radiator TOYOTA CAMRY 1994 XV10 / 4.G Wiring Diagrams Workshop Manual

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)

41
Connector Joining Wire Harness and Wire Harness
CODEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA1ENGINE ROOM MAIN WIRE AND ENGINE ROOM NO. 3 WIRE (RADIATOR FAN SHROUD)
EB1ENGINE ROOM MAIN WIRE AND RELAY WIRE (UNDER THE R/B NO. 5)
EC1ENGINE WIRE AND ENGINE ROOM MAIN WIRE (UNDER THE J/B NO. 1)
ED1COWL WIRE AND ENGINE ROOM MAIN WIRE (UNDER THE J/B NO. 1)
EF1ENGINE WIRE AND COWL WIRE (NEAR THE BRAKE MASTER CYLINDER)

60
POWER SOURCE (Current Flow Chart)
*Page Nos. of
Related Systems
Parts
Code or
Location
CB or Fuse
Location
156
* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.


P13 P14 P15 P16 R1 R2 R3 R5 R6 R7 R8 R9156 156126
222
224
228
234126
190154120
124
Power Window Motor Front LH
Power Window Motor Front RH
Power Window Motor Rear LH
(EX. C/P)
Radiator Fan Motor (5S±FE)
Radio and Player (w/ CD Player)
Radio and Player (w/o CD Player)
Rear Window Defogger SW
Remote Control mirror SW
Rheostat
Stop Light LH
[Rear Comb. Light LH]
Taillight LH
[Rear Comb. Light LH]
Rear Turn Signal Light LH
[Rear Comb. Light LH]
Stop Light LH
[Rear Comb. Light LH]
40A AM1
15A CIG/RADIO
40A DEFOG
15A ECU±1G
10A GAUGE
7.5A IGN
10A MIR±HTR
30A POWER
7.5A SRS
15A STOP
15A TAIL
7.5A TURN
20A WIPER
30A AM2
7.5A ALT±S
30A CDS FAN
20A DOME
15A ECU±B
15A EFI
10A HAZ
15A HEAD (LWR±LH)
15A HEAD (LWR±RH)
15A HEAD (UPR±LH)
15A HEAD (UPR±RH)
15A HEAD LH
15A HEAD RH
10A HORN
40A MAIN
7.5A OBD
10A STARTER
10A A/C
40A HEATER
7.5A DRL
100A ALT
60A ABSR10 R11 R16 R17
Power Window Motor Rear RH
(EX. C/P)
Taillight LH
[Rear Comb. Light LH]
Back±up Light LH
[Rear Comb. Light LH]
Stop Light RH
[Rear Comb. Light RH]
Taillight RH
[Rear Comb. Light RH]
Rear Turn Signal Light RH
[Rear Comb. Light RH]
Taillight RH
[Rear Comb. Light RH]
Stop Light RH
[Rear Comb. Light RH]
Back±up Light RH
[Rear Comb. Light RH]
Rear Window Defogger (+)
(EX. W/G)
Rear Window Defogger (±)
(EX. W/G)
Rear Window Defogger (±)
(W/G)
156 242 126 126144
14811 4
148120
124144
148152120
124144
14811 4
11 8144
148120
124152 190 190 190
[LOCATION](1)
(7): J/B No. 1 (See page 20)
: R/B No. 7 (See page )(2)
(8): J/B No. 2 (See page 19)
: Fuse Box (F10, F17 See
on page )(3): R/B No. 1 (See page 23)
2022
25
27
28 29

62
POWER SOURCE (Current Flow Chart)
*Page Nos. of
Related Systems
Parts
Code or
Location
CB or Fuse
Location
* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.


106
Horn Relay
Headlight Relay (Point Side)
Radiator Fan Relay (Point Side)
Turn Signal Flasher
Heater Relay (Point Side)
Radiator Fan Relay No. 2
(Coil Side)
A/C Magnetic Clutch Relay
(Coil Side)
Daytime Running Light Relay No. 3
(Coil Side)
40A AM1
15A CIG/RADIO
40A DEFOG
15A ECU±1G
10A GAUGE
7.5A IGN
10A MIR±HTR
30A POWER
7.5A SRS
15A STOP
15A TAIL
7.5A TURN
20A WIPER
30A AM2
7.5A ALT±S
30A CDS FAN
20A DOME
15A ECU±B
15A EFI
10A HAZ
15A HEAD (LWR±LH)
15A HEAD (LWR±RH)
15A HEAD (UPR±LH)
15A HEAD (UPR±RH)
15A HEAD LH
15A HEAD RH
10A HORN
40A MAIN
7.5A OBD
10A STARTER
10A A/C
40A HEATER
7.5A DRL
100A ALT
60A ABS
Radiator Fan Relay (Coil Side)
Heater Relay (Coil Side)
Radiator Fan Relay No. 2
(Point Side)
Radiator Fan Relay No. 3
(Point Side)
A/C Magnetic Clutch Relay
(Point Side)
Circuit Opening Relay (Coil Side)
Circuit Opening Relay (Coil Side)
Daytime Running Light Relay No. 4
(Coil Side)
106 173 106 242 24211 4
11 8246 246 242 242 242 246 24680
90
9880
90
98
[LOCATION](1)
(4): J/B No. 1 (See page 20)
: R/B No. 4 (See page )(2)
(5): J/B No. 2 (See page 19)
: R/B No. 5 (See page )(3)
(6): R/B No. 1 (See page 23)
: R/B No. 6 (See page )
(7): R/B No. 7 (See page 20)(8): Fuse Box (F10, F17 See
on page 19) 20 2225
25
28 2926 26
27

241
RADIATOR FAN AND CONDENSER FAN (5S±FE)
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A 130E 530 (5S±FE)
A 230 (5S±FE)R 130 (5S±FE)
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
526R/B NO. 5 (ENGINE COMPARTMENT LEFT)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1A20COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
2B22ENGINE ROOM MAIN WIRE AND J/B NO 2 (ENGINE COMPARTMENT LEFT)2E22ENGINE ROOM MAIN WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
3A24COWL WIRE AND J/B NO 3 (BEHIND COMBINATION METER)3C24COWL WIRE AND J/B NO. 3 (BEHIND COMBINATION METER)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA140 (5S±FE)ENGINE ROOM MAIN WIRE AND ENGINE ROOM NO. 3 WIRE
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EB40 (5S±FE)FRONT LEFT FENDER
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 540 (5S±FE)ENGINE ROOM MAIN WIRE

242
RADIATOR FAN AND CONDENSER FAN (5S±FE)
2B 12E82B32E6
55 55
55 55 2G 6
2E5
1 2EA1 1
M
1 2M
1 2
E5 5
EB EB
W±B W±B B±R B±R L±B
B±R
L
B W±B
W±R R WB±O B±R
W±B W±B
L
B±R
BW±BW±B
B±W
OM POWER SOURCE SYSTEM(
SEE PAGE 64)
30A
RDI FAN
24 13
4
FROM A/C
MAGNETIC
CLUTCH RELAY RADIATOR
FAN RELAY
RADIATOR
FAN RELAY
NO. 2
RADIATOR
FAN RELAY
NO. 3
A/C SINGLE
PRESSURE SW
WATER
TEMP. SW
(
FOR COOLING
FA N)RADIATOR
FAN MOTORA/C CONDE NSE R
FAN MOTOR A1
A2
R1
E532 51 15 23
3 2
EA1 2
1A 7FR
15A
ECU±IG
3A 153C 16
2B 40A
CDS FAN
3

243
FAN MOTOR OPERATION
WITH THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM ECU±IG FUSE TO RADIATOR FAN RELAY NO. 1 (COIL SIDE) AND
RADIATOR FAN RELAY NO. 2 (COIL SIDE) " TERMINAL 2 OF THE A/C SINGLE PRESSURE SW " TERMINAL 3 " TERMINAL 2 OF THE
WATER TEMP. SW " TERMINAL 1 " GROUND, AND RADIATOR FAN RELAY NO. 1 AND NO. 2 ARE TURNED ON.
*RADIATOR FAN MOTOR OPERATION
WHEN THE IGNITION SW IS TURNED ON, RADIATOR FAN RELAY NO. 1 IS TURNED ON. IF AT THIS TIME THE ENGINE COOLANT
TEMPERATURE IS APPROX. 90°C (194°F) OR HIGHER, THE WATER TEMP. SW IS TURNED OFF, RADIATOR FAN RELAY NO. 1 IS
TURNED OFF.
AS A RESULT, CURRENT FROM THE RDI FAN FUSE TO RADIATOR FAN RELAY NO. 1 (POINT SIDE) " TERMINAL 2 OF THE
RADIATOR FAN MOTOR " TERMINAL 1 " GROUND, THUS ACTIVATING THE ROTATION OF THE RADIATOR FAN MOTOR.
*LOW SPEED OPERATION
WHEN THE IGNITION SW IS TURNED ON AND THE A/C ACTIVATED, RADIATOR FAN RELAY NO. 1 AND RADIATOR FAN RELAY NO. 2
ARE TURNED ON, CURRENT FLOWS FROM A/C MAGNETIC CLUTCH RELAY (POINT SIDE) TO RADIATOR FAN RELAY NO. 3 (COIL
SIDE) " GROUND, AND RADIATOR FAN RELAY NO. 3 IS TURNED ON.
AS A RESULT, CURRENT FLOWS FROM CDS FAN FUSE TO TERMINAL 2 OF THE A/C CONDENSER FAN MOTOR " TERMINAL 1 "
RADIAOTR FAN RELAY NO. 2 (POINT SIDE) " RADIATOR FAN RELAY NO. 3 (POINT SIDE) " TERMINAL 2 OF THE RADIATOR FAN
MOTOR " TERMINAL 1 " GROUND, FLOWING TO EACH FAN MOTOR IN SERIES, CAUSING THE FAN TO AT LOW SPEED.
*HIGH SPEED OPERATION OF THE FAN MOTOR DUARING A/C OPERATION
WHEN THE A/C OPERATION, THE REFRIGERRANT PRESSURE BECOME HIGHER THAN OR DINARY LEVEL (APPROX. 15.58 KG/CM
2
(221.2 PSI, 1527 KPA)) THE A/C SINGLE PRESSURE SW IS TURNED OFF. AS A RESULT, RADIATOR FAN RELAY NO. 1 AND RADIATOR
FAN RELAY NO. 2 ARE TURNED OFF, AND CURRENT FLOWS FROM RDI FUSE TO RADIATOR FAN RELAY NO. 1 (POINT SIDE) "
TERMINAL 2 OF THE RADIATOR FAN MOTOR " TERMINAL 1 " GROUND, AND CURRENT FLOWS FROM CDS FAN FUSE TO
TERMINAL 2 OF THE A/C CONDENSER FAN MOTOR " TERMINAL 1 " RADIATOR FAN RELAY NO. 2 (POINT SIDE) " GROUND, AND
TO EACH FAN MOTOR IN PARALLEL, THUS CAUSING THE FAN MOTORS OPERATE HIGH SPEED.
NOTE THAT, BECAUSE THE CURRENT FLOWS IN THE SAME MENNER EVEN IF THE ENGINE COOLANT TEMPERATURE IS APPROX.
90°C (194°F) OR HIGHER, THE FAN MOTOR OPERATE AT HIGH SPEED.
A 2 A/C SINGLE PRESSURE SW
2±3 : OPEN ABOVE APPROX. 15.58 KG/CM2 (221.2 PSI, 1527 KPA)
CLOSE BELOW APPROX. 15.56 KG/CM2 (178.4 PSI, 1231 KPA)
2 1
2 1 A1R1 BLACKGRAY
12E5 A2BLACK
23
SYSTEM OUTLINE
SERVICE HINTS

248
AIR CONDITIONING (PUSH CONTROL SW TYPE)
5 5
55
1 2
IP1 8EC1 4
IP3 9
IP3 4 I191
4
IR1 5IR16 IR14
5471
4 10 8 9 13 14 12 21
2 R±WR± BR±L
W± BW±R
L±WR±B R±W
W±R
W±L
L±Y
G B±Y LG±BB B BW±B
L± W(
*1)
L±Y
GL±B(
*1)
B± W
L± Y
R±LR± L R±L W±R
R±L
W±R
A/C DUAL
PRESSURE SW
A/C MAGNETIC
CLUTCH AND
LOCK SENSOR
A/C EVAPORATOR
TEMP. SENSOR
A/C MAGNETIC
CLUTCH RELAY
A/C AMPLIFIER
TO ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONIC
CONTROLLED TRANSMISSION
ECU)(
A/T)
OR ENGINE CONTROL MODULE
(
ENGINE ECU)(
M/T) FROM ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONIC
CONTROLLED TRANSMISSION
ECU)(
A/T)
OR ENGINE CONTROL MODULE
(
ENGINE ECU)(
M/T)
IGNITER245
13
W±R
A3A2
A11
A10
I2B±W
(
*
2) TO RADIATOR
FAN RELAY NO. 3E6
B± W
(
*1)
(
*2)
B±W(
*2) W±L(
*2)
TACH6
TAC
(
*2)
B
(
*1)
C14
COOLING FAN
ECU*1 : 1MZ±FE
*
2 : 5S±FE
1B 1
1D 12

253
*2 : 5S±FE *
1 : 1MZ±FE
5 5
55
1 2
IP1 8EC1 4
IP3 9
IP 3 4 I191
4
IR1 5IR16 IR14
471
4 913 14 12 224
1 W±R
L±W
W±R
W±L
L±Y
G B±Y LG±BB B
L±W(*
1)
GL±B(*
1)
B±W
L±Y
R±LR±L R±L
R±L
W±R
A/C DUAL
PRESSURE SW
A/C MAGNETIC
CLUTCH AND
LOCK SENSOR
A/C EVAPORATOR
TEMP. SENSOR
A/C MAGNETIC
CLUTCH RELAY
A/C AMPLIFIER
TO ENGINE CO NTRO L MO DULE
(
ENGINE AND E LECTRO NIC CO NTRO LLED
TRANSMISSION ECU)(
A/T)
OR ENGINE CONTROL MODULE
(
ENGINE ECU)(
M/T) FROM ENGINE CONTROL MODULE
(
ENGINE AND E LECTRO NIC CO NTRO LLED
TRANSMISSION ECU)(
A/T)
OR ENGINE CONTROL MODULE
(
ENGINE ECU)(
M/T)
IGNITER 2
15
8 104
4
5
W±B
W±BR±L
Y±G
R±B R±W
B
ON
OFF
A/C SW
A3
A1 1
A2
232 1
51
10A
A/C
TO RADIATOR FAN
RELAY NO. 3
(*
2) B±W
A10
I2 A1 2E6
B±W
(*
1)
(
*
2)
W±R
B±W(
*
2) W±L(
*
2)
6
B
(
*
1) B
(
*
2)
TAC
C14
COOLING FAN
ECU FACH
1B 1
1D 12

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