ,I15 BI2
I15
N1
NOISE
FILTER
(
for Ignit ion
System)
1 A F10
B F1 6 FUSE BOX
W±R Tra nsmi ss i on ECU) [COMB. METER]