oil light TOYOTA CAMRY 1994 XV10 / 4.G Wiring Diagrams User Guide

109
CURRENT FROM THE BATTERY IS ALWAYS FLOWING FROM THE FL MAIN " HEADLIGHT RELAY (COIL SIDE) " TERMINAL 5 OF THE
DAYTIME RUNNING LIGHT RELAY (MAIN) AND TERMINAL 14 OF THE DIMMER SW, HEADLIGHT RELAY (COIL SIDE) " TERMINAL 3 OF
THE INTEGRATION RELAY " TERMINAL 4 " TERMINAL 13 OF THE LIGHT CONTROL SW, FL MAIN " DAYTIME RUNNING LIGHT
RELAY NO. 2 (COIL SIDE) " TERMINAL 17 OF THE DAYTIME RUNNING LIGHT RELAY.
1. DAYTIME RUNNING LIGHT OPERATION
WHEN THE ENGINE IS STARTED, VOLTAGE GENERATED AT TERMINAL L OF THE GENERATOR (ALTERNATOR) IS APPLIED TO
TERMINAL 11 OF THE DAYTIME RUNNING LIGHT RELAY (MAIN).
IF THE PARKING BRAKE LEVER IS PULLED UP (PARKING BRAKE SW ON) AT THIS TIME, THE RELAY IS NOT ENERGIZED, SO THE
DAYTIME RUNNING LIGHT SYSTEM DOES NOT OPERATE. IF THE PARKING BRAKE LEVER IS RELEASED (PARKING BRAKE LEVER
SW OFF), THE SIGNAL IS INPUT TO TERMINAL 8 OF THE RELAY. THIS ACTIVATES THE RELAY ALSO, CURRENT FROM FL MAIN
FLOWES TO DAYTIME RUNNING LIGHT RELAY NO. 2 (POINT SIDE) " HEAD (UPR±LH) FUSE " TERMINAL 1 OF THE HEAD LH±HI "
TERMINAL 2 " TERMINAL 2 OF THE HEAD RH±HI " TERMINAL 1 " TERMINAL 4 OF THE DAYTIME RUNNING LIGHT RELAY NO. 3 "
TERMINAL 2 " TO GROUND, SO BOTH TAIL AND HEADLIGHT UP.
THIS IS HOW THE DAYTIME RUNNING LIGHT SYSTEM OPERATES. ONCE THE DAYTIME RUNNING LIGHT SYSTEM OPERATES AND
HEAD HAVE LIGHT UP, HEAD REMAIN ON EVEN IF THE PARKING BRAKE LEVER IS PULLED UP (PARKING BRAKE SW ON).
EVEN IF THE ENGINE STALLS WITH THE IGNITION SW ON AND THERE IS NO VOLTAGE FROM TERMINAL L OF THE GENERATOR
(ALTERNATOR), HEAD REMAIN ON. IF THE IGNITION SW IS THEN TURNED OFF, AND HEAD ARE TURNED OFF.
IF THE ENGINE IS STARTED WHILE THE PARKING BRAKE LEVER IS RELEASED (PARKING BRAKE SW OFF), THE DAYTIME RUNNING
LIGHT SYSTEM OPERATES AND TAIL, HEADLIGHT UP AS THE ENGINE STARTS.
2. HEADLIGHT OPERATION
*(WHEN THE LIGHT CONTROL SW AT THE HEAD POSITION)
WHEN THE LIGHT CONTROL SW IS SET TO HEAD POSITION, THE CURRENT FLOWING TO THE HEADLIGHT RELAY (COIL SIDE)
FLOWS TO TERMINAL 3 OF THE INTEGRATION RELAY " TERMINAL 4 " TERMINAL 13 OF THE LIGHT CONTROL SW " TERMINAL 11
" GROUND, TURNING THE HEADLIGHT RELAY ON.
THIS CAUSES THE CURRENT FLOWING TO THE HEADLIGHT RELAY (POINT SIDE) " DRL FUSE " DAYTIME RUNNING LIGHT RELAY
NO. 3 (COIL SIDE) AND DAYTIME RUNNING LIGHT RELAY NO. 4 (COIL SIDE) " GROUND, TURNING THE DAYTIME RUNNING LIGHT
RELAY NO. 3 AND NO. 4 ON. ALSO, CURRENT FROM THE HEADLIGHT RELAY (POINT SIDE) TO HEAD (LWR) FUSES " TERMINAL 1
OF THE HEADLIGHTS (LO) " TERMINAL 2 " GROUND, SO THE HEADLIGHTS (LO) LIGHT UP.
*(DIMMER SW AT FLASH POSITION)
WHEN THE DIMMER SW IS SET TO FLASH POSITION, CURRENT FLOWS FROM HEADLIGHT RELAY (COIL SIDE) " TERMINAL 14 OF
THE DIMMER SW " TERMINAL 9 " GROUND, TURNING THE HEADLIGHT RELAY ON. AT THE SAME TIME, SIGNALS ARE OUTPUT
FROM TERMINAL 12 AND TERMINAL 14 OF THE DIMMER SW TO TERMINAL 16 AND TERMINAL 5 OF THE DAYTIME RUNNING LIGHT
RELAY (MAIN), ACTIVATING THE DAYTIME RUNNING LIGHT RELAY (MAIN) AND ALSO THE DAYTIME RUNNING LIGHT RELAY NO. 2.
WHEN THE HEADLIGHT RELAY AND DAYTIME RUNNING LIGHT RELAY (MAIN) ARE ACTIVATED, THE HEADLIGHTS (LO AND HI) THEN
LIGHT UP.
*(DIMMER SW AT HIGH POSITION)
WHEN THE LIGHT CONTROL SW IS SET TO HEAD POSITION, A SIGNAL IS OUTPUT FROM TERMINAL 13 OF THE LIGHT CONTROL SW
" TERMINAL 4 OF THE INTEGRATION RELAY " TERMINAL 3 " TERMINAL 5 OF THE DAYTIME RUNNING LIGHT RELAY (MAIN).
WHEN THE DIMMER SW IS SET TO HIGH POSITION, A SIGNAL IS OUTPUT FROM TERMINAL 12 OF THE DIMMER SW TO TERMINAL 16
OF THE DAYTIME RUNNING LIGHT RELAY (MAIN). THESE SIGNALS ACTIVATE DAYTIME RUNNING LIGHT RELAY NO. 2, SO CURRENT
FLOWS FROM DAYTIME RUNNING LIGHT RELAY NO. 2 (POINT SIDE) " HEAD (UPR±LH) FUSE " TERMINAL 1 OF THE HEADLIGHT
LH±HI " TERMINAL 2 " DAYTIME RUNNING LIGHT RELAY NO. 4 (POINT SIDE) " GROUND, AND CURRENT ALSO SIMUTANEOUSLY
FLOWS FROM HEAD (UPR±RH) FUSE " DAYTIME RUNNING LIGHT RELAY NO. 3 (POINT SIDE) " TERMINAL 1 OF THE HEADLIGHT
RH±HI " TERMINAL 2 " DAYTIME RUNNING LIGHT RELAY NO. 4 (POINT SIDE), CAUSING THE HEADLIGHTS (HI SIDE) TO LIGHT UP.
D 4 DAYTIME RUNNING LIGHT RELAY (MAIN)
2±GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
15±GROUND : ALWAYS APPROX. 12 VOLTS
8±GROUND : CONTINUITY WITH THE PARKING BRAKE LEVER PULLED UP (PARKING BRAKE SW ON)
13±GROUND : ALWAYS CONTINUITY
SYSTEM OUTLINE
SERVICE HINTS

11 3
WITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 7 OF THE INTEGRATION RELAY THROUGH GAUGE FUSE.
VOLTAGE IS APPLIED AT ALL TIMES TO TERMINAL (A) 2 OF THE INTEGRATION RELAY THROUGH THE TAILLIGHT RELAY (COIL SIDE),
AND TO TERMINAL (A) 3 THROUGH THE HEADLIGHT RELAY (COIL SIDE).
1. NORMAL LIGHTING OPERATION
(TURN TAILLIGHT ON)
WITH LIGHT CONTROL SW TURNED TO TAILLIGHT POSITION, A SIGNAL IS INPUT INTO TERMINAL (A) 1 OF THE INTEGRATION
RELAY. ACCORDING TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 2 OF THE RELAY FLOWS FROM TERMINAL (A) 1 "
TERMINAL 2 OF THE LIGHT CONTROL SW " TERMINAL 11 " TO GROUND AND TAILLIGHT RELAY CAUSES TAILLIGHT TO TURN ON.
(TURN HEADLIGHT ON)
WITH LIGHT CONTROL SW TURNED TO HEADLIGHT POSITION, A SIGNAL IS INPUT INTO TERMINALS (A) 1 AND (A) 4 OF THE
INTEGRATION RELAY. ACCORDING TO THIS SIGNAL, THE CURRENT FLOWING TO TERMINAL (A) 3 OF THE RELAY FLOWS TO
TERMINAL (A) 4 " TERMINAL 13 OF THE LIGHT CONTROL SW " TERMINAL 11 " TO GROUND IN THE HEADLIGHT CIRCUIT, AND
CAUSES TAILLIGHT AND HEADLIGHT RELAY TO TURN THE LIGHT ON. THE TAILLIGHT CIRCUIT IS SAME AS ABOVE.
2. LIGHT AUTO TURN OFF OPERATION
WITH LIGHTS ON AND IGNITION SW TURNED OFF (INPUT SIGNAL GOES TO TERMINAL 7 OF THE RELAY), WHEN DOOR ON DRIVER'S
SIDE IS OPENED (INPUT SIGNAL GOES TO TERMINAL 6 OF THE RELAY), THE RELAY OPERATES AND THE CURRENT IS CUT OFF
WHICH FLOWS FROM TERMINAL (A) 2 OF THE RELAY TO TERMINAL (A) 1 IN TAILLIGHT CIRCUIT AND FROM TERMINAL (A) 3 TO
TERMINAL (A) 4 IN HEADLIGHT CIRCUIT. AS A RESULT, ALL LIGHTS ARE TURNED OFF AUTOMATICALLY.
I13 INTEGRATION RELAY
7±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
1±GROUND : ALWAYS APPROX. 12 VOLTS
(A)3±GROUND : APPROX. 12 VOLTS WITH LIGHT CONTROL SW AT OFF OR TAIL POSITION
(A)2±GROUND : APPROX. 12 VOLTS WITH LIGHT CONTROL SW AT OFF POSITION
6±GROUND : CONTINUITY WITH FRONT LH DOOR OPEN
(A)4±GROUND : CONTINUITY WITH LIGHT CONTROL SW AT HEAD POSITION
(A)1±GROUND : CONTINUITY WITH LIGHT CONTROL SW AT TAIL OR HEAD POSITION
10±GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1232F10A28 (1MZ±FE), 30 (5S±FE)F16C28 (1MZ±FE), 30 (5S±FE)
D1234 (S/D), 35 (C/P), 36 (W/G)F10B28 (1MZ±FE), 30 (5S±FE)I13A33
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B
1C20COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1E
20COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
1H20FLOOR NO. 1 WIRE J/B NO. 1 (INSTRUMENT PANEL LEFT)
1M20COWL WIRE AND J/B NO. 1 (INSTRUMENT PANEL LEFT)
2G22COWL WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2H22ENGINE WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EF138 (1MZ±FE)ENGINE WIRE AND COWL WIREEF140 (5S±FE)ENGINE WIRE AND COWL WIRE
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE42LEFT KICK PANEL
IG42INSTRUMENT PANEL BRACE LH
SYSTEM OUTLINE
SERVICE HINTS

120
STOP LIGHT (S/D, C/P)
A
DE LA Y
HOLD
BOBL BO 3 2
3 2 BZ19
Ba11
BZ17 Ba15
2
23 C
21786 C
11
2 2
554
11IJ 1 17
BZ13 BZ1 2
Ba1 4 G±W
G±R G±R G±RG±W
G±R
W±B
W±B W±B
W±B
W±BY±G
W±BY±G
W±B G±W
G±R G±R
G±R W±B
W±B
W±B W±B
W±B
W±B W±BR G±W
Y±G R±L R±LY
LIGHT FAILURE SENSORREA R LIGHT WARNING
INDICATOR LIGHT
[COMB. METER]JUNCTION
CONNECTOR
Y G±R
G±R
W±B
W±B
HIGH MOUNT
STOP LIGHTHIGH MOUNT
STOP LIGHT STOP LIGHT RH
[REAR COMB. LIGHT] STOP LIGHT LH
[REAR COMB. LIGHT] STOP LIGHT RH
[REAR COMB. LIGHT RH] STOP LIGHT LH
[REAR COMB. LIGHT LH]
J1
C9
H10H10 R11 R9 R10 R8
L2
R
(
W/O REAR SPOILER)
(
W/ REAR SPOILER) BZ14G±WG±W G±W
BZ18
RSTOP LIGHT
SW
G±R
G±W
1 2
S10B1 A 2
B 2B1 NOISE FILTER
(
FOR STOP L I GHT) N2 , N3A
G±W
G±W
B10 : S/D
B26 : C/P
B13 : S/D
B28 : C/P
B12 : S/D
B28 : C/P
B16 : S/D
B29 : C/P
B10 : S/D
B25 : C/P B16 : S/D
B29 : C/P
B9:S/D
B25 : C/PB17 : S/D
B29 : C/P
B14 : S/D
B28 : C/P
1B 6 1M 31H9GAUGE STOP
1M 6
1H 17
FROM POWER SOURCE SYSTEM(
SEE PAGE 64)
10A 15A

163
CURRENT ALWAYS FLOWS TO TERMINAL 8 OF THE DOOR LOCK CONTROL RELAY THROUGH THE POWER FUSE.
WHEN THE IGNITION SW IS TURNED ON, THE CURRENT FLOWING THROUGH THE GAUGE FUSE FLOWS THROUGH THE COIL SIDE
OF THE POWER MAIN RELAY TO GROUND, CAUSING THE RELAY TO OPERATE. THE CURRENT FLOWING THROUGH THE POWER
FUSE FLOWS TO THE LH DOOR LOCK CONTROL SW, CAUSING THE INDICATOR LIGHT TO LIGHT UP.
1. MANUAL LOCK OPERATION
WHEN THE DOOR LOCK CONTROL SW AND KEY SW ARE PUSHED TO LOCK POSITION, A LOCK SIGNAL IS INPUT TO TERMINAL 10,
12 OF THE DOOR LOCK CONTROL RELAY AND CAUSES THE RELAY TO FUNCTION. CURRENT FLOWS FROM TERMINAL 8 OF THE
RELAY " TERMINAL 4 " TERMINAL 4 OF THE DOOR LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 7 (C/P FRONT DOOR),
OF THE DOOR LOCK MOTOR TERMINAL 2 OF THE BACK DOOR LOCK MOTOR " TERMINAL 2 OF THE DOOR LOCK MOTORS, (EX.
C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT DOOR) OF THE DOOR LOCK MOTOR TERMINAL 1 OF THE BACK DOOR LOCK
MOTOR " TERMINAL 3 OF THE RELAY " TERMINAL 16 " TO GROUND AND THE DOOR LOCK MOTOR CAUSES THE DOOR TO
LOCK.
2. MANUAL UNLOCK OPERATION
WHEN THE DOOR LOCK CONTROL SW AND KEY SW RH TO UNLOCK POSITION, AN UNLOCK SIGNAL IS INPUT TO TERMINAL 11, 13
OF THE DOOR LOCK RELAY AND CAUSES THE RELAY TO FUNCTION. CURRENT FLOWS FROM TERMINAL 8 OF THE RELAY "
TERMINAL 3 " TERMINAL 2 OF THE DOOR LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT DOOR) OF THE
DOOR LOCK MOTOR TERMINAL 1 OF THE BACK DOOR LOCK MOTOR " TERMINAL 4 OF THE DOOR LOCK MOTORS, (EX. C/P
FRONT DOOR) OR TERMINAL 7 (C/P FRONT DOOR), OF THE DOOR LOCK MOTOR TERMINAL 2 OF THE BACK DOOR LOCK MOTOR "
TERMINAL 4 OF THE RELAY " TERMINAL 16 " TO GROUND AND DOOR LOCK MOTORS CAUSES DOOR TO UNLOCK.
3. DOUBLE OPERATION UNLOCK OPERATION
WHEN THE DOOR LOCK KEY SW (DRIVER'S) IS TURNED TO THE UNLOCK SIDE, ONLY THE DRIVER'S DOOR IS MECHANICALLY
UNLOCKED. TURNING THE DOOR LOCK KEY SW (DRIVER'S) TO THE UNLOCK SIDE CAUSES A SIGNAL TO BE INPUT TO TERMINAL 9
OF THE RELAY, AND IF THE SIGNAL IS INPUT AGAIN WITHIN 3 SECONDS BY TURNING THE SW TO THE UNLOCK SIDE AGAIN,
CURRENT FLOWS TERMINAL 3 " TERMINAL 2 OF DOOR LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT
DOOR) OF THE DOOR LOCK MOTOR TERMINAL 1 OF THE BACK DOOR LOCK MOTOR " TERMINAL 4 OF THE DOOR LOCK MOTORS,
(EX. C/P FRONT DOOR) OR TERMINAL 7 (C/P FRONT DOOR), OF THE DOOR LOCK MOTOR TERMINAL 2 OF THE BACK DOOR LOCK
MOTOR " TERMINAL 4 OF THE RELAY " TERMINAL 16 " GROUND, CAUSING THE DOOR LOCK MOTORS TO OPERATE AND
UNLOCK THE DOORS.
4. IGNITION KEY REMINDER OPERATION
*OPERATING DOOR LOCK KNOB (OPERATION OF DOOR LOCK MOTORS)
WITH IGNITION KEY IN CYLINDER (UNLOCK WARNING SW ON), WHEN THE DOOR IS OPENED AND LOCKED USING DOOR LOCK
KNOB (DOOR LOCK MOTOR), THE DOOR IS LOCKED ONCE BUT EACH DOOR IS UNLOCKED SOON BY THE FUNCTION OF RELAY.
AS A RESULT, THE CURRENT FLOWS FROM TERMINAL 8 OF THE RELAY " TERMINAL 3 " TERMINAL 2 OF THE DOOR LOCK
MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT DOOR) OF THE DOOR LOCK MOTOR TERMINAL 2 OF THE BACK
DOOR LOCK MOTOR " TERMINAL 4 OF THE DOOR LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 7 (C/P FRONT DOOR),
OF THE DOOR LOCK MOTOR TERMINAL 1 OF THE BACK DOOR LOCK MOTOR " TERMINAL 4 OF THE RELAY " TERMINAL 16 "
TO GROUND AND CAUSES ALL THE DOORS TO UNLOCK.
*OPERATING DOOR LOCK CONTROL SW OR DOOR LOCK KEY SW
WITH IGNITION KEY IN CYLINDER (UNLOCK WARNING SW ON), WHEN THE DOOR IS OPENED AND LOCKED USING DOOR LOCK
CONTROL SW OR KEY SW, THE DOOR IS LOCKED ONCE BUT EACH DOOR IS UNLOCK BY THE FUNCTION OF SW CONTAINED IN
MOTORS, WHICH THE SIGNAL IS INPUT TO TERMINAL 6 (DRIVER'S) OR 5 (PASSENGER'S) OF THE RELAY. ACCORDING TO THIS
INPUT SIGNAL, THE CURRENT IN ECU FLOWS FROM TERMINAL 8 OF THE RELAY " TERMINAL 3 " TERMINAL 2 OF THE DOOR
LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT DOOR) OF THE DOOR LOCK MOTOR TERMINAL 2 OF THE
BACK DOOR LOCK MOTOR " TERMINAL 4 OF THE DOOR LOCK MOTORS, TERMINAL 1 OF THE BACK DOOR LOCK MOTOR "
TERMINAL 4 OF THE RELAY " TERMINAL 16 " TO GROUND AND CAUSES ALL THE DOOR TO UNLOCK.
*IN CASE OF KEY LESS LOCK
WITH IGNITION KEY IN CYLINDER (UNLOCK WARNING SW ON), WHEN THE UNLOCK FUNCTION IS DISTURBED MORE THAN 0.2
SECONDS, FOR EXAMPLE PUSHING THE DOOR LOCK KNOB ETC., THE DOOR HOLDS ON LOCK CONDITION. CLOSING THE DOOR
AFTER, DOOR COURTESY SW INPUTS THE SIGNAL INTO TERMINAL 2 OR 14 OF THE RELAY. BY THIS INPUT SIGNAL, THE ECU
WORKS AND CURRENT FLOWS FROM TERMINAL 8 OF THE RELAY " TERMINAL 3 " TERMINAL 2 OF THE DOOR LOCK MOTORS,
(EX. C/P FRONT DOOR) OR TERMINAL 5 (C/P FRONT DOOR) OF THE DOOR LOCK MOTOR TERMINAL 1 OF THE BACK DOOR LOCK
MOTOR " TERMINAL 4 OF THE DOOR LOCK MOTORS, (EX. C/P FRONT DOOR) OR TERMINAL 7 (C/P FRONT DOOR), OF THE
DOOR LOCK MOTOR TERMINAL 2 OF THE BACK DOOR LOCK MOTOR " TERMINAL 4 OF THE RELAY " TERMINAL 16 " TO
GROUND AND CAUSES ALL THE DOORS TO UNLOCK.
SYSTEM OUTLINE

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

249
1. AIR INLET CONTROL SERVO MOTOR OPERATION (FOR PUSH SW TYPE)
(SWITCHING FROM FRESH TO RECIRC)
WITH THE IGNITION SW ON, CURRENT FROM THE GAUGE FUSE FLOWS TO TERMINAL 1 OF THE SERVO MOTOR. WHEN THE
RECIRC SW IS TURNED ON, THE CURRENT FLOWS FROM SERVO MOTOR " TERMINAL 3 " TERMINAL 5 OF THE HEATER
CONTROL SW " TERMINAL 1 " GROUND, THE MOTOR ROTATES AND THE DAMPER MOVES TO THE RECIRC SIDE. WHEN IT IS IN
THE RECIRC POSITION, THE CIRCUIT IS CUT INSIDE THE SERVO MOTOR AND THE DAMPER STOPS IN THAT POSITION.
WHEN THE CIRCUIT FOR THE INDICATOR LIGHT, CURRENT FLOWS FROM THE GAUGE FUSE " TERMINAL 12 OF THE HEATER
CONTROL SW " INDICATOR LIGHT " TERMINAL 1 " GROUND AND THE INDICATOR LIGHT CONTINUES TO LIGHT UP WHILE THE
RECIRC SW IS ON.
(SWITCHING FROM RECIRC TO FRESH)
WHEN THE IGNITION IS ON AND THE FRESH SW IS TURNED ON, CURRENT FLOWS FROM TERMINAL 2 OF THE SERVO MOTOR "
TERMINAL 6 OF THE HEATER CONTROL SW " TERMINAL 1 " GROUND, THE MOTOR ROTATES AND THE DAMPER MOVES TO THE
FRESH SIDE. WHEN THE DAMPER IS IN THE FRESH POSITION, THE CIRCUIT IS CUT INSIDE THE SERVO MOTOR AND THE DAMPER
STOPS IN THAT POSITION.
2. OPERATION OF AIR VENT MODE CONTROL SERVO MOTOR
WHEN THE IGNITION SW ON, CURRENT FLOWS FROM THE GAUGE FUSE TO TERMINAL 12 OF THE HEATER CONTROL SW,
TERMINAL 6 OF THE AIR VENT MODE CONTROL SERVO MOTOR.
WHEN THE DAMPER IS IN FACE POSITION AND THE BI±LEVEL OF THE HEATER CONTROL SW IS THEN TURNED ON, CURRENT
FLOWS FROM TERMINAL 3 OF THE HEATER CONTROL SW " TERMINAL 4 OF THE AIR VENT MODE CONTROL SERVO MOTOR SO
THAT A SINGAL THAT THE GROUND CIRCUIT IS ACTIVATED IS INPUT TO TERMINAL ªBº OF THE CONTROL CIRCUIT INSIDE THE AIR
VENT MODE CONTROL SERVO MOTOR.
SIMULTANEOUSLY, A SIGNAL THAT THE GROUND CIRCUIT IS NOT ACTIVATED IS INPUT TO TERMINAL ªAº OF THE CONTROL
CIRCUIT INSIDE THE SERVO MOTOR. THESE TWO SIGNALS ACTIVATE THE CONTROL CIRCUIT SO THAT CURRENT FROM THE
GAUGE FUSE TO THE SERVO MOTOR, CAUSING THE SERVO MOTOR TO OPERATE AND THE DAMPER TO MOVE TO BI±LEVEL
POSITION. WHEN THE DAMPER REACHES BI±LEVEL POSITION, A GROUND CUT SIGNAL IS INPUT TO TERMINAL ªBº OF THE
CONTROL CIRCUIT, THE CONTROL CIRCUIT OPERATES, THE SERVO MOTOR STOPS ROTATING AND THE DAMPER STOPS AT
BI±LEVEL.
WHEN ANOTHER MODE POSITION IS SWITCHED TO, INPUT OF SIGNALS TO TERMINAL ªAº AND TERMINAL ªBº OF THE CONTROL
CIRCUIT THAT GROUND IS MADE OR GROUND IS NOT MADE (AS EXPLAINED ABOVE) ACTIAVTES THE CONTROL CIRCUIT AND
MOVES THE SERVO MOTOR TO THE DESIRED POSITION.
3. AIR CONDITIONING OPERATION
WHEN THE IGNITION SW ON, CURRENT FLOWS FROM GAUGE FUSE TO TERMINAL 12 OF THE HEATER CONTROL SW, TERMINAL 6
OF THE AIR VENT MODE CONTROL SERVO MOTOR.
WHEN THE BLOWER SW IS ON, CURRENT FLOWS FROM THE GAUGE FUSE " HEATER RELAY (COIL SIDE) " TERMINAL 7 OF THE
BLOWER SW " TERMINAL 5 " GROUND, ACTIVATING THE HEATER RELAY. THIS CAUSES CURRENT TO FLOW FROM THE HEATER
FUSE TO THE HEATER RELAY (POINT SIDE) " A/C FUSE " TERMINAL 7 OF THE HEATER CONTROL SW (A/C SW). IF THE HEATER
CONTROL (A/C SW) IS THEN TURNED ON AT THIS TIME, A SIGNAL IS INPUT TO THE A/C AMPLIFIRE. THIS ACTIVATES THE A/C
AMPLIFIER AND A/C MAGNETIC CLUTCH RELAY SO THAT CURRENT FLOWS FROM THE GAUGE FUSE TO THE A/C MAGNETIC
CLUTCH RELAY (POINT SIDE) " A/C MAGNETIC CLUTCH, CAUSING THE COMPRESSOR TO OPERATE. THE VSV (FOR A/C IDLE±UP)
IS TURNED ON SIMULTANEOUSLY TO PREVENT A DECREASE IN ENGINE SPEED DUE TO A/C OPERATION.
HEATER RELAY
(4)5± (4)4 : CLOSED WITH THE IGNITION SW ON AND BLOWER SW ON
A/C MAGNETIC CLUTCH RELAY
(4)5± (4)3 : CLOSED WITH THE IGNITION SW ON AND BLOWER SW ON AND A/C SW ON
A 2 A/C DUAL PRESSURE SW
1±4 : OPEN WITH PRESSURE 2.1 KG/CM (30 PSI, 206 KPA) OR ABOVE 27 KG/CM (384 PSI, 2646 KPA)
B 5 BLOWER RESISTOR
6±2 : APPROX. 1.12 W
2±3 : APPROX. 0.5 W
3±1 : APPROX. 0.2 W
SYSTEM OUTLINE
SERVICE HINTS

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
2CAMRY
4ACC
IG1
ST1
IG2
ST2 AM1 2
7
9 10 AM2
21 4 5
2 1
E E
1C 113C 6 2G
2 1G 912C 6
1A 14
1E 11
2C 2F
3C 182C
3EF117 IP1
1EF116 IP1 1E 5
1A
1
B1M 1
1
L
A
B
B B
IG
S 10 IP38
31D 31D6 1G 8
1G 3
6
1A
3D 2 W
B±R B± O B±WB±Y W
W± R
B
B
B±W
B±R
B±RW± R
W WW
B±W
B±R B± R
W±B W±B
R
Y
B
L
W± R
W
B
YB±R
W±R
YB± WW
W± R
R± L W
R±L
WW± B
B±W
143212 4
IG
To Engine Cont rol Module
(
Engine and Electr onic
Contr olled Tr ans mis sion
ECU)
< 4±8>
To Engine Cont rol Module
(
Engine ECU)
< 5±4>
To Engine Cont rol Module
(
Engine and Electr onic
Contr olled Tr ans mis sion
ECU)
< 4±7>
To Engine Cont rol Module
(
Engine ECU)
< 5±4>
W
B±Y
W W±RB± W
Y I12
IGNITION SW10A
STARTER
40A
AM130A
AM2
FL MAI N
2. 0L
BATTERY
To Bulb Chec k Relay
C7
CLUTCH START SW(
M/T)
I3
IGNITION COIL
D2
DI STRI B UT OR
I2
IGNITER
C9
CHA RGE WA RNI NG LI GHT
[COMB. METER]7. 5A
IGN10A
GAUGE
To Day time Running
Light Relay(
Ma i n)
< 10±2> To Data Link Connec tor 1
(
Check Connec tor)
< 4±7> < 5±3>
To Ta cho me ter
B
1 A B BL ACKGENERATOR
(
ALTERNATOR) STARTER
B
(
Canada)
100A ALT
2IP3
B±O9
5 12
B
Instr ument panel
br ac e LHEC 2 1
Intake
ma n i f o l d
RH N1
NOI SE
FI LTER
W±B
W± R 5
6
Y
1
2
3
J1
JUNCTION
CONNECTORW± R
P
N61GB± WFrom Diode
(
f or Cruise Cont rol)
< 24±1>
123 BE (
M/T)
(
M/T)
(
A/T)(
A/T) 23C
B±W To Ci rcu i t
Opening Relay
<4±3><5±1>
B± R35 22H
7. 5A
ALT±S
EF 1 1 40A
MAIN
+B C±
IGF IGT IG± G2(
*1)
NE±(
*2) G±
G± G1
G+ NE
NE+ 5 1
1
B
P o w e r S o u r c e Starting and Ignition(
5S±FE)
Charging
P1
PARK/NEUTRAL
POSITION
SW(
NE UT RA L
START SW)
(
A/ T)
(
M/T) B
2
1
1B 1A
1C
1 A S 3 BLACKA (
1MZ± FE)
F1 0FUSE BOX
1
1 B (
5S±FE)
F1 0
C F16
S4
S3 A , S4 B
STARTER*1 : Califor nia
*2 : Ex. California
*3 : One Body Ass embly
Ex. California
G1 A , G2 B
GE NE RA TOR
(
AL TERNAT OR)
G1 G2 (
1MZ±FE)
(
5S±FE)
1243(
*1)
(
*2) FUSE BOXC F1 6 F1 0 A , B ,
B±W3B 20(
*3)

1
234
9CAMRY
1M 6 1G 3
1B 6
1H 17 EF1
4BZ1 1 2
3 2
3 22 1
2 1
BZ17 BZ19Ba 15
BO BL 39 71
2
55 22G±W
R
G±R
W± B G± R G±R
W± B W±B W±B ±STP
B
W B
G
LG
G±W G±WG± R G±R
G± W
R W±B
W±B W±B
W±BG± R G±RG± R W±B
W±B
W
W± B
W±B
To License
Pl at e Li gh t
< 16±3>
To Taillight
[REAR COMB.
LIGHT]< 16±3>
To ABS ECU<25±4><26±4>
To Cruis e Contr ol ECU< 24±2>
To Engine Contr ol Module
(
Engine and Elect ronic
Controlled Transmission ECU)
< 3±8> < 4±7>
To Shift Lock ECU< 23±2>
BATTERY
100A ALT
+TR ± TR +STP HS
(
w/ Rea r S poi l er)
(
w/o Rear Spoiler)
10A
GA UGE
S1 0
STOP LIGHT SW
FL MAIN
2. 0L8 42BZ1 3BZ1 17 IJ1 1 2
C315A
STOP2H 2
1M
91H
C 4ACC
IG1
ST 1 AM1 2
EF 11E 11G 9W
WW
Y Y±G Y± G Y± G
R±L
Y
B±Y
R±L 40A
AM1I12
IGNITION SW
WRN BC9
REAR LIGHT
WARNING LI GHT
[COMB. METER]J1
JUNCTION
CONNECTOR
4
Ba1BZ18
R
Back panel
centerUnd er t he l ef t
quarter pillarW± BE
11
Ba11
W± B
G± R
6
31A 2A
1B 2
G± WBNOISE FILTER
1 2
12 AB
G± W
11
1
IE EB BO2 1
5 1
5 1 4ED1
10 BZ1 11 BZ19IJ11A 1
1H 16 F
F
1C 8
1M 53D 6 2F 2
2 1
1C 113C 18
1M 1 1ED1
IG EA 756
3
23 58
211089 1
12
W± BG± R
G± W
G±B
G±YG±W G± Y G±B G±B G± B G± B
G± Y
G± Y G±Y G±Y G±B G±B W±B
W±B
W±B
W±B
W± B W± B W± B G± YW± B
W G±B
G± W
G± Y
G± B
TURN SI GNAL
FL ASHER10A
HAZ
OF F
ONB1 F B2 TL TB TR
F7
F RONT TURN S I GNA L
LIGHT LH
R8
REAR TURN SIGNAL
LIGHT LH
[ REAR COMB. LIGHT LH]
R1 0
REAR TURN SI GNAL
LI GHT RH
[REAR COMB. LIGHT RH]
F8
F RONT TURN S I GNA L
LIGHT RH
C8
TURN SIGNAL I NDICATOR
LIGHT [COMB. METER]
H7
HA ZA RD SW
LH RH B
BW± B
Instrument
panel
br ace
LH Bac k panel
c enter Left kic k
panelFront
r ight
f ender Front
left
f ender
LH
RH
1E 4
7. 5A
TURN
1A 2
L
B
G± YG±B
G±Y R8
STOP LIGHT RH
[ REAR COMB. LI GHT RH]
R9
S TOP LI GH T L H
[REAR COMB. LIGHT LH]
R10
STOP LIGHT RH
[ REAR COMB. LI GHT RH]R1 0
S TOP LI GH T L H
[REAR COMB. LIGHT LH]
H10
HIGH MOUNT STOP LIGHT
H10
HIGH MOUNT STOP LIGHT
J1
JUNCTION
CONNECTOR
L2
LIGHT FAILURE SENSOR
J1
JUNCTION
CONNE CTOR
C1 2
TURN SI GNAL
SW [ COMB. SW]
P ow er S o urc e Stop Light(
S/D, C/P)Turn Signal and
Hazard Warning Light(
S/D, C/P)
NOI S E FI LTE R
1B 1A
1CN2 A , N3 B11 FUSE BOX
B (
5S±FE)
F1 0 CF16 N2 N3
A (
1MZ±FE)
F10 FUSE BOX
(
1MZ±FE)
(
5S±FE)
B
F10 A ,B
F16 C,
FUSE BOXW
43
W
G± W
1L 14 15 1AG± W
9
3C

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>