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

28
ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[1MZ±FE]
A 2 A/C Triple Pressure SW (A/C Dual and Single Pressure F 1 Front Airbag Sensor LH
SW) F 2 Front Airbag Sensor RH
A 3 A/C Magnetic Clutch and Lock Sensor F 3 Front Clearance Light LH
A 4 ABS Actuator F 4 Front Clearance Light RH
A 5 ABS Actuator F 5 Front Side Marker LH
A 6 ABS Relay F 6 Front Side Marker RH
A 7 ABS Relay F 7 Front Turn Signal Light LH
A 8 ABS Speed Sensor Front LH F 8 Front Turn Signal Light RH
A 9 ABS Speed Sensor Front RH F 9 Front Wiper Motor
F 10 Fuse Box
B 2 Brake Fluid Level SW F 16 Fuse Box
F 18 Fuse Box
C 2 Cruise Control Actuator
C 17 Camshaft Position Sensor G 1 Generator (Alternator)
C 18 Crankshaft Position Sensor G 2 Generator (Alternator)
D 1 Data Link Connector 1 (Check Connector) H 1 Headlight Hi LH
D 2 Distributor H 2 Headlight Hi RH
H 3 Headlight Lo LH
E 1 EGR Gas Temp. Sensor H 4 Headlight Lo RH
E 2 Electronic Controlled Transmission Solenoid H 5 Horn LH
E 4 Engine Coolant Temp. Sensor (EFI Water Temp. H 6 Horn RH
Sensor) H 11 Heated Oxygen Sensor (Bank 1 Sensor 1)
E 5 Engine Coolant Temp. Sensor (Water Temp. Sensor) H 12 Heated Oxygen Sensor (Bank 2 Sensor 1)
(for Cooling Fan)

30
ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[5S±FE]
A 1 A/C Condenser Fan Motor E 1 EGR Gas Temp. Sensor
A 2 A/C Triple Pressure SW (A/C Dual and Single Pressure E 2 Electronic Controlled Transmission Solenoid
SW) E 3 Electronic Controlled Transmission Solenoid
A 3 A/C Magnetic Clutch and Lock Sensor E 4 Engine Coolant Temp. Sensor (EFI Water Temp.
A 4 ABS Actuator Sensor)
A 5 ABS Actuator E 5 Water Temp. SW (for Cooling Fan)
A 6 ABS Relay
A 7 ABS Relay F 1 Front Airbag Sensor LH
A 8 ABS Speed Sensor Front LH F 2 Front Airbag Sensor RH
A 9 ABS Speed Sensor Front RH F 3 Front Clearance Light LH
F 4 Front Clearance Light RH
B 1 Back±Up Light SW (M/T) F 5 Front Side Marker LH
B 2 Brake Fluid Level SW F 6 Front Side Marker RH
F 7 Front Turn Signal Light LH
C 2 Cruise Control Actuator F 8 Front Turn Signal Light RH
F 9 Front Wiper Motor
D 1 Data Link Connector 1 (Check Connector) F 10 Fuse Box
D 2 Distributor F 16 Fuse Box
F 17 Fuse Box
F 18 Fuse Box
G 1 Generator (Alternator)
G 2 Generator (Alternator)

32
ELECTRICAL WIRING ROUTING
Position of Parts in Instrument Panel
A 10 A/C Amplifier C 12 Combination SW
A 11 A/C Evaporator Temp. Sensor C 13 Combination SW
A 12 A/C SW C 14 Cooling Fan ECU
A 13 ABS ECU C 15 Cruise Control Clutch SW (M/T)
A 14 ABS ECU C 16 Cruise Control ECU
A 15 Airbag Squib (Steering Wheel Pad)
A 16 Air Inlet Control Servo Motor D 3 Data Lik Connector 2 (TDCL (Toyota Diagnostic
A 17 Air Vent Mode Control Servo Motor Communication Link))
A 18 Ashtray Illumination D 4 Daytime Running Light Relay (Main)
A 22 Airbag Squib (Front Passenger Airbag Assembly) D 5 Diode (for Cruise Control)
D 6 Diode (for Idle±Up)
B 3 Back Door Lock Control SW D 7 Diode (for Courtesy)
B 4 Blower Motor D 8 Door Lock Control Relay)
B 5 Blower Resistor D 24 Date Link Connector 3
B 6 Blower SW D 25 Diode (for Tension Reducer)
B 7 Buckle SW LH (w/ Power Seat)
B 8 Buckle SW LH (w/o Power Seat) E 6 Electronic Controlled Transmission Pattern Select SW
B 10 Buckle SW RH E 7 Engine Control Module (Engine and Electronic
Controlled Transmission ECU) (A/T)
C 3 Center Airbag Sensor Assembly E 8 Engine Control Module (Engine and Electronic
C 4 Cigarette Lighter Controlled Transmission ECU) (A/T)
C 5 Cigarette Lighter Illumination E 9 Engine Control Module (Engine and Electronic
C 6 ClockControlled Transmission ECU) (A/T)
C 7 Clutch Start SW (M/T) E 10 Engine Control Module (Engine and Electronic
C 8 Combination Meter Controlled Transmission ECU) (A/T)
C 9 Combination Meter E 11 Engine Control Module (Engine ECU) (M/T)
C 10 Combination Meter E 12 Engine Control Module (Engine ECU) (M/T)
C 11 Combination Meter E 14 Engine Control Module (Engine ECU) (M/T)

55
192 17711 4
11 8
Cruise Control Actuator
C2 C5 C10 C11 C13 D8C12 C3 C4 C6 C8 C9 C14 C16 D1 D3 D4 D6 D7
Center Airbag Sensor Assembly
Cigarette Lighter
Cigarette Lighter Illumination
Clock
Combination Meter
(Turn Signal Indicator Light)Combination Meter
(Cruise Control Indicator Light)
Combination Meter
Combination Meter
(Meter Illmination)
Combination Meter
(Open Door Warning Light)
Combination Meter
(Seat Belt Warning Light)
Combination Meter
(Charge Warning Light)
Combination Meter
(High Beam Indicator Light)
Combination Meter
(Rear Light Warning Light)
Combination Meter
Combination Meter
(SRS Warning Light)
Combination Meter
(A/T Indicator Light)
Combination SW (Horn SW)
Combination SW
(Turn Signal SW)
Combination SW
(Light Control SW)
Combination SW
Front Wiper and Washer SW)
Cooling Fan ECU (1MZ±FE)
Cruise Control ECU
Data Link Connector 1
(Check Connector)
Data Link Connector 2
(TDCL (Toyota Diagnostic
Communication Link))
Daytime Running Light Relay
(Main) (CANADA)
Diode (for Idle±Up)
Diode (for Courtesy) (W/G) Door Lock Control Relay
18912618968
72192236210
21476 130
134
138
140 126120
124
144
148236126
198
204104
11 2
144244 80
90
98
214 90
192
214106
23680
90
98130
134
138
140156
140 104
106
D9 C717080
90
98177 17311 4
11 8106
126
148184
186192 98
204134
140
Diode (for Courtesy) Combination Meter
(Malfunction Indicator Light) Combination Meter
(ABS Warning Light) Clutch Start SW (M/T)
(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

56
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.


D25 E9E8 130
134
138
140130
138160 80 220126
198
20480
Door Courtesy SW Front LH
Door Key Cylinder Light and SW
Engine Control Module (Engine
and Electronic Controlled
Transmission ECU) (A/T) (1MZ±FE)
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 ABSE7 E6 E5 E3 E2
D24 D23 D22 D21 D20 D19 D18
D17 D16 D15 D14 D13 D12130
138
140130
134
138
140130
134
138
140160 160 160 160 160 160198
220220 242 80
90
98
19880
Engine Control Module (Engine
and Electronic Controlled
Transmission ECU) (A/T) (5S±FE) Engine Control Module (Engine
and Electronic Controlled
Transmission ECU) Engine Controlled
Transmission Pattern
Select SW Engine Coolant Temp. Sensor
(Water Temp. Sensor) (for
Cooling Fan) (1MZ±FE) Electronic Controlled Transmission
Solenoid (5S±FE) Electronic Controlled Transmission
Solenoid Diode (for Tension Reducer) (C/P) Date Ling Connector 3 Door Lock Motor Rear RH
(EX. C/P) Door Lock Motor Rear LH
(EX. C/P) Door Courtesy SW Front RH
Door Courtesy SW Rear LH
Door Courtesy SW Rear RH
Door Key Lck and Unlock SW LH
(Ex. C/P)
Door Key Lck and Unlock SW RH
(Ex. C/P)
Door Lock Control SW RH
Door Lock Motor and Door Unlock
Detection SW Front LH
Door Lock Motor and Door Unlock
Detection SW Front RH
[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

82
ENGINE CONTROL (1MZ±FE)
A A
I18 I18 I18
ED 1 2
4 53 1
1 432 7VG±
B 21THA
B 22E2
B 7VTA
A 32IDL
C 14THG
B 20THW
D 20A/C
A 34E02
A 28E03 B±O
B±OL±B
BR
G±R
BR BR
BRR±B
L±B
B±Y
L±W
B±Y
W±B
W±BG±B BR G±Y BR1B 15KNKR
EE1 3EE11
WWBR
ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR) E4 EGR GAS
TE MP. SE NSOR
THROTTLE
POSITION
SENSOR T1
MASS AIR FLOW
(
AIR FLOW METER) M6
FROM
A/C AMPLIFIER
KNOCK SENSOR 1 K1
D 5ACT
LG±R
TO
A/C AMPLIFIER E1
1 2D
ENGINE CONTROL MODULE(
ENGINE A ND E LE CTRONIC
CONTROLLED TRANSMISSION ECU) E7 ,E8 ,E9 , E10BC
(
SHIELDED) (
SHIELDED)
I18
L±W
W±BBR
BR
D 26
OXSD 25
HTS IQ1 4IQ15
II1 9 II110 II18
B±O
BR P±BB
P±B B
4 2
31+B E
OX HT
H9
HEATED OXYGEN SENSOR
(
BANK1 SENSOR2)
L±B
I18
B±O
BR (
SHIELDED)
(
SHIELDED)
(
SHIELDED)
+B VG± THA
E2 B 18FC
B 1VC
2
VGB 8VG
BR
B±O
L±RR G±R
L
FROM COOLING
FA N ECU
A 33E01
W±B
B±OR±L R±L 4 2
31+B E
OX HT
H12
HEATED OXYGEN SENSOR
(
BANK2 SENSOR1)
4 2
31+B E
OX HT
H11
HEATED OXYGEN SENSOR
(
BANK1 SENSOR1)
I18 I18
C 10 B 19 B 13 C11B±OB
I18 I18
A 7 B 7 B 6 B 5 B 4 B 3 B 2 B 1B8 E14 E14 E13
E13 E13 E12
A 29 A 30 A 26 A 15 A 16 A 24 A 12A 1 A 2 A 3 A 4 A 5 A 6 A 8 2 1
2 1
2 1
2 1
2 1
2 1
IGNITION
COIL NO. 1 I16
IGNITION
COIL NO. 2 I17
IGNITION
COIL NO. 3 I18
IGNITION
COIL NO. 4 I19
IGNITION
COIL NO. 5 I20
IGNITION
COIL NO. 6 I21
+B COIL1 COIL2 COIL3 COIL4
COIL5COIL6
TA CHGND
IGF IGT1 IGT2 IGT3 IGT4 IGT5 IGT6 IGF IGT1 IGT2 IGT3 IGT4 IGT5 IGT6
C IGNITER I2 , I15B
W±R
W±G
Y±R
GR±B
L±B
R±B
G±RL±B
GR
WB±O B±O
B±O
B±O
B±O
B
W±B G
LG±B
PB±O
B±O
B±O B±O B±O B±O B±O B±O
(
SHIELDED) (
SHIELDED)
(
SHIELDED) W W
L±B
R±LL±B
R±L
V±R
W±B
B±OBR B±OBR B±O
B±O B±O
R±L
OXR HTR OXL HTLW±BB±O

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

236
COMBINATION METER
AB
IJ1 5IJ111 IJ118
BX1 3 BX1 2 BX1 1 IP3 2
IP3 6
IP1 8IP 3 11 IP314
IP3 5
IP3 161
ED1 A 4
A 8A7A6A 5A12 B 11 B7B10 C 8C7C 4
123
23
4
1 I9
I9 C C
6 FROM POWER SOURCE SYSTEM(
SEE PAGE 64)
R±L
R±L R±L R±L
BRY±L Y±R
BR BR BR Y±L Y±R Y±R
Y±L
BR
BR BR
B Y±G
BY±G
B
P
LG GG±B
G±B G±B
R±W
Y±B Y±BV±Y
R±L JUNCTION
CONNECTOR
BR
BR
FROM E NGINE CONTROL MODULE
(
E NGINE A ND E LE CTRONIC CONTROLLED
TRANSMISSION ECU)(
A/T)
FROM E NGINE CONTROL MODULE
(
ENGINE ECU)(
M/T)
FROM CRUISE CONTROL ECU
SPEEDFUEL
FUEL
WATER TEMP.
TA CHO
ABS
SEAT BELT
OIL
FUEL SENDER
WATER TEMP.
SENDER
IGNITER
VEHICLE SPEED
SENSOR
(
SPEED SENSOR)
TO AB S ECU
TO INTEGRATION
RELAY
OIL P RES SURE
SW
J2
B
W2
I2
V5
O1F1 5C
COMBINATION METER C8 ,C9 , C10
TO BACK±UP LIGHT SW(
M/T)
TO PARK/NEUTRAL POSITION SW
(
NEUTRAL START SW)(
A/T)
TO GENERA TOR(
ALTERNATOR) R±L
R±L
I18 6
TA C
COOLING FAN
ECU C14
BR
B
B JUNCTION CONNECTOR J7
(
*6) (
*6)
(
*7)A
A
(
*7)
(
*6)
1B 6 1D 610A
GAUGE
3D 13
3D 12
1D 121D 13
3C 133C 12

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

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