2000 TOYOTA CAMRY Service Repair Manual

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Page 1449 of 4770

TOYOTA CAMRY 2000 Service Repair Manual AIR CONDITIONING (MANUAL A/C)
A/C EVAPORATOR
TEMP. SENSOR A13
EC II2 3 II2 1II36 II3 10IK2 9IK210
C 18(
*4)
B 9 B 10 A 10 A 21 A 13 A 15B D
A F 1
4
IK2 2
BF
A 13 9 7 1 4 8 5102 1
BB 12 214
F 4
A F A/

Page 1450 of 4770

TOYOTA CAMRY 2000 Service Repair Manual Current always flows from the HTR fuse to TERMINAL 1 of the HTR relay. When the ignition SW is turned on, the current
from the HEATER fuse flows to TERMINAL 6 of the air vent mode control servo motor,

Current always flows from the HTR fuse to TERMINAL 1 of the HTR relay. When the ignition SW is turned on, the current
from the HEATER fuse flows to TERMINAL 6 of the air vent mode control servo motor, to the MG CLT relay (Coil side) to
TERMINAL MGC of the A/C amplifier (1MZ±FE) or TERMINAL MGC of the engine control module (5S±FE), to TERMINAL 1
of the A/C dual pressure SW to TERMINAL 4 to TERMINAL +B of the A/C amplifier (1MZ±FE) or TERMINAL PRS of the
engine control module (5S±FE), current also to the HTR relay (Coil side) to TERMINAL 3 of the blower SW.
1. AIR VENT MODE CONTROL SERVO MOTOR OPERATION
When the damper is in FACE position and B/L mode on the heater control SW is selected, current flows from TERMINAL 7
of the heater control SW to TERMINAL 2 of the air vent mode control serve motor so that a signal that the ground circuit is
activated is input into TERMINAL B of the control circuit inside the air vent mode control servo motor. Simultaneously, a
signal that the ground circuit is not activated is input into TERMINAL A of the control circuit inside the servo motor. These two
signals activate the control circuit so that current flows from the HEATER fuse to the servo motor, causing the servo motor to
operate and the damper to move to B/L position. When the damper reaches B/L position. A ground cut signal is input into
TERMINAL B of the control circuit, the control circuit operates, the servo motor stops rotating and the damper stops at B/L.
When another mode position is selected, input of signals into TERMINAL A and TERMINAL B of the control circuit that
ground is made or not (as explained above) activates the control circuit and moves the serve motor to the desired position.
2. AIR CONDITIONING OPERATION
When the blower SW is on, current flows from the HEATER fuse to the HTR relay (Coil side) to TERMINAL 3 of the blower
SW to TERMINAL 1 to GROUND, activating the HTR relay. This causes current to flow from the HTR fuse to the HTR relay
(Point side) to A/C fuse to TERMINAL 2 of the A/C SW. If the A/C SW is turned on at this time, a signal is input into the A/C
amplifier (1MZ±FE) or engine control module (5S±FE). This activates the A/C amplifier (1MZ±FE) or engine control module
(5S±FE) and MG CLT relay so that current flows from the HEATER fuse to the MG CLT relay (Point side) to A/C magnetic
clutch. Causing The compressor to operate.
When blower SW is on and heater control SW is at DEF position, it causes A/C to run whether A/C SW is on or not.
HTR RELAY [R/B NO.1]
1±2 : Closed with the ignition SW on and the blower SW on
MG CLT RELAY [R/B NO.1]
5±3 : Closed with the ignition SW on, the blower SW on and the A/C SW on or the heater control SW at DEF position
A3 A/C DUAL PRESSURE SW
1±4 : Open with pressure 2.0 kgf/cm
2 (29 psi, 196 kpa) or above 32 kgf/cm2 (464 psi, 3138 kpa)
B4
BLOWER RESISTOR
6±1 : Approx. 0.62 W
1±3 : Approx. 1.46 W
2±6 : Approx. 0.38 W
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A226 (1MZ±FE)B430J831A228 (5S±FE)B530J1131
A326 (1MZ±FE)D326 (1MZ±FE)J1231A328 (5S±FE)E7A30J2331
A1230E8B30J27A31
A1330E9C30J28B31
A1430F826 (1MZ±FE)J2931
A2030F828 (5S±FE)J3231
B330H930
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
124Engine Room R/B No.1 (Engine Compartment Left)
SYSTEM OUTLINE
SERVICE HINTS

Page 1451 of 4770

TOYOTA CAMRY 2000 Service Repair Manual AIR CONDITIONING (MANUAL A/C)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1R20Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1W

Page 1452 of 4770

TOYOTA CAMRY 2000 Service Repair Manual
10

19 20 21
XXX
13XX
X X
X
25 X X
X
X
X
27

911
910X
X

XX9
112 3
45678

X10
13
1521
1

Page 1453 of 4770

TOYOTA CAMRY 2000 Service Repair Manual I GROUND POINT
FRONT TURN SIGNAL
LIGHT AND PARKING
LIGHT LH
FRONT TURN SIGNAL
LIGHT AND PARKING
LIGHT RH
ENGINE HOOD
COURTESY SW
RADIATOR FAN
MOTOR
WASHER LEVEL
WARNING SW
WATER TEMP. SW
NO. 1
FAN

Page 1454 of 4770

TOYOTA CAMRY 2000 Service Repair Manual HEATED OXYGEN
SENSOR
(
BANK 1 SENSOR 2)
HEATED OXYGEN
SENSOR
(
BANK 1 SENSOR 1)
HEATED OXYGEN
SENSOR
(
BANK 2 SENSOR 1)
COMBINATION
METER
NOISE FILTER
(
IGNITION)
IGNITER DATA LINK
CONNECTOR 1DATA LI

Page 1455 of 4770

TOYOTA CAMRY 2000 Service Repair Manual I GROUND POINT
CRUISE CONTROL
ECU
TRACTI ON OFF SW
DATA LINK
CONNECTOR 3
POWER RELAY
INTEGRA TION RELAY
NOISE FILTER POWER WINDOW
MASTER SW AND
DOOR LOCK
CONTROL SW LHCRUISE CONTROL
ACTUATOR
CRUISE C

Page 1456 of 4770

TOYOTA CAMRY 2000 Service Repair Manual REMOTE CONTROL
MIRROR SW
O/D MAIN SW
SHIFT LOCK ECU
COMBINATION
METER
CLOCK
GLOVE BOX LIGHT
AND SW
RHEOSTATWIRELESS DOOR LOCK
ECU
THEFT DETERRENT
ECU
DOOR KEY LOCK AND
UNLOCK SW FRONT RH
DOOR LOCK MOT

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