1994 TOYOTA CAMRY fuel pressure

29
Position of Parts in Engine Compartment
[1MZ±FE]
I 1 Idle Air Control Valve (ISC Valve) N 1 Noise Filter (for Ignition System)
I 2 Igniter
I 4 Injector No. 1 O 1 Oil Pressure SW
I 5 Injector No. 2 O 6 O/D Direct Clutch Speed Sensor
I 6 Injector No. 3
I 7 Injector No. 4 P 1 Park/Neutral Position SW (Neutral Start SW) (A/T)
I 8 Injector No. 5
I 9 Injector No. 6 S 1 Solenoid Valve (for Hydrauric Motor)
I 15 Igniter S 3 Starter
I 16 Ignition Coil No. 1 S 4Starter
I 17 Ignition Coil No. 2
I 18 Ignition Coil No. 3 T 1 Throttle Position Sensor
I 19 Ignition Coil No. 4
I 20 Ignition Coil No. 5 V 1 VSV (for A/C Idle±Up)
I 21 Ignition Coil No. 6 V 2 VSV (for EGR System)
V 3 VSV (for Fuel Pressure Up)
J 6 Junction Connector V 4 VSV (for Intake Air Control)
V 5 Vehicle Speed Sensor (Speed Sensor)
K 1 Knock Sensor 1
K 2 Knock Sensor 2 W 1 Washer Motor
W 2 Water Temp. Sender
M 6 Mass Air Flow (Air Flow Meter)

31
Position of Parts in Engine Compartment
[5S±FE]
H 1 Headlight Hi LH O 1 Oil Pressure SW
H 2 Headlight Hi RH O 2 Oxygen Sensor (Sub)
H 3 Headlight Lo LH O 3 Oxygen Sensor (Main)
H 4 Headlight Lo RH
H 5 Horn LH P 1 Park/Neutral Position SW (Neutral Start SW) (A/T)
H 6 Horn RH
R 1 Radiator Fan Motor
I 1 Idle Air Control Valve (ISC Valve)
I 2 Igniter S 3 Starter
I 3 Ignition Coil S 4Starter
I 4 Injector No. 1
I 5 Injector No. 2 T 1 Throttle Position Sensor
I 6 Injector No. 3
I 7 Injector No. 4 V 1 VSV (for A/C Idle±Up)
I 10 Intake Air Temp. Sensor (In±Air Temp. Sensor) V 2 VSV (for EGR System)
V 3 VSV (for Fuel Pressure Up)
K 1 Knock Sensor V 5 Vehicle Speed Sensor (Speed Sensor)
M 1 Manifold Absolute Pressure Sensor (Vacuum Sensor) W 1 Washer Motor
W 2 Water Temp. Sender
N 1 Noise Filter (for Ignition System)

61
186
R18 R19 R20 R21 S3 S8 S9 S10 V1 V2 V3 V468
72182226
23080
90
98
Rear Wiper Motor (W/G)
Rear Wiper Relay (W/G)
Remote Control Mirror LH
Remote Control Mirror RH
Shift Lock ECU
Stereo Component Amplifier
Stereo Component Amplifier
Stop Light SW
VSV (for A/C Idle±Up)
VSV (for EGR System) (1MZ±FE)
VSV (for Fuel Pressure Up)
VSV (for Intake Air Control)
(1MZ±FE)
Vehicle Speed Sensor
(Speed Sensor)
Vanity Light LH
Vanity Light RH
Washer Motor
Water Temp. Sender
Diode
Noise Filter
Defogger Relay (Coil Side)
Power Main Relay (Coil Side)
S5 V5 V8 V9 W1 W2
Starter (1MZ±FE)
Defogger Relay (Point Side)
Power Main Relay (Point Side)
Taillight Relay (Coil Side)
Taillight Relay (Point Side)
Starter Relay (Point Side)
Starter Relay (Coil Side)
EFI Main Relay (Coil Side)
EFI Main Relay (Point Side)
Headlight Relay (Coil Side)
186 154 154226
230120
192
204182
198
210
21480
9080
90
9880 80
98
198 90
192
236130
134
138130
134
138184
186236130
134
138190 190 190156
160
168156
160
16811 2
12612668
7268
72 80
90
98
198
204 80
90
98
198
204106
(4): R/B No. 4 (See page 20)(5): R/B No. 5 (See page 19)(6)R/B No. 6 (See Page )
2526 26

81
A
M 45
BL EBBX15 D 14
BATT
D 21
ELSA 14
NSWA 13
STA
D 23+B
D 22+B1
A 9#20
A 6#50
A 7#40
A 8#30
A 5#60
A 10#10 2B 22C32D4
IP3 12 I18
I23
L± B
G±R
Y
R
L
GR
G
W B± O B± OL± B B±W
B±WB± O
L±B B±O
B±O
B±O
G±R
W± B
B±O
W±G W±L
B±R
B±W
B±W B±OB±O B±O
W±BB±O
B±O
Y
R
L
GR
G
W
W±B F15
FUEL PUMPENGINE CONTROL MODULE
(
ENGINE AND ELECTRONIC
CONTROLLED TRANSMISSION ECU) 25 13
E7 , E8 ,E9 , E10 D
BC
IP120
B±W
I23
L±B 15A
EFIFROM POWE
G G
P
2 3
1 2D 2 IP1 18
DIODE
(
FOR IDLE±UP) D6
B±O
W±BB±O
B±O
EF1 1
IP3 18
B±W
B±WB±O
I18 E10 E12 E11
1 2
2 1
2 1
2 1
2 1
3
A 23
RSOA 22
RSCC 1
ACVC 12
EGRA 25
FPUC 6
ACIS AA A
B± O B±O
B±O
B±O
B±O
B±O G±B
Y± B
W±L
B±L
B±R
R±Y
JUNCTION
CONNECTOR J6 B±O B±O
B±O B±O B±O
ILDE AIR CONTROL VALVE
(
ISC VALVE)
VSV
(
FOR A/C IDLE±UP)
VSV
(
FOR EGR)
VSV
(
FOR FUEL PRESSURE UP)
VSV
(
FOR INTAKE AIR CONTROL) I1
V1
V2
V3
V4EFI MAIN
RELAY
IP111
1G 6
1E 5 1DA
MIR±
HTR
1A 14 10
3C 53D 5TA I L
R SOURCE SYSTEM(
SEE PAGE 64)
10
15A

239
B 2 BRAKE FLUID LEVEL SW1±2 : CLOSED WITH FLOAT DOWN
C 8(A), C 9(B), C10(C)
COMBINATION METER(A)2, (B)6, (B)9±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
(A)3, (B)14, (C)8±GROUND : ALWAYS CONTINUITY
F15
FUEL SENDER2±3 : APPROX. 3
WITH FUEL FULL
APPROX. 110.0
WITH FUEL EMPTY
O 1
OIL PRESSURE SW1±GROUND : CLOSED WITH OIL PRESSURE BELOW 0.2 KG/CM2 (2.84 PSI, 19.61 KPA)
P 2
PARKING BRAKE SW (1MZ±FE A/T)1±GROUND : CLOSED WITH PARKING BRAKE PEDAL DEPRESSED
P 3
PARKING BRAKE SW (EX. 1MZ±FE A/T)1±GROUND : CLOSED WITH PARKING BRAKE LEVER PULLED UP
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
B 228 (1MZ±FE), 30 (5S±FE)D 432P 233
C 8A32F1534 (S/D), 35 (C/P), 36 (W/G)P 333
C 9B32I 228 (1MZ±FE), 30 (5S±FE)V 528 (1MZ±FE), 30 (5S±FE)
C10C32J 233W 228 (1MZ±FE), 30 (5S±FE)
C1432O 128 (1MZ±FE), 30 (5S±FE)
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
125R/B NO. 1 (LEFT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B
1C
1D20COWL WIRE AND J/B NO 1 (INSTRUMENT PANEL LEFT)1F20COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1L
1M
2G22COWL WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
3A
3B24COWL WIRE AND J/B NO 3 (BEHIND COMBINATION METER)3C24COWL WIRE AND J/B NO. 3 (BEHIND COMBINATION METER)
3D
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
II142COWL WIRE AND INSTRUMENT PANEL WIRE
IJ142FLOOR NO. 1 WIRE AND COWL WIRE
IP144ENGINE WIRE AND COWL WIREIP344ENGINE WIRE AND COWL WIRE
46 (S/D)
BX148 (C/P)FUEL GAUGE WIRE AND FLOOR NO. 1 WIREBX1
50 (W/G)
FUEL GAUGE WIRE AND FLOOR NO. 1 WIRE
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
ED38 (1MZ±FE)INTAKE MANIFOLD LHED40 (5S±FE)INTAKE MANIFOLD LH
IE42LEFT KICK PANELIF42LEFT KICK PANEL
IG42INSTRUMENT PANEL BRACE LH
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 644INSTRUMENT PANEL WIREI1344COWL WIRE
I 944COWL WIREI1844ENGINE WIRE
SERVICE HINTS

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

OVERALL ELECTRICAL WIRING DIAGRAM
5
678
3CAMRY(
Cont' d)
2 1
B D A D C CDD A D B C
D D C BAAAAAAADD AA ACCAAAAAA B
9II110 II 13
EE1 1EF1
2 1
2 1D BBABD BB B
BDCAA
1
1
IE Lef t
kick
panel 2 25 3 18241615263029122322 2322 12 1265678910 15 1413 2
13 11 5 1 20 5 14 14 20 14 315
16 28 4 325 2 3 411
A
A
A 3 113 1 7 32 22 21 8 9 BR G±W GR ± BB± OB BR B±WR±L
OX S HT S W FCIGT1
IGT2IGT3
IGT4IGT5
IGT6IGF
+B +B 1RSO
RS C SP 1EGR
ACIS #60 #50 #40 #30 #20 #10 KNKR KNKL
B± O
V1
VSV
(
for A/C Idle±Up) Fr om
STARTER
Fu se< 1± 2>
OX H T
(
SHIELDED)
H1 1
HEATED OXYGEN
SENSOR
(
Bank 1 Sens or 1)
E+B
OXR SDL STA TE2 TE1
ACVA/C
ACTNSW BATT THW (
SHI ELDED)
(
SHI EL DED)
(
SHI EL DED) WY GRL R G B± O G±R G±RR±LBRBR
BR B±O B±O 1
32
4
(
SHI ELDED)
V3
VSV(
for Fuel
Pressure Up) V4
VSV(
for
I ntake Cont rol)
HT
OX+B
E1 H9
HEATED
OXYGEN SENSOR
(
Bank 1 Sensor 2)Fr om Ignit er
<1±4>G± W W± B
ELS E1 EO1 EO3 E2 THA VG VG±
TACO
VCCVTA1
IDL1E2 STP THA VG NC2+B T1
THROTTL E
POSI TI ON
SENSORM6
MASS AIR FLOW
(
AI R FL OW METER)
Fr om Sto p
Light SW
<8±2><9±2>
A
A
AAA A
(
SHI ELDED) C18
CRANKSHAFT POSITI ON
SENSOR
K1
KNOCK SENSOR 2
K2
KNOCK SENSOR 1BR
BR
Engine Control(
1M Z±FE)
ENGINE CONTROL MODULE(
ENGI NE AND E LE CT RONI C CONTROL LE D TRANSMI S S I ON E CU) W± G
OXL HTLC B19 101 3 OX H T+B E2
H1 2
HEATED OXYGEN
SENSOR
(
Bank 2 Sens or 1)
4
C
HTR1
1C 8
1M 5 18 IP3
IP1
E4
ENGI NE COOL ANT T EMP.
SENSOR(
EFI WATER
TEMP. SENSOR)
E1
EGR GAS TEMP. SENSOR
To Cooling Fan ECU< 27±2>
To Tachomet er
NE
B G2 2+
C17
CAMSHAFT POSITION
SENSOR
(
SHIELDED)
B G22±
3 2 B NE ± 61G
1E 5
D6
DIODE
(
for Idle±Up)
Intake
ma n i f o l d
LHED 53D3C 5
J1
JUNCTION
CONNECTOR
12 IP3
1
EE12
EE14
EE1
A
1
2
V2
VSV(
for EGR)
I1
IDLE AIR CONTROL
VALVE(
I SC VAL VE)
IQ14
IQ15
IP316 II1 20
(
SHI EL DED) (
SHI EL DED)
BRBR
12
3D 3
3D BRSDL BATTSG CG1 112 4A
F 1
B±R
B±O
B±R
B±O
B
BR
W± B
B±W B±W
G± W
GR±B
W± L R± L
W V± R R±L R±L
R± L
L±B
(
SHI EL DED) (
SHIELDED)
R±L
D2 4
DA TA L I NK
CONNECTOR 3
W±LB±W LG±BB± Y
To A/C Aeplifier
< 35±4> < 36±5>
B±W B±WB±O
2
W± G
G± B
G± Y
F 2
THG
BBR
BR BR
BR
B±O
24
VG±C7
NC2±B4
W±L
Y± L L±B
R
R± B
W± BG±WBR B±Y L±R12 O6
O/ D D I RE CT
CLUTCH SPEED
SENSOR
(
SHI ELDED) (
SHI ELDED)
(
SHIELDED)(
SHI ELDED)
A34 16B± R G G From ' TAIL'
Fus e
<16±2><17±2>21 6 5 17
B±W
L
G R
G
B±W
L
G
BR BR
W±B
W±B
BR
BRW
WW
W
BR
BR
11
22
W± BWY GRL R
G R± YB±L B± R B±OB±O B±O
B±O A AA
J6
JUNCTION
CONNE CTORY± B G± B B±O B± OW±RG±RR±BL±B GR±BY± R W± GG±R G±RP± B B B
P±B
G±R
G±RB±O
B±OA
A
L±W
L
BR
W
W 11
J6
JUNCTION
CONNECTOR
J7
JUNCTION
CONNECTOR
(
Cont. next page)
B± O
L L
G
EO2
A
33W±B
W±B
8 2628 13
To Cooling Fan
ECU< 27±2>
To Cr ui se Con tro l
ECU< 24±2>
E7 A ,E10 D,E8 B ,E9 C*Malfunction Indicator Lamp(
Check Engine War ning Light) For the c onnect ors of t he parts listed below, s ee t he next page.
*Fuse Box
L±W
11 IM1D
V±Y
To Combinat ion
Meter < 33±2>
FPU
254
3B BR

5
678
4CAMRY(
C ont' d)
2 1
1 21G 6
3D 5
1E 53C5 1A 14 11IP1
12 IP3
11C 12C 13C 1C 22C 2C 21C 10C 9C 4C
5C 24A10 A 9 A 7 A 8 A16 B
8B 14B 15B 7B6B
19 I P3 1 IP1 13 IP3 15 IP12 3 12
3A 20A
EC 916 8 7215 1 21712 8 9 13 15 4 12 1
2 1
2 1
1234321
4B 3B 10B 9B 2B 1B 11B 12B
13 B 5 B 14 A 4 A 5 A 17 A 18 A 13 A 26 A
ED EC1
2 1 B±W
W±G
B±O B±O B±O
G±R
B±O
B±O
B±O
B±O B±O B±W
B± O
B± O
G± Y
G±R
LG
B±R
W± L
B±W
B±WW± G
B±W
G G B±R
LG±B
B± Y
V± Y
G± W
W±R
W
BR R± W
G± W
GR
BR± BR±B G±R
G±R
R±W
G± W
Y±G
BR± B
L±B
B±O
G±R
BR±B
GR
G± W
R±W
R± L
W BR
R±G
WW
R± L
BR
WR± L
BR
W BR
G±R
G±R
G±R
L±B
W
Y
R
L
B
Y
W± B
W± B W± B
W± B
R±L OX1 OX2 E1 KNKNE
NE +G2
NE±G±
G±(
*1)
(
*2)E01 E02
TSE2 PIM VC
IDL VTA VC PIM E2 THG THA THW E2 1 IGT IGF B/K SPD ACA ACT ELS NS W BATT FPU ISCV ISCC ISCO +B1 +B STA
OX 1 OX2 VF1 TE2 TE1 TT W B FP TT TE1 TE2 ENG W
ECT W#40VFTE2TE1TT
LG
L±B
GR
BR
B± Y
B
L BR
RBR
BR
BR
BRBR BR BR BR
I1
IDLE AIR CONTROL
VALVE(
I SC VAL VE)
V1
VSV
(
for A/C Idle±Up)
V3
VSV(
for Fuel Press ure Up)
(
*4)
(
*3)
D6
DIODE
(
f or I dle±Up)
Fr om Ignit er
<2±3>From Stop Light
SW< 8±2> < 9±2> To Combinat ion Met er
< 33±2> To A/C Amplifier
<35±4><36±5> To A/C Amplifier
<35±4><36±5>From º TAILº
Fuse<16±2><17±2>
E4
ENGI NE COOL ANT TEMP. SENSOR
(
EF I WATER TEMP. SENSOR)
I10
I NTAKE AIR TEMP. SENSOR
(
IN±AIR TEMP. SENSOR)
E1
EGR GAS TEMP. SENSOR
M1
MANIFOLD ABSOLUTE
PRESSURE SENSOR
(
VACUUM SENSOR)T1
THROTTL E
POSITION SENSOR
Intake
manif old LH K1
KNOCK
SENSORFrom Distributor
< 2±3>
O2
OXYGEN SENSOR
(
Sub) O3
OXYGEN SENSOR
(
Main) Fr om Ignit er
<2±3>To O/D Ma i n
SW< 7 ±5 >
D1
DA TA LI NK CONNECTOR 1
(
CHECK CONNECTOR) D3
DATA LINK CONNECTOR 2(
TDCL)12345 7 891011
12
14 15 16 17 1822 6
19 20 21 13CDARKGRAY ENGI NE CONT ROL MODULE(
ENGINE AND
EL ECTRONI C CONTROLL ED TRANSMI SSI ON ECU)
DARK GRAY
DA RK GRA Y A
B
B±O
(
SHI ELDED)
(
SHI EL DED)
E2
VC
VTA
IDL
1234 67891011
14 15
16 17 1824 512
25 26
20 19 21 22 2313 12345678
16 15 14 13 12 11 10 9
Intake manifold RH 19BIG±
4
Y± BTC
To Cr ui se
Control ECU< 24±2>
To Cen ter
Airbag Sens or
Assembly< 23±4>
To ABS ECU
< 25±3> < 26±3>From SRS
Warning Light
[COMB. METER]
< 23±4>
Intake manifold
RH11
LG±RTC
5
B±YAB
14
G±BABSFrom ABS ECU
< 25±2> < 26±3> To Center
Airbag Sens or
Ass embly< 23±4>
To ABS ECU
<25±2><26±3>
3
G±R(
*3)
(
*4)
3B 43C 191A 151M 6G±W G±W
19 IP1
EDIP3163D 123D 3E1
W±B W±B
W± B
Intake
ma n i f o l d L H3
AB
12
B± Y From SRS
Warning Light
[COMB. METER]
< 23±4>
A/D
10G± L Fro m Crui s e
Cou t r o l E CU
< 24±3>
1P
From º MIR±HTRº
Fuse<24±4><28±1>
(
SHIELDED)
(
SHIELDED) C 14FC
G±R
A 12#10W
A 11#20Y
A 25#30R±L
(
*1) (
*1)
(
*2) V2
VSV(
for EGR System)
2
1G23 A
EGR B±O
B±O
(
*1)(
*1)
Engine Control(
5S±FE A/T and California M/T)
*4: Ex.
*3 *3: forCanadainTMMMade
R± L(
*1)
R±B(
*1)ENGINE CONTROL MODULE(
ENGI NE ECU)(
M/ T)
E1 1 A , E12 B , E1 4 C(
A/ T)
E7
(
M/T)
E12(
A/ T)
E1 0
G1
G+ (
Ex. California M/T)
(
M/T)
E11 A DARK GRAY(
A/T)
E8 B DARKGRAY
(
M/T)
E14 C DARK GRAY
A E7 , E8 B , E10 C ENGINECONTROL MODULE(
ENGI NE AND E LE CT RONI C CONTROL LE D TRANS MI SS I ON E CU)(
A/T)
(
A/T) (
A/ T)
(
A/T)To Cru i se
Co nt r ol ECU
< 24±2>L
L
R
3E1
G± O
To ABS ECU
<25±3><26±3>
*1 : California
*2 : Ex. Califor nia