Get AIR CONDITIONING Guide for Toyota Avensis 4 Door First Generation (1997-2003)

AIR CONDITIONING

AIR CONDITIONING SYSTEM . . . . . . . . . . . .

AC–1

AC–2

AC–5

AC–8

DRIVE BELT . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MANIFOLD GAUGE SET . . . . . . . . . . . . . . . . .

REFRIGERANT LINE . . . . . . . . . . . . . . . . . . . . .

COMPRESSOR AND

MAGNETIC CLUTCH . . . . . . . . . . . . . . . . . . .

AC–11

AIR INLET SERVOMOTOR . . . . . . . . . . . . . . . AC–15

AIR MIX SERVOMOTOR . . . . . . . . . . . . . . . . . . AC–19

AIR OUTLET SERVOMOTOR . . . . . . . . . . . . . AC–23

AIR CONDITIONER

CONTROL ASSEMBLY . . . . . . . . . . . . . . . . . AC–27

AIR CONDITIONER AMPLIFIER . . . . . . . . . . . AC–30

REFER TO FOLLOWING REPAIR MANUALS:

ManualName

Pub. No.

RM599E

AVENSIS/CORONA Chassis and Body Repair Manual

Supplement(Aug.,1999)

RM698E

NOTE: The above pages contain only the points which differ

from the above listed manuals.

AC–1

AIR CONDITIONING

–

AIR CONDITIONING SYSTEM

AC39E–01

ON–VEHICLE INSPECTION

INSPECT IDLE–UP SPEED

(a) Warm up engine.

(b) Inspect idle–up speed when the these conditions are established.

S

Warm up engine

Blower speed control switch at ”HI” position

A/C switch ON

Temperature control dial at ”COOL” position

1ZZ–FE, 3ZZ–FE engine models (M/T):

Magnetic clutch not engaged: 650 ± 50 rpm

Magnetic clutch engaged: 800 ± 50 rpm

1ZZ–FE, 3ZZ–FE engine models (A/T):

Magnetic clutch not engaged: 700 ± 50 rpm

Magnetic clutch engaged: 800 ± 50 rpm

1AZ–FSE engine models (M/T):

Magnetic clutch not engaged: 675 ± 50 rpm

Magnetic clutch engaged: 800 ± 50 rpm

1AZ–FSE engine models (A/T):

Magnetic clutch not engaged: 675 ± 50 rpm

Magnetic clutch engaged: 750 ± 50 rpm

If idle speed is not as specified, check Idle control system.

AVENSIS/CORONA SUP (RM781E)

AC–2

AIR CONDITIONING

–

DRIVE BELT

AC2I6–02

ON–VEHICLE INSPECTION

INSPECT DRIVE BELT’S INSTALLATION CONDITION

Check that the drive belt fits properly in the ribbed grooves.

Correct

Wrong

CH0086

AVENSIS/CORONA SUP (RM781E)

AC–3

AIR CONDITIONING

–

DRIVE BELT

AC39F–01

REMOVAL

1.

1ZZ–FE, 3ZZ–FE Engines:

REMOVE DRIVE BELT

Loosen the drive belt tension by turning the drive belt tensioner

arm clockwise, and remove the drive belt.

B00145

2.

1AZ–FSE Engine:

REMOVE DRIVE BELT

Using the SST, loosen the drive belt tension by turning the drive

belt tensioner arm clockwise, and remove the drive belt.

SST 09249–63010

F13071

AVENSIS/CORONA SUP (RM781E)

AC–4

AIR CONDITIONING

–

DRIVE BELT

AC39G–01

INSTALLATION

1.

1ZZ–FE, 3ZZ–FE Engines:

INSTALL DRIVE BELT

Turning the drive belt tensioner arm clockwise, and install the

drive belt.

B00145

2.

1AZ–FSE Engine:

REMOVE DRIVE BELT

Using the SST, turning the drive belt tensioner arm clockwise,

and install the drive belt.

SST 09249–63010

F13071

3.

CHECK DRIVE BELT INSTALLING CONDITION

AVENSIS/CORONA SUP (RM781E)

AC–5

AIR CONDITIONING

–

MANIFOLD GAUGE SET

SET ON

AC2A7–03

1ZZ–FE, 3ZZ–FE, 1AZ–FSE Engines

LHD:

RHD:

B

: Low Pressure Charging Hose

: High Pressure Charging Hose

A

B

A

I18808

1.

CONNECT CHARGE HOSE TO MANIFOLD GAUGE

SET

Tighten the nuts by hand.

CAUTION:

Do not connect the wrong hoses.

2.

CONNECT QUICK DISCONNECT ADAPTERS TO

CHARGING HOSES

Tighten the nuts by hand.

3.

CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE

SET

4.

REMOVE CAPS FROM SERVICE VALVE ON REFRIG-

ERANT LINE

AVENSIS/CORONA SUP (RM781E)

AC–6

AIR CONDITIONING

–

MANIFOLD GAUGE SET

5.

CONNECT QUICK DISCONNECT ADAPTER TO SER-

VICE VALVES

HINT:

Push the quick disconnect adapter onto the service valve, slide,

then slide the sleeve of the quick disconnect adapter downward

to lock it.

Sleeve

N04392

AVENSIS/CORONA SUP (RM781E)

AC–7

AIR CONDITIONING

–

MANIFOLD GAUGE SET

AC2A8–02

SET OFF

1.

CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE

SET

2.

DISCONNECT QUICK DISCONNECT ADAPTERS

FROM SERVICE VALVES ON REFRIGERANT LINE

HINT:

Slide the sleeve of the quick disconnect adapter upward to un-

lock the adapter and remove it from the service valve.

N06553

3.

INSTALL CAPS TO SERVICE VALVES ON REFRIGER-

ANT LINE

AVENSIS/CORONA SUP (RM781E)

AC–8

AIR CONDITIONING

–

REFRIGERANTLINE

REFRIGERANT LINE

AC2IB–01

ON–VEHICLE INSPECTION

1.

2.

INSPECTION HOSE AND TUBE CONNECTIONS FOR LOOSENESS

INSPECT HOSES AND TUBES FOR LEAKAGE

Using a gas leak detector, check for leakage of refrigerant.

AVENSIS/CORONA SUP (RM781E)

AC–9

AIR CONDITIONING

–

REFRIGERANTLINE

AC2IC–02

LOCATION

1ZZ–FE, 3ZZ–FE, 1AZ–FSE Engines

LHD models:

Piping Clamp

Suction Hose

10(100, 7)

5.5 (55, 48 in.·lbf)

Liquid Tube

10(100, 7)

10 (100, 7)

Compressor

Discharge Hose

Condenser

Piping Clamp

Liquid Tube

RHD models:

Suction Hose

10 (100, 7)

10(100, 7)

Compressor

5.5 (55, 48 in.·lbf)

10 (100, 7)

Condenser

Discharge Hose

N·m (kgf·cm, ft·lbf) : Specified torque

I18809

AVENSIS/CORONA SUP (RM781E)

AC–10

AIR CONDITIONING

–

REFRIGERANTLINE

AC2ID–02

REPLACEMENT

1.

2.

DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

REPLACE FAULTY TUBE OR HOSE

NOTICE:

Cap the open fittings immediately to keep moisture or dirt out of the system.

3.

TORQUE CONNECTIONS TO SPECIFIED TORQUE

NOTICE:

Connections should not be torqued tighter than the specified torqued.

Parttightened

N·m

5.5

10

kgf·cm

55

ft·lbf

48in.·lbf

7

Condenser x Discharge tube

Condenser x Liquid tube

55

Compressor x Discharge tube

Compressor x Suction tube

100

10

7

4.

EVACUATE AIR IN REFRIGERATION SYSTEM AND CHARGE WITH REFRIGERANT

Specified amount: 460 ± 20 g (16.23 ± 0.71 oz.)

5.

INSPECT FOR LEAKAGE OF REFRIGERANT

Using a gas leak detector, check for leakage of refrigerant.

6. INSPECT AIR CONDITIONING OPERATION

AVENSIS/CORONA SUP (RM781E)

AC–11

AIR CONDITIONING

–

COMPRESSORAND MAGNETIC CLUTCH

COMPRESSOR AND MAGNETIC

CLUTCH

AC1GA–05

ON–VEHICLE INSPECTION

1.

INSPECT COMPRESSOR FOR METALLIC SOUND

Check there is abnormal metallic sound from the compressor

when the A/C switch is ON.

If abnormal metallic sound is heard, replace the compressoras-

sembly.

2.

INSPECT REFRIGERANT PRESSURE (See page

AC–1)

3.

INSPECT VISUALLY FOR LEAKAGE OF REFRIGER-

ANT

Using a gas leak detector, check for leakage of refrigerant.

If there is any leakage, replace the compressor assembly.

4.

INSPECT COMPRESSOR LOCK SENSOR RESIS-

TANCE

2

(a) Disconnect the connector.

(b) Measure resistance between terminals 1 and 2 .

Standard resistance:

1

165 – 205 Ω at 20 °C (68 °F)

If resistance is not as specified, replace the sensor.

5.

6.

7.

CHECK FOR LEAKAGE OF GREASE FROM CLUTCH

BEARING

CHECK FOR SIGNS OF OIL ON PRESSURE PLATE OR

ROTOR

I12997

INSPECT MAGNETIC CLUTCH BEARING FOR NOISE

(a) Start engine.

(b) Check for abnormal noise from the compressor when the

A/C switch is OFF.

If abnormal noise is being emitted, replace the magnetic clutch.

8.

INSPECT MAGNETIC CLUTCH OPERATION

3

(a) Disconnect the connector.

(b) Connect the positive (+) lead form the battery to terminal

3 and the negative (–) lead to the body ground.

(c) Check that the magnetic clutch energized.

If operation is not as specified, replace the magnetic clutch.

I12998

AVENSIS/CORONA SUP (RM781E)

AC–12

AIR CONDITIONING

–

COMPRESSORAND MAGNETIC CLUTCH

AC1GB–03

COMPONENTS

Suction Hose

1ZZ–FE, 3ZZ–FE Engines:

10(100, 7)

Compressor

Discharge Hose

z O–Ring

25 (250, 18)

Drive Belt

Engine Under Cover RH

x 5

10(100, 7)

1AZ–FSE Engine:

Suction Hose

Discharge Hose

z O–Ring

Compressor

25 (250, 18)

Drive Belt

25 (250, 18)

x 5

N·m (kgf·cm, ft·lbf) : Specified torque

Engine Under Cover RH

z Non–reusable part

I18811

AVENSIS/CORONA SUP (RM781E)

AC–13

AIR CONDITIONING

–

COMPRESSORAND MAGNETIC CLUTCH

AC2IP–02

REMOVAL

1.

RUN ENGINE AT IDLE SPEED WITH A/C ON FOR

APPROX. 10 MINUTES

2.

3.

STOP ENGINE

DISCONNECT NEGATIVE (–) TERMINAL CABLE

FROM BATTERY

4.

DISCHARGE REFRIGERANT FROM REFRIGERATION

SYSTEM

5.

6.

REMOVE ENGINE UNDER COVER RH

REMOVE DRIVE BELT (See page AC–3)

7.

DISCONNECT DISCHARGE AND SUCTION HOSES

Remove the 2 bolts and disconnect the both hoses.

NOTICE:

Cap the open fittings immediately to keep moisture or dirt

out of the system.

I12999

8.

1ZZ–FE, 3ZZ–FE Engines:

REMOVE COMPRESSOR

(a) Disconnect the connector.

(b) Disconnect the wire harness clamp.

(c) Remove the 3 bolts and compressor.

I13000

9.

1AZ–FSE Engine:

REMOVE COMPRESSOR

(a) Disconnect the connector.

(b) Disconnect the wire harness clamp.

(c) Remove the 4 bolts and compressor.

AVENSIS/CORONA SUP (RM781E)

AC–14

AIR CONDITIONING

–

COMPRESSORAND MAGNETIC CLUTCH

AC39H–01

INSTALLATION

1.

1ZZ–FE, 3ZZ–FE Engines:

INSTALL COMPRESSOR

(a) Install the compressor with 3 bolts.

Torque: 25 N·m (250 kgf·cm, 18 ft·lbf)

(b) Connect the connector.

I13000

2.

1AZ–FSE Engine:

INSTALL COMPRESSOR

(a) Install the compressor with 4 bolts.

Torque: 25 N·m (250 kgf·cm, 18 ft·lbf)

(b) Connect the connector.

3.

CONNECT DISCHARGE AND SUCTION HOSES

(a) Lubricate 2 new O–rings with compressor oil and install

them to the hoses.

(b) Connect the both hoses with 2 bolts.

Torque: 10 N·m (100 kgf·cm, 7 ft·lbf)

NOTICE:

Hose should be connected immediately after the caps have

been removed.

I12999

4.

5.

6.

INSTALL AND CHECK DRIVE BELT (See page

AC–2, AC–4)

CONNECT NEGATIVE (–) TERMINAL CABLE TO BAT-

TERY

EVACUATE AIR FROM REFRIGERATION SYSTEM

CHARGE SYSTEM WITH REFRIGERANT

Specified amount: 460 ± 20 g (16.23 ± 0.71 oz.)

INSPECT FOR LEAKAGE OF REFRIGERANT

7.

Using a gas leak detector, check for leakage of refrigerant.

If there is leakage, check the tightening torque at the joints.

8.

INSPECT A/C OPERATION

AVENSIS/CORONA SUP (RM781E)

AC–15

AIR CONDITIONING

–

AIR INLET SERVOMOTOR

AC39I–01

COMPONENTS

Blower Unit

Air Duct

Engine (and ECT) ECU

Cowl Side Trim

Lower Finish Panel

Front Door Scuff Plate

No. 2 Under Cover

Blower Unit Case

Air Inlet Servomotor

I18810

AVENSIS/CORONA SUP (RM781E)

AC–16

AIR CONDITIONING

–

AIR INLET SERVOMOTOR

AC39J–01

REMOVAL

1.

REMOVE FRONT DOOR SCUFF PLATE ON PAS-

SENGER SIDE

2.

3.

4.

5.

REMOVE COWL SIDE TRIM ON PASSENGER SIDE

REMOVE NO. 2 UNDER COVER

REMOVE LOWER FINISH PANEL (See page BO–8)

REMOVE ENGINE (and ECT) ECU

6.

RHD Models Only:

REMOVE THEFT DETERRENT ECU

(a) Disconnect the connector.

(b) Remove the 2 screws and ECU.

I03586

I03585

N04901

7.

REMOVE AIR DUCT

Remove the 2 screws and duct.

8.

REMOVE BLOWER UNIT

(a) Disconnect the connectors.

(b) Remove the bolt, screw and nut.

(c) Remove the blower unit.

9.

REMOVE AIR INLET SERVOMOTOR

Remove the 3 screws and air inlet servomotor.

AVENSIS/CORONA SUP (RM781E)

AC–17

AIR CONDITIONING

–

AIR INLET SERVOMOTOR

AC39K–01

”REC”

”FRS”

”REC”

”FRS”

INSPECTION

1.

LHD:

INSPECT AIR INLET SERVOMOTOR OPERATION

7

1

(a) Connect the positive (+) lead from the battery to terminal

7 and negative (–) lead to terminal 1 and check that arm

turns to ”REC” side smoothly.

If operation is not as specified, replace the servomotor.

I19376

I19377

I18814

I18815

(b) Connect the positive (+) lead from the battery to terminal

7 and the negative (–) lead to terminal 3 and check that

the arm turns to ”FRS” side smoothly.

7

3

If operation is not as specified, replace the servomotor.

2.

RHD:

INSPECT AIR INLET SERVOMOTOR OPERATION

7

1

(a) Connect the positive (+) lead from the battery to terminal

7 and negative (–) lead to terminal 1 and check that arm

turns to ”REC” side smoothly.

If operation is not as specified, replace the servomotor.

(b) Connect the positive (+) lead from the battery to terminal

7 and the negative (–) lead to terminal 3 and check that

the arm turns to ”FRS” side smoothly.

7

3

If operation is not as specified, replace the servomotor.

AVENSIS/CORONA SUP (RM781E)

AC–18

AIR CONDITIONING

–

AIR INLET SERVOMOTOR

AC39L–01

INSTALLATION

Installation is in the reverse order of removal (See page AC–16).

AVENSIS/CORONA SUP (RM781E)

AC–19

AIR CONDITIONING

–

AIR MIX SERVOMOTOR

AC39M–01

REMOVAL

1.

REMOVE BLOWER UNIT (See page AC–16)

2.

REMOVE AIR MIX SERVOMOTOR

(a) Disconnect the connector.

(b) Remove the 3 screws and air mix servomotor.

I19340

AVENSIS/CORONA SUP (RM781E)

AC–20

AIR CONDITIONING

–

AIR MIX SERVOMOTOR

AC39N–01

INSPECTION

1.

LHD:

7

6

INSPECT AIR MIX SERVOMOTOR OPERATION

(a) Connect the positive (+) lead from the battery to terminal

6 and the negative (–) lead to terminal 7 and check that

the arm turns to ”WARM” side smoothly.

”WARM”

”COOL”

If operation is not as specified, replace the servomotor.

I18817

(b) Connect the positive (+) lead from the battery to terminal

7 and negative (–) lead to terminal 6 and check that arm

turns to ”COOL” side smoothly.

7

6

If operation is not as specified, replace the servomotor.

I18816

2.

LHD:

INSPECT AIR MIX POSITION SENSOR RESISTANCE

Measure resistance between terminals at servomotor arm each

position as shown in the chart.

7 6

5

1

Testerconnection

Condition

Constant

Specifiedcondition

4.2 – 7.8 kΩ

3 – 1

5 – 1

Arm position at ”WARM”

Arm position at ”COOL”

0.84 – 1.56 kΩ

3.36 – 6.24 kΩ

”WARM”

”COOL”

If resistance is not as specified, replace the servomotor.

7 6

5

1

I19332

AVENSIS/CORONA SUP (RM781E)

AC–21

AIR CONDITIONING

–

AIR MIX SERVOMOTOR

3.

RHD:

INSPECT AIR MIX SERVOMOTOR OPERATION

7

6

(a) Connect the positive (+) lead from the battery to terminal

6 and the negative (–) lead to terminal 7 and check that

the arm turns to ”COOL” side smoothly.

If operation is not as specified, replace the servomotor.

”COOL”

”WARM”

I18817

(b) Connect the positive (+) lead from the battery to terminal

7 and negative (–) lead to terminal 6 and check that arm

turns to ”WARM” side smoothly.

7

6

If operation is not as specified, replace the servomotor.

I18816

4.

RHD:

INSPECT AIR MIX POSITION SENSOR RESISTANCE

Measure resistance between terminals at servomotor arm each

position as shown in the chart.

7 6

5

3

Testerconnection

Condition

Constant

Specifiedcondition

4.2 – 7.8 kΩ

3 – 1

5 – 3

Arm position at ”COOL”

Arm position at ”WARM”

3.36 – 6.24 kΩ

0.84 – 1.56 kΩ

”COOL”

”WARM”

If resistance is not as specified, replace the servomotor.

7 6

5

3

I19333

AVENSIS/CORONA SUP (RM781E)

AC–22

AIR CONDITIONING

–

AIR MIX SERVOMOTOR

AC39O–01

INSTALLATION

Installation is in the reverse order of removal (See page AC–19).

AVENSIS/CORONA SUP (RM781E)

AC–23

AIR CONDITIONING

–

AIR OUTLET SERVOMOTOR

AC39P–01

REMOVAL

REMOVE AIR OUTLET SERVOMOTOR

(a) Disconnect the connector.

(b) Remove the 3 screws and air outlet servomotor.

I19341

AVENSIS/CORONA SUP (RM781E)

AC–24

AIR CONDITIONING

–

AIR OUTLET SERVOMOTOR

AC39Q–01

”DEF”

INSPECTION

5

4

1.

LHD:

INSPECT AIR OUTLET SERVOMOTOR OPERATION

(a) Connect the positive (+) lead from the battery to terminal

4 and negative (–) lead to terminal 5 and check that arm

turns to ”DEF” side smoothly.

If operation is not as specified, replace the servomotor.

I19334

(b) Connect the positive (+) lead from the battery to terminal

5 and the negative (–) lead to terminal 4 and check that

the arm turns to ”FACE” side smoothly.

”FACE”

5

4

If operation is not as specified, replace the servomotor.

I19335

2.

LHD:

”DEF”

INSPECT AIR OUTLET POSITION SENSOR RESIS-

TANCE

5 4 3

2

Measure resistance between terminals at servomotor arm each

position as shown in the chart.

Testerconnection

Condition

Constant

Specifiedcondition

4.2 – 7.8 kΩ

2 – 1

3 – 2

Arm position at ”DEF”

Arm position at ”FACE”

3.49 – 6.47 kΩ

0.71 – 1.33 kΩ

If resistance is not as specified, replace the servomotor.

”FACE”

5 4 3

2

I19338

AVENSIS/CORONA SUP (RM781E)

AC–25

AIR CONDITIONING

–

AIR OUTLET SERVOMOTOR

3.

RHD:

INSPECT AIR OUTLET SERVOMOTOR OPERATION

”DEF”

5

4

(a) Connect the positive (+) lead from the battery to terminal

5 and negative (–) lead to terminal 4 and check that arm

turns to ”DEF” side smoothly.

If operation is not as specified, replace the servomotor.

I19336

(b) Connect the positive (+) lead from the battery to terminal

4 and the negative (–) lead to terminal 5 and check that

the arm turns to ”FACE” side smoothly.

”FACE”

5

4

If operation is not as specified, replace the servomotor.

I19337

4.

RHD:

INSPECT AIR OUTLET POSITION SENSOR RESIS-

TANCE

”FACE”

5 4 3 1

Measure resistance between terminals at servomotor arm each

position as shown in the chart.

Testerconnection

Condition

Constant

Specifiedcondition

4.2 – 7.8 kΩ

2 – 1

3 – 1

Arm position at ”DEF”

Arm position at ”FACE”

3.49 – 6.47 kΩ

0.71 – 1.33 kΩ

If resistance is not as specified, replace the servomotor.

5 4 3 1

”DEF”

I19339

AVENSIS/CORONA SUP (RM781E)

AC–26

AIR CONDITIONING

–

AIR OUTLET SERVOMOTOR

AC39R–01

INSTALLATION

Installation is in the reverse order of removal (See page AC–23).

AVENSIS/CORONA SUP (RM781E)

AC–27

AIR CONDITIONING

–

AIR CONDITIONER CONTROL ASSEMBLY

AC39S–01

COMPONENTS

Center Cluster Finish Panel

Bulb

A/C Control Assembly

I18087

AVENSIS/CORONA SUP (RM781E)

AC–28

AIR CONDITIONING

–

AIR CONDITIONER CONTROL ASSEMBLY

AC39T–01

REMOVAL

: 6 Clips

1.

REMOVE CENTER CLUSTER FINISH PANEL

(a) Using a screwdriver, remove the cluster finish panel.

H15310

(b) Remove the cluster finish panel shown in the illustration.

(c) Disconnect the connecters.

H16288

2.

REMOVE A/C CONTROL ASSEMBLY

Remove the 4 screws and A/C control panel assembly.

AVENSIS/CORONA SUP (RM781E)

AC–29

AIR CONDITIONING

–

AIR CONDITIONER CONTROL ASSEMBLY

AC39U–01

INSTALLATION

1.

INSTALL A/C CONTROL ASSEMBLY

Install the A/C control panel assembly to the cluster finish panel

with the 4 screws.

2.

INSTALL CENTER CLUSTER FINISH PANEL

: 6 Clips

(a) Connect the connectors.

(b) Install the cluster finish panel.

H15310

AVENSIS/CORONA SUP (RM781E)

AC–30

AIR CONDITIONING

–

AIR CONDITIONER AMPLIFIER

AC39V–01

ON–VEHICLE INSPECTION

1.

REMOVE A/C CONTROL ASSEMBRY (See page

AC–28)

2.

INSPECT A/C AMPLIFIER CIRCUIT

From back side:

A14

A15

I18812

Testerconnection

Condition

Specifiedcondition

IG ON. Ambient temp.: 25 °C (77 °F)

IG ON. Ambient temp.: 40 °C (104 °F)

IG ON. Room temp.: 25 °C (77 °F)

IG ON. Room temp.: 40 °C (104 °F)

IG ON. Solar sensor subject to electric light

IG ON. Solar sensor covered by cloth

IG ON. Evaporator temp.: 0 °C (32 °F)

IG ON. Evaporator temp.: 15 °C (59 °F)

Start engine. Compressor: Operate

IG ON

1.35 – 1.75 V

0.85 – 1.25 V

1.8 – 2.2 V

TAM ↔ TAM–SG (A14–18 ↔ A14–14)

TR ↔ TR–SG (A14–7 ↔ A14–3)

TS ↔ TS–S5 (A14–19 ↔ A14–3)

TE ↔ TE–SG (A14–8 ↔ A14–15)

0.85 – 1.25 V

1.0 V or more

Below 1.0 V

2.0 – 2.4 V

1.4 – 1.8 V

LOCK ↔ LOCK–SG (A15–9 ↔ A15–18)

TW ↔ GND (A15–7 ↔ A14–12)

4.5 – 5.5 V

Pulsegeneration

10 – 14 V

Start engine (idling). Magnetic clutch: ON

Start engine (idling). Magnetic clutch: OFF

IG ON. Mode selector: FACE

MGC ↔ GND (A15–4 ↔ A14–12)

Below 1.5 V

3.5 – 4.5 V

0.5 – 1.5 V

3.5 – 4.5 V

0.5 – 1.5 V

TPM ↔ TPM–SG (A14–20 ↔ A14–17)

TPM–S5 ↔ TPM–SG (A14–1 ↔ A14–17)

IG ON. Mode selector: DEF

IG ON. Set temp.: MAX. COOL

IG ON. Set temp.: MAX. HOT

TPM–SG ↔ Body ground (A14–17 ↔

Bodyground)

Always

1 Ω or less

IG ON. Mode selector: Except FACE

IG ON. Mode selector: FACE

Below 1.0 V

10 – 14 V

AOF ↔ GND (A15–1 ↔ A14–12)

IG ON. Mode selector: Except DEF

IG ON. Mode selector: DEF

Below 1.0 V

10 – 14 V

AOD ↔ GND (15–2 ↔ A14–12)

AVENSIS/CORONA SUP (RM781E)

AC–31

AIR CONDITIONING

–

AIR CONDITIONER AMPLIFIER

IG ON. Set temp.: Except MAX. COOL

IG ON. Set temp.: COOL

Below 1.0 V

10 – 14 V

Below 1.0 V

10 – 14 V

Below 1.0 V

10 – 14 V

0 V

AMC ↔ GND (A15–10 ↔ A14–12)

AMH ↔ GND (A15–11 ↔ A14–12)

HR ↔ GND (A14–4 ↔ A14–12)

ILL+ ↔ GND (A14–22 ↔ A14–12)

BLW ↔ GND (A14–5 ↔ A14–12)

IG ON. set temp.: Except MAX. HOT

IG ON. Set temp.: HOT

IG ON. Blower motor: Operate

IG ON. Blower motor: Not operate

Light control switch: TAIL

Light control switch: OFF

IG ON. Blower motor: Operate

IG ON. Blower motor: Not operate

Pulsegeneration

10 – 14 V

GND ↔ Body ground (A14–12 ↔ Body

ground)

Always

1 Ω or less

IG ON. Air inlet selector: RECIRCULATE

IG ON. Air inlet selector: FRESH

IG ON. Air inlet selector: RECIRCULATE

IG ON.

Below 0.7 V

10 – 14 V

Below 0.7 V

10 – 14 V

0 V

REC ↔ GND (A15–17 ↔ A14–12)

FRS ↔ GND (A15–16 ↔ A14–12)

IG ↔ GND (A14–11 ↔ A14–12)

IG OFF.

AVENSIS/CORONA SUP (RM781E)

AIR CONDITIONING for Your Toyota Avensis 4 Door First Generation (1997-2003)

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